Fitech Single Plane Vs Dual Plane Dyno Results

answered Nov 30, 2019 by glenfer (5. Tested on the ProMaxx-headed 347 stroker, the intake teste once again illustrated the single/dual-plane conundrum. Dual Plane Intake Manifolds. Pages: 144 Size: 8. I believe it is more complex than saying that intake X is the best or that dual planes are superior to single planes below some RPM. Ram Air Restorations Drop Base – Uses Airaid cone. The single plane intake does hurt bottom end some. I thought about pulling the motor for my '65 but the 2-barrel only has 10 more hp than my 352. Pulls will be. In both cases, the FiTech delivered less fuel than the carburetor, which is one of the advantages of EFI. Since I retained the. Distribution wasn't a terrible on either, but the single plane is a little more even. So in a nut shell I am happy with the XT intake vs a single plane. My engine builder kept pushing me to a single plane, but I wasn't sold until my research came across the issues with dual planes and efi and I saw the testing results on Engine Masters as well. XT manifold without a doubt picked up a lot of low end. The single plane used is considered to be "too big" for the. This combo isn't held back by rules, so a solid roller, single plane set-up can really make some power. Engine-302/331 Stroker from Ford Racing Eight Stack adds 29 H. We did, then we tested it, and the results are right here for your perusal. Edelbrock Performer RPM 4V dual plane 12. Sniper Single Plane or Sniper Tunnel Ram: Intake Gasket: Mr. I have run both the RPM Air-gap dual plane, and the Victor single plane on my 410. When I do I'm going to put a decent dual plane on it to lower the throttle body back so I can use the stock air filter housing. 8V6 Commodore at the lights, with 3. 9 CID heads-canted valve/stock ports and valves valve sizes-2. Impersonation of others, including a FiTech Fuel Injection or other. Edelbrock F427 4V dual plane 10. Fuel Recommendation: 91 Octane. ” The runners on dual plane manifolds tend to have a smaller cross sectional area which produces a higher air stream velocity. 2bbl Vs 4bbl Dyno 7:1 compression ration to run on regular gas, but was still rated at 290hp. this is what I have done so far. The 460 and Cadillac have some similarities in design. 425 horses is from a LT4 hot cam and not the stock 335 horsepower cam. The single plane used is considered to be "too big" for the. Intake manifolds should be closely matched with your cam and valvetrain to build peak horsepower. Randy at Driven installs the Fitech and has no issues on either dual or single plane intakes. 79 @ 123 with the Victor (doing an apples to apples comparison, both on pump gas). 7 dual quad dual plane for the Gen 3 6. Why do we run different size tubes? Why have a dual plane intake instead of a single plane? Why have variable intake geometry? With research and study you will see that the effects of different mufflers and headers and diameters etc you can gain HP. A single plane intake will flow more air than a dual plane intake for the same engine! Does that make it better? In about 90% of the cases, that’s a big no good, buddy! In fact, in 90% of the cases, a dual plane intake will outperform a single plane. The single plane intake does hurt bottom end some. Dual plane intakes can potentially cause hard start Issues ". With our selection of intake manifolds, you can match your engine setup with the perfect single plane or dual plane manifold, single or double carburetor intake manifold, tunnel ram, hi-rise intake manifold and more!. 2bbl Vs 4bbl Dyno 7:1 compression ration to run on regular gas, but was still rated at 290hp. There are some dual-plane manifolds that can create problems with specific fuel induction systems. answered Nov 30, 2019 by glenfer (5. the four hole will increase low end torque due to (velosity) there are diffrent style 4 holes that do alot of diffrent RPM ranges and curves i prefer on a dualplane a 4 hole modified style. Once wound up, the dual-plane equipped 350 netted 418 hp (at 5,900 rpm) and 406 lb-ft (at 4,300 rpm). Warren, MI 48091. You may have to register. Edelbrock Performer RPM 4V dual plane 12. The single plane intake does hurt bottom end some. single plane for blow through I have run both dual plane and single plane intakes on a Carb/turbocharged 500 cid Cadillac. I recently switched to a single plane on my '79 and the difference is amazing, no more lean stumbles and extremely smooth throughout the whole band. I have used both single plane & dual plane. So I got the XT just for low end. The single plane used is considered to be "too big" for the. 375" Bore, 3. Note: On dual plane intakes, there will always be 2 ports that flow considerably less than the others. 5:1 induction flow-780 CFM intake manifold-dual plane exhaust system-small tube headers open exhaust camshaft-solid lifters, 228 duration @. We did, then we tested it, and the results are right here for your perusal. I also had a single plane intake vs the air gap with the carb. The engine was otherwise stock. Dyno: DynaPack 4022 Dynamometer. intake, the peak horsepower output jumped to 441 horsepower at (a slightly higher) 6,500 rpm, but peak torque dropped to 405 lb-ft at (again, higher) 5,000 rpm. a good single plane can beat a good dual plane from 2500 RPM on up. My CJ 5 has a Comp Cams 252H cam, the Offy 360 manifold, Holly 450 cfm 4150 carb, and Headman headers. Record Setting Street and Race Ford Cleveland and Windsor Engines, 347 with 525 horsepower,363 with 600 horsepower,393 with 500 and 550 horsepower, 408 with 600 horsepower,434 with 650,700,750,800 and 850 horsepower. Yes, you will be leaving peak hp on the table, but what does that mean? Guys dyno their engines and see a peak hp number at, say, 6500 or 7000 rpm and try to make that number go higher by switching out parts or whatever. In my experience, the variation among examples within an intake types can be greater than the variation between single and dual plane. Second a $130 air gap dual plane. To help our customer's shop hassle-free, we have categorized our products. The single-plane intake from Mast Motorsports performed flawlessly as we have come to expect from their products. Was soggy down low and with normal driving. Engine Masters on youtube even ran into this problem with their Intake Shootout on the Dyno. You may have to register before you can post: click the register link above to proceed. I saw a test on a MOPAR where it was the same engine and the results flew in the face of the same sort of test done with a SBC - where the dual-quad intake actually did a little bit better (meaning about 3 HP and about 5 higher on torque) vs. Find Wilson Manifolds Tapered Carburetor Spacers 004110 and get Free Shipping on Orders Over $99 at Summit Racing! Wilson Manifolds tapered carburetor spacers feature a computer-generated, variable-radius taper design that maximizes airflow through the carburetor and enhances air/fuel distribution for more horsepower. Now back together. a good single plane can beat a good dual plane from 2500 RPM on up. The torque peak was 408. AFR CHEVY SBC ELIMINATOR HEADS 210cc 65cc FULLY BUILT 1054HR for sale in Kingsport, TN, Price: $1,859. Also Includes: Valve covers, oil pan and timing cover; Dyno test results shipped with engine; Warranty: 12 Month Replacement Guarantee *The BluePrint Engines replacement guarantee for all engine part numbers that begin with the letter E is as follows: If during the first 12 months after installation your engine fails for any reason, you can return that engine to BluePrint Engines and we will. Shop Stock Car Intake Manifold parts and get Free Shipping on orders over $99 at Speedway Motors, the Racing and Rodding Specialists. Tested on the ProMaxx-headed 347 stroker, the intake teste once again illustrated the single/dual-plane conundrum. The only change I made between the 2 dyno graphs was I added 75% nozzles to my 175s. RPM air-Gap intake on our 5. The single-plane intake from Mast Motorsports performed flawlessly as we have come to expect from their products. I'm going with an Edelbrock Torker II single plane with a FiTech system. From the 5th Gen Camaro and C6 Corvette to the Pontiac G8 and Chevrolet SS, our full line of performance valve train components deliver the performance and reliability the belongs in your LS3 powered mac. Between-group comparisons indicated greater dual-task transverse plane center-of-mass (COM) range of motion (ROM) (13. It has been good, but never really been perfect. Test 1: Holley Single- vs Dual-Plane Intake on an LS3 Test 2: Fast LSXR vs Mast Carbureted Single-Plane Test 3: Stock LS7 vs MSD Atomic for LS7, Modified LS7 Test 4: Stock LS3 vs Speedmaster IR on a Modified LS3 Test 5: Stock LS3 vs Speedmaster Fabricated Intake on a Mild LS3 Test 6: FAST Adjustable LSXR Intake on a Mild LS3 Test 7: Stock vs. Stock Car Intake Manifold parts in-stock with same-day shipping. My engine builder kept pushing me to a single plane, but I wasn't sold until my research came across the issues with dual planes and efi and I saw the testing results on Engine Masters as well. Every once in a while I feel a slight. Harassment in any manner or form on the site, including via e-mail, chat, or by use of obscene or abusive language, is strictly forbidden. 75mm high on the Weiand versus 48. Pages: 144 Size: 8. I believe it is more complex than saying that intake X is the best or that dual planes are superior to single planes below some RPM. 150 Camshaft: 301° Hydraulic, 248° duration @. Make plans to visit us and watch your engine run on the dyno! 500" STREET WEDGE-400 BLOCK WITH INDY DUAL PLANE INTAKE WITH -1 PORTS : HOLLEY 850 CFM DOUBLE PUMPER. Watch the video below to see the dyno results for yourself. 2bbl Vs 4bbl Dyno 7:1 compression ration to run on regular gas, but was still rated at 290hp. The Fusion is a high rise single plane for a Dominator carb that is split in the middle for porting. Edelbrock 2171 Ford Performer 351M 400 Aluminum Dual Plane Intake. Holley tech recomends single plane intake manifold with carburator replacement Efi, like their sniper or terminator. I realize the dual is supposed to promote low end power and the single promotes high end power, but all I am concerned with is 1/4 mile times, not dyno results. My engine builder kept pushing me to a single plane, but I wasn't sold until my research came across the issues with dual planes and efi and I saw the testing results on Engine Masters as well. XT manifold without a doubt picked up a lot of low end. How come I have not seen any recomendations from other brands who are selling similar systems? Is this only holley related thing? " When using a Holley EFI system, a single plane intake is preferred. It depends on the individual combination. But on a street engine, how much time do you spend above 4500 rpm? To each his own. Boss Nine engines are fitted with a single-plane intake manifold for a 4150 or 4500 style carburetor. 6 rockers, it will bring the hp numbers up to approx. While the Sidewinder is a dual plane and the Victor is a single plane. Customers also have the option of a hydraulic or solid roller camshaft. My engine builder kept pushing me to a single plane, but I wasn't sold until my research came across the issues with dual planes and efi and I saw the testing results on Engine Masters as well. Tested on the ProMaxx-headed 347 stroker, the intake teste once again illustrated the single/dual-plane conundrum. Fully Ported Kaase Victor 4150 Intake Manifold. Dyno Results: Chevrolet 421 Small-Block: DTS Engine Dyno Tested At Dr. Dual Pattern Turbo LS Camshafts; Race Day LS LLR Camshaft (249/257-108+4) for LS "Single Plane" Cathedral Port. The dual-plane test produced less of a change than the single-plane. Other aftermarket factory height intake. They go hard and look tough. 3k points) atc; 0 votes. Given the fact that the dual plane with FiTech gained 17 lb. In my experience, the variation among examples within an intake types can be greater than the variation between single and dual plane. ON a single carb deal, this typically will trade 10 or so ft lbs for 10 HP farther up in the rpm range. new pistons, gasket set, recon rods, degrease block, bore block, new rings, new bearings, new cam, new lifters, mill heads, valve job, new valve springs, rebuilt oil pump, new rocker shafts, new timing gear set, and a balance job. Pages: 144 Size: 8. Dual plane intakes can potentially cause hard start Issues ". 002'' bore X 3'' stroke-301. Randy at Driven installs the Fitech and has no issues on either dual or single plane intakes. They recommended running a spacer on a dual plane or single plane manifold because they experienced some issues as well. It got me wondering if the Terminator EFI system, being a below blade throttle body. It's not snake oil when flow technology and dyno results show that the end result is a positive. Torque production with the dual-plane exceeded 400 lb-ft from 3,800 rpm to 5,100 rpm, making for a broad, usable torque curve. Laugh oh no not me. First Is a marine GMPP intake I already have. Valve Cover Gasket: Stock BBC Fel-Pro 1635: Exhaust Gasket: Std BBC (match to header size) 4. New cam (nothing crazy, basically a tow cam for down low grunt) and lifters, new dual plane intake manifold (for more low end compared to the single plane I was running) and rebuilt/freshened up the trans. Intake manifolds should be closely matched with your cam and valvetrain to build peak horsepower. Regarding which system is better, the FiTech is relatively new with no durability results from something that hasn't been around for two years; the Holley being newer has the same issue. This car was totaled 2 years ago when a tractor trailer pulled out in front of us and stopped. Judged solely by peak numbers, the single-plane Victor Jr. The single plane intake does hurt bottom end some. If you don't want to block that cutout, use an open-center spacer. I'm getting ready to pull my motor and trans over the winter. 700" (rather than current. Ive built up a 355 for my 70 Nova and have a torker 2 intake, ive been reading posts on varius manifolds and the torker seems like a pretty mild single plane, as opposed to the victor junior and others. Otherwise get an RPM Air gap from edelbrock and put a nice 660 or 700 cfm carb, then get the 4. Is the Offy 360 actually a single plane manifold? The only one I'm familiar with is the dual port version which does work well for low end torque. 8V6 Commodore at the lights, with 3. 79 @ 123 with the Victor (doing an apples to apples comparison, both on pump gas). I now have 1" open carburetor spacers, so the left/right side of intake is now "mixed between right/left" just under the carburetor. 375"), Bowl Port & Gasket Match Heads, Milodon Oil Pan, Eagle H-Beam Rods(6. Unfortunately for the single-plane, the mild 351W combination was much better suited to the dual-plane intake. the engine will respond to the different manifolds in the same way, whether carbureted or TBI. Ok the open spacer on a dual plane will help the top end torque due to making a (bigger plenum) on a dualplane. " But it's our job to ask why. That would put it above 400 foot pounds from 3000 to 5500 rpm. I have run both the RPM Air-gap dual plane, and the Victor single plane on my 410. My engine builder kept pushing me to a single plane, but I wasn't sold until my research came across the issues with dual planes and efi and I saw the testing results on Engine Masters as well. Conventional thinking is the dual plane should produce more torque , this is shown to not apply with this combo. I saw a test on a MOPAR where it was the same engine and the results flew in the face of the same sort of test done with a SBC - where the dual-quad intake actually did a little bit better (meaning about 3 HP and about 5 higher on torque) vs. 7 GM Tbi w Single Air Cleaner Stud Price: $88. Yes, you will be leaving peak hp on the table, but what does that mean? Guys dyno their engines and see a peak hp number at, say, 6500 or 7000 rpm and try to make that number go higher by switching out parts or whatever. In dyno testing, Super Victor #29275 EFI outperformed the competition out-of-the-box with just a port match and minor blending of critical surfaces. While the Sidewinder is a dual plane and the Victor is a single plane. Holley tech recomends single plane intake manifold with carburator replacement Efi, like their sniper or terminator. 990 Pins), Indy Cast. It is VERY combo dependent. Distribution wasn't a terrible on either, but the single plane is a little more even. 23 intake/1. In head to head comparisons I have seen comparing dual and single plane intake manifolds, the single plane starts making more power once the rpm hits around 4500 rpm. A single plane manifold requires measurably richer jetting than a dual plane. I know the Edelbrock will be better than the M1 in lower RPMs, but I was hoping someone had some experience. Guys in NMRA have been doing it for years with very strict rules (under. Another single-plane intake issue is that with a common plenum, adjacent cylinders in the firing order can rob some of the air/fuel charge. A dual-plane intake such as the Edelbrock Performer RPM Air-Gap would inject 20-25 more foot pounds to the primary driving range and still deliver the same power upstairs. 79 @ 123 with the Victor (doing an apples to apples comparison, both on pump gas). Yes, this is the intake those of you that race in a conventional head class have been looking for. Tested on the ProMaxx-headed 347 stroker, the intake teste once again illustrated the single/dual-plane conundrum. Dual plane intakes can potentially cause hard start Issues ". Peak torque is usually between 2500-2700 rpms so I missed the mark. Gonna see if swapping a dual plane intake out for a single plane intake actually does anything at all positive for FiTech TB EFI. of torque! This test involved the comparison between the Eight Stack fuel injection and a single-plane Funnel Web intake manifold topped off with a Barry Grant 750 Mighty Demon carburetor. Engine Masters on youtube even ran into this problem with their Intake Shootout on the Dyno. My setup: Corvette 1972 SBC with stock buttom engine and Fast Efi V1. Hi all - a while back I promised that Id do a genuine comparison between the Modman intake with dual quad top plate and the Edekbrock 5. Given the fact that the dual plane with FiTech gained 17 lb. It depends on the individual combination. Some years ago, we did a dyno test of a small block Mopar 408" (see our dyno test #19. It's not snake oil when flow technology and dyno results show that the end result is a positive. Motor Trend's Dyno Results Motor Trend’s first test resulted in 558 hp and 515 lb-ft of torque at the wheels, which means the engine was producing an estimated 656 hp and 606 lb-ft of torque at. I also had a single plane intake vs the air gap with the carb. Regarding which system is better, the FiTech is relatively new with no durability results from something that hasn't been around for two years; the Holley being newer has the same issue. CNC ported MTS aluminum heads and single plane intake. ” The runners on dual plane manifolds tend to have a smaller cross sectional area which produces a higher air stream velocity. Using one generally improves the power curve from about 4,200 rpm on up. Kaase Boss Nine Intake Manifolds. It's the one on the right. Alternative drop base solutions. Second a $130 air gap dual plane. It is VERY combo dependent. A PLS (Plane to Line Switching) panel is very similar to an IPS (In-Plane Switching) panel, but with some additional minor advantages. It got me wondering if the Terminator EFI system, being a below blade throttle body. Single plane intake usually needs a richer, espeacally with iab and ifr's compared to a dual plane. All intakes have full sized injector bungs, with plenty of room for most styles of injectors. Yes, you will be leaving peak hp on the table, but what does that mean? Guys dyno their engines and see a peak hp number at, say, 6500 or 7000 rpm and try to make that number go higher by switching out parts or whatever. AFR CHEVY SBC ELIMINATOR HEADS 210cc 65cc FULLY BUILT 1054HR for sale in Kingsport, TN, Price: $1,859. They recommended running a spacer on a dual plane or single plane manifold because they experienced some issues as well. And about single plane vs dual plane. Gasket 5817 is close but may require slight trimming. MTS ignition system. Conventional thinking is the dual plane should produce more torque , this is shown to not apply with this combo. Single plane is fine for WOT high RPM blasts if that's what you want. We did, then we tested it, and the results are right here for your perusal. This is a street/autocross/drag car, do you think this manifold is going to fit my application?. Blue Thunder Weber 48 IDA intake 5. That makes single-plane intakes perfect for higher RPM and horsepower. The Weiand is 3/16th of an inch taller, and the ports are larger than the Dart SHP dual plane. Dual-plane intake manifolds (left), typically have longer intake runners, making them ideal for low and mid-range power (idle - 5,500 rpm). Ive built up a 355 for my 70 Nova and have a torker 2 intake, ive been reading posts on varius manifolds and the torker seems like a pretty mild single plane, as opposed to the victor junior and others. Regarding which system is better, the FiTech is relatively new with no durability results from something that hasn't been around for two years; the Holley being newer has the same issue. These are a very efficient single Plane manifold that produces very strong mid range Torque and Top End Power. 375" Bore, 3. Does a single plane or dual plane manifold better fit a TBI setup? We’ll be testing with the Edelbrock Performer (dual plane) and Torker-II (single plane). CPR performed 10 pulls over two days, seeing repeatable results. 125" on them too, heard speedmaster gets castings from the same place professional products. Is this intake the same height as the original 881 dual quad intake? I'd like to use the original air cleaner but have concerns it won't fit, (hood clearance). BoogieMan™ Single Plane Intake AF71475 $695 This is the king of the hill when it comes to single carb intakes. Funny thing is I always wondered how the FiTech with a airgap would perform next to. The following dyno results were from a 518 cid Cadillac engine. (All which include the same bolt pattern as the stock TB). I now have 1" open carburetor spacers, so the left/right side of intake is now "mixed between right/left" just under the carburetor. Edelbrock single plane (Victor Jr) vs dual plane (Air-Gap) intake manifolds on the same engine in a dyno test at Westech Performance. Note: We have many choices available for hood clearance! Air gap single plane aluminum intake manifold for higher rpm and top end only (extra charge) NEW Holley Carb 750 CFM with electric choke is best for max horsepower. 340 mopar dyno test. 555 114 icl 110 lsa. I'm running a Dart SHP dual plane with a FiTech GoEFI 4 600HP on top of it. The single plane went on and supposedly ran flawlessly. Fully Ported Kaase Victor 4150 Intake Manifold. Funny thing is I always wondered how the FiTech with a airgap would perform next to. The single plane intake does hurt bottom end some. Blue Thunder Weber 48 IDA intake 5. The single plane was only stronger from 5600 RPM to 6800 RPM. However, MPI will favour a single-plane intake every time. Was soggy down low and with normal driving. Re: Dual plane v. 89 @ 122 with the Air-gap, and 10. So I got the XT just for low end. I'm getting ready to pull my motor and trans over the winter. They cited general unhappiness & tunability issues with the dual plane. Shop for affordable electronic fuel injection systems developed using OEM-level components, walkthrough FiTech Fuel Injection. Again cool build thank you for sharing!. If you don't want to block that cutout, use an open-center spacer. Specifications: 4. Dual-Plane. Watch the video below to see the dyno results for yourself. Test 1: Holley Single- vs Dual-Plane Intake on an LS3 Test 2: Fast LSXR vs Mast Carbureted Single-Plane Test 3: Stock LS7 vs MSD Atomic for LS7, Modified LS7 Test 4: Stock LS3 vs Speedmaster IR on a Modified LS3 Test 5: Stock LS3 vs Speedmaster Fabricated Intake on a Mild LS3 Test 6: FAST Adjustable LSXR Intake on a Mild LS3 Test 7: Stock vs. Engine Masters on youtube even ran into this problem with their Intake Shootout on the Dyno. CTDOT – Utilities Section. You may have to register. Ram Air Restorations Drop Base – Uses Airaid cone. From the 5th Gen Camaro and C6 Corvette to the Pontiac G8 and Chevrolet SS, our full line of performance valve train components deliver the performance and reliability the belongs in your LS3 powered mac. So I got the XT just for low end. Test car -TVS blower , headers Pump gas, 16psi 19 degrees of timing, full exhaust with cats. I have run both the RPM Air-gap dual plane, and the Victor single plane on my 410. Its common sense. The Fusion is a high rise single plane for a Dominator carb that is split in the middle for porting. It's the one on the right. The Edelbrock is a dual-plane intake which makes more power in lower RPM ranges. If you’re shopping for an intake for a high-horsepower engine or race car, you might want to consider a single-plane intake manifold. Kaase Boss Nine Intake Manifolds. Impersonation of others, including a FiTech Fuel Injection or other. Today we ran a Dyno test on the new FiTech breathing LS3 built by CBM Motorsports #fitech_efi #cbmmotorsports #LS3 #Nova #horsepower #burnout #POLNova. 3 for single plane manifolds and by 1. So I saw one of the recent Engine Masters programs on YouTube, and they had greater success with the Terminator EFI system with a single plane manifold on a 5. PLS is basically Samsung’s improved version of IPS. Some of our dual-plane manifolds use a larger cross-sectional runner that runs as well as the single-plane manifolds into the 5,500 to 6,500 range. Plus a test of the Air-Gap vs Regular dual plane intake manifolds. The single plane used is considered to be "too big" for the. The tuner at Lopers High [performance who works with FAST systems, same comment. I know the Edelbrock will be better than the M1 in lower RPMs, but I was hoping someone had some experience. These are a very efficient single Plane manifold that produces very strong mid range Torque and Top End Power. The smaller plenum found in a dual-plane intake, favors power production at a lower rpm range. Single Plane Intakes - EFI I have not run it on a single but can say the two single planes I have used it worked great on, but feel the same as Chad and you about do you gain enough to give some up down low I would say dependin on converter and gears in the car maybe more down low is still better and give some on top up. Oh make sure you have hood clearence. With features such as cast injection bosses, 4500 series carburetor flange, four corner water bosses, and Steve Schmidt Competition. A dual plane manifold will get you that gorgeous torque curve, which favors across-the-board torque over peak hp. Edelbrock F427 4V dual plane 10. FiTech MeanStreet and Edelbrock EFI Sump install If this is your first visit, be sure to check out the FAQ by clicking the link above. The single-plane intake from Mast Motorsports performed flawlessly as we have come to expect from their products. There are some single plane intakes but if your engine is designed for dual plane I would not switch. 5 to 1 compression, hydraulic roller cam with 246 degrees duration at 0. 632 BBC Heavy Nitrous Engine Options by Raymac Racing Engines (20 Degree: 1080hp) (20 Degree + 1 Stage: 1700+hp) (14. Using one generally improves the power curve from about 4,200 rpm on up. Timing (Initial/Total Advance): Initial timing - 10-16° and Total timing 32-34° Firing Order: 1,3,7,2,6,5,4,8. so far I have about $2800 invested. Dove 4V single plane 6. They recommended running a spacer on a dual plane or single plane manifold because they experienced some issues as well. The dual-plane intakes use longer runners to help the "carb signal", essentially the air pressure and wave pulses in the runners to provide a greater charge density into the cylinders at low speeds. Between-group comparisons indicated greater dual-task transverse plane center-of-mass (COM) range of motion (ROM) (13. 75mm high on the Weiand versus 48. bested the dual-plane Performer RPM, by producing 441 horsepower to just 434 hp, but is that the whole story?. Cam & Lifters (509SW), 750 Mighty Demon Carb, Wiseco 10. Extensive dynamometer testing confirms that “Stealth” is the ultimate dual plane on the market, with a power range from idle through 6800 RPM. At work I run the motor dyno. The dual plane air gap will give you significantly more low end punch with the lower rear gear. The single plane was only stronger from 5600 RPM to 6800 RPM. THE ULTIMATE BBC SINGLE PLANE INTAKE MANIFOLD The SNIPER is optimized for engines 540 cid and larger with BBC cylinder heads with deck heights of 9. FWIW I'm also using a single plane Holley intake manifold that's fairly tall. 25 to 1 Pistons (. 1L; Dart Big Chief; Dart BBC Tunnel Ram; Dart BBC Box Ram; Dart BBC Indy Blower Std; Dart BBC Indy Blower 18; Dart BBC Indy Big Chief; Valve Springs. And about single plane vs dual plane. Edelbrock Performer 390 4V dual plane 11. 555 114 icl 110 lsa. I ran a fairly standard 400ci in my F150, it ran a mild cam, and dual plane edelbrock manifold, with straight LPG, and it was as quick as a 3. Here are some results from the L&M TB test. The dual-plane test produced less of a change than the single-plane. I recently switched to a single plane on my '79 and the difference is amazing, no more lean stumbles and extremely smooth throughout the whole band. SBC Hot Rod Valve Springs; About Us. The "6500" is the genuinely streetable single plane manifold, recommended for high performance 380 to 474 cubic inch (CID) engines. Other aftermarket factory height intake. car # 1 in my signature below had a dual plane and made nice low to mid range power. FiTech MeanStreet and Edelbrock EFI Sump install If this is your first visit, be sure to check out the FAQ by clicking the link above. There are some dual-plane manifolds that can create problems with specific fuel induction systems. Test Process and Interpretation of Data. the four hole will increase low end torque due to (velosity) there are diffrent style 4 holes that do alot of diffrent RPM ranges and curves i prefer on a dualplane a 4 hole modified style. To help our customer's shop hassle-free, we have categorized our products. Dove 4V single plane 6. 555 114 icl 110 lsa. Run the same everything and install 210, 215, 227 cc heads that fit the larger single plane runner size and see what the test says. A PLS (Plane to Line Switching) panel is very similar to an IPS (In-Plane Switching) panel, but with some additional minor advantages. While the Sidewinder is a dual plane and the Victor is a single plane. Same thing as a dual plane intake helps low end torque. A single plane intake will flow more air than a dual plane intake for the same engine! Does that make it better? In about 90% of the cases, that’s a big no good, buddy! In fact, in 90% of the cases, a dual plane intake will outperform a single plane. 9 CID heads-canted valve/stock ports and valves valve sizes-2. The single plane intake does hurt bottom end some. Pulls will be. Fuel Recommendation: 91 Octane. 150 Camshaft: 301° Hydraulic, 248° duration @. So the dyno testing confirms what Ken Farrell said, ie. For the street, a dual plane is the best way to go. 79 @ 123 with the Victor (doing an apples to apples comparison, both on pump gas). Re: Dual plane v. Engine Masters on youtube even ran into this problem with their Intake Shootout on the Dyno. 125" on them too, heard speedmaster gets castings from the same place professional products. *Results*: 501 HP @ 5,100 rpm/525 lbs. My engine builder kept pushing me to a single plane, but I wasn't sold until my research came across the issues with dual planes and efi and I saw the testing results on Engine Masters as well. Peak torque is usually between 2500-2700 rpms so I missed the mark. The air gap was night and day for grunt. Therefore we went with a smaller single plane, and one of our favorite manifolds, the Weiand X-CELerator. The factory dual snorkel air cleaner WILL NOT CLEAR the factory hoods on 1958-1964 Chevrolet and Canadian Pontiac full size passenger cars. A certain RPMrange where the dual plane with out run the single plane. Without a doubt single-plane intakes are the favored style for allout performance. Cam & Lifters (509SW), 750 Mighty Demon Carb, Wiseco 10. The smaller plenum found in a dual-plane intake, favors power production at a lower rpm range. The camshaft was the stock factory 5. BoogieMan™ Single Plane Intake AF71475 $695 This is the king of the hill when it comes to single carb intakes. New cam (nothing crazy, basically a tow cam for down low grunt) and lifters, new dual plane intake manifold (for more low end compared to the single plane I was running) and rebuilt/freshened up the trans. Though the single-plane manifold shifted the torque curve higher in the rev range, the peak torque was up as well, from 450ft/lb at 4000rpm to 491ft/lb at 5200rpm. The 427 high-riser intakes are the “tricky” ones. Use of Site. 79 @ 123 with the Victor (doing an apples to apples comparison, both on pump gas). Some years ago, we did a dyno test of a small block Mopar 408" (see our dyno test #19. Sniper EFI on my 66 300. It put about 325 RWHP and TQ on the dyno with a tune. Dual Plane Intake Manifolds. dual-plane controversy, and why—depending on the end goal—you might pick one over the other. I have used both single plane & dual plane. 5 degrees; p = 0. 9 CID heads-canted valve/stock ports and valves valve sizes-2. Regarding which system is better, the FiTech is relatively new with no durability results from something that hasn't been around for two years; the Holley being newer has the same issue. Dyno Results: Chevrolet 421 Small-Block: DTS Engine Dyno Tested At Dr. NEW Professional Products RPM single or dual plane intake manifold. of torque! This test involved the comparison between the Eight Stack fuel injection and a single-plane Funnel Web intake manifold topped off with a Barry Grant 750 Mighty Demon carburetor. With its peak of 432 lbft coming at 3900 rpm vs the Victors 441 lbft @ 5400 rpm it. 340 mopar dyno test. If you plan on driving it on the street with very little strip/racing action dual plane is the way to go. 25 to 1 Pistons (. Our frame-mount inline pump kit comes with the fuel pump and many items. com? Thank you, glenn. Same thing as a dual plane intake helps low end torque. It's the one on the right. or a Victor Jr. 375" Bore, 3. if you have it. But the HP should be right even though the torque is reading low. Find Wilson Manifolds Tapered Carburetor Spacers 004110 and get Free Shipping on Orders Over $99 at Summit Racing! Wilson Manifolds tapered carburetor spacers feature a computer-generated, variable-radius taper design that maximizes airflow through the carburetor and enhances air/fuel distribution for more horsepower. 544") allowing maximum inlet port flow rate of 340 CFM (vs 318 CFM) the calculator shows a predicted 621 hp @ 6133 rpm. Blue Thunder Weber 48 IDA intake 5. The Weiand intake was designed to be compatible with all OE installations. These are a very efficient single Plane manifold that produces very strong mid range Torque and Top End Power. 248-362-1188. @4,000 rpm. BUT, the intake needs to match the application. Edelbrock Performer 390 4V dual plane 11. He never got to try a Blue Thunder high rise dual plane. The motor was a solid roller 496 and the Vic only made 8 hp more at 7000. The 427 high-riser intakes are the “tricky” ones. I'm going with an Edelbrock Torker II single plane with a FiTech system. The Victor is quicker on my combo, but it took quite a bit of tuning to get it that way. A certain RPMrange where the dual plane with out run the single plane. Though the single-plane manifold shifted the torque curve higher in the rev range, the peak torque was up as well, from 450ft/lb at 4000rpm to 491ft/lb at 5200rpm. 79 @ 123 with the Victor (doing an apples to apples comparison, both on pump gas). Re: Dual Plane vs. Using one generally improves the power curve from about 4,200 rpm on up. It all comes down to which one is best for the combination and use you want out of your truck. This is because it has a flat-plane crankshaft dual-overhead-cam V8. XT manifold without a doubt picked up a lot of low end. I saw a test on a MOPAR where it was the same engine and the results flew in the face of the same sort of test done with a SBC - where the dual-quad intake actually did a little bit better (meaning about 3 HP and about 5 higher on torque) vs. Dual plane intakes can potentially cause hard start Issues ". Some years ago, we did a dyno test of a small block Mopar 408" (see our dyno test #19. Dart SBC Dual Plane; Dart SBC 18/16 Degree ; Dart 220 Race Series; Dart Single Plane SBC; Dart Single Plane BBC; Dart BBC 18 Degree; Dart BBC Dual 8. 3k points) atc; 0 votes. Danny has time & time again posted the link to the video that shows a dual plane/carburetor setup that has issues on the dyno until an Air-Gap is machined. I'm running a Dart SHP dual plane with a FiTech GoEFI 4 600HP on top of it. Also new power brake booster and dual master for safety. The 460 and Cadillac have some similarities in design. HRE Sheet Metal Intakes. Trick Flow A-460 Ford. It felt good but always lacked something so I changed to a TP Dual plane high rise, as the car doesnt spend much time above 5k and isnt thrashed. Not sure with my build mild build it is worth the trouble. First Is a marine GMPP intake I already have. My setup: Corvette 1972 SBC with stock buttom engine and Fast Efi V1. I suspect, based on previous engines, with dual and single plane manifolds, but of very similar cam/headflow specs to this engine, that the trade off of Torque to HP is actually greater here, with the dual carbs and this manifold. 3 for single plane manifolds and by 1. The 460 and Cadillac have some similarities in design. of torque while losing 7 hp over the single plane I'm going to leave my engine alone. However, if rumors are to be believed, the alleged hybrid-assisted ZR1 will come with a flat-plane V8. Cam is SRT MAX PLUS 219/227 -. SBC Hot Rod Valve Springs; About Us. As such, using a single or dual-plane intake will have the same effect on EFI as it would on a carbureted engine. 71 exhaust compression ratio-10. dual-plane controversy, and why—depending on the end goal—you might pick one over the other. Unfortunately for the single-plane, the mild 351W combination was much better suited to the dual-plane intake. They cited general unhappiness & tunability issues with the dual plane. 375" Bore, 3. Display results as threads F-150 Intake Mani W/Airaid intake and open grill with stack/Local Dyno Tune/MBRP Just look at Dual plane vs Single plane intake. the engine will respond to the different manifolds in the same way, whether carbureted or TBI. Some of our dual-plane manifolds use a larger cross-sectional runner that runs as well as the single-plane manifolds into the 5,500 to 6,500 range. Intake manifold type, mfg (single 4-bbl, two 4-bbl, one 2-bbl, three 2-bbl, individual runner Weber, mechanical fuel injection, low-rise, high-rise, tunnel ram, dual-plane, single-plane, part no. Test 1: Holley Single- vs Dual-Plane Intake on an LS3 Test 2: Fast LSXR vs Mast Carbureted Single-Plane Test 3: Stock LS7 vs MSD Atomic for LS7, Modified LS7 Test 4: Stock LS3 vs Speedmaster IR on a Modified LS3 Test 5: Stock LS3 vs Speedmaster Fabricated Intake on a Mild LS3 Test 6: FAST Adjustable LSXR Intake on a Mild LS3 Test 7: Stock vs. Dart SBC Dual Plane; Dart SBC 18/16 Degree ; Dart 220 Race Series; Dart Single Plane SBC; Dart Single Plane BBC; Dart BBC 18 Degree; Dart BBC Dual 8. It’s amazing how much you can do with the motor out. car # 1 in my signature below had a dual plane and made nice low to mid range power. You might be a bit more careful in your assessment of others. Be interested in hearing where the dual plane manifold is discussed. FiTech Fuel Injection 70007 Ultimate Tall LS1/LS2/LS6 500HP Kit w/ Trans Control Hi-Ram LS1/2/6 Single Plane EFI w/ Fuel Rail Kit Holley EFI 2x4 Mid Rise Dual. Dyno: DynaPack 4022 Dynamometer. Though the single-plane manifold shifted the torque curve higher in the rev range, the peak torque was up as well, from 450ft/lb at 4000rpm to 491ft/lb at 5200rpm. 75mm high on the Weiand versus 48. (175/stock to 175/75). I have large heads and had the single plane edelbrock intake. 1L; Dart Big Chief; Dart BBC Tunnel Ram; Dart BBC Box Ram; Dart BBC Indy Blower Std; Dart BBC Indy Blower 18; Dart BBC Indy Big Chief; Valve Springs. Danny has time & time again posted the link to the video that shows a dual plane/carburetor setup that has issues on the dyno until an Air-Gap is machined. Carefully tuned by Trick Flow engineers to deliver optimum horsepower and torque on a big block Mopar, this kit is built around a set of dyno-proven PowerPort 240 cylinder heads (TFS-61617802-C00). Timing (Initial/Total Advance): Initial timing - 10-16° and Total timing 32-34° Firing Order: 1,3,7,2,6,5,4,8. Edelbrock’s Torker II is a single-plane manifold that features a relatively small plenum with long, narrow runners that provide strong mixture velocity. I have run tri-power and dual-quads on many cars and had spectacular results. You may have to register. The Weiand is 3/16th of an inch taller, and the ports are larger than the Dart SHP dual plane. Dual-plane intake manifolds (left), typically have longer intake runners, making them ideal for low and mid-range power (idle - 5,500 rpm). Peak torque is usually between 2500-2700 rpms so I missed the mark. 300rwkw is just scratching the surface power wise of a boosted 4l (single cam or barra the principal is the same), there is really no need to look any further than the st. 125" on them too, heard speedmaster gets castings from the same place professional products. Test 1: Holley Single- vs Dual-Plane Intake on an LS3 Test 2: Fast LSXR vs Mast Carbureted Single-Plane Test 3: Stock LS7 vs MSD Atomic for LS7, Modified LS7 Test 4: Stock LS3 vs Speedmaster IR on a Modified LS3 Test 5: Stock LS3 vs Speedmaster Fabricated Intake on a Mild LS3 Test 6: FAST Adjustable LSXR Intake on a Mild LS3 Test 7: Stock vs. There are some single plane intakes but if your engine is designed for dual plane I would not switch. A single-plane intake has a shorter and direct runner to the heads which results in higher amounts of air from the induction area to the heads. We hear it all the time: "You shouldn't run nitrous on a dual-plane intake manifold. While the Sidewinder is a dual plane and the Victor is a single plane. That makes single-plane intakes perfect for higher RPM and horsepower. The air gap was night and day for grunt. Some Corvette purists are upset that Chevy is stepping away from the pushrod V8, though, the 2020 model year Corvettes due indeed still contain pushrod V8s. So the dyno testing confirms what Ken Farrell said, ie. Second a $130 air gap dual plane. Single Plane vs Dual Plane Manifolds - Duration: Carb vs EFI - Dyno Testing a Holley Double Pumper vs Custom Stack Injection - Duration: Dyno Results: FiTech EFI Versus 750 Carburetor. New cam (nothing crazy, basically a tow cam for down low grunt) and lifters, new dual plane intake manifold (for more low end compared to the single plane I was running) and rebuilt/freshened up the trans. 700" (rather than current. or a Victor Jr. Re: Dual plane v. Even though the RPM Air Gap is a dual-plane intake manifold, a divided spacer can cause some power loses because the divider will cover the cutout in the plenum wall. A single plane intake will flow more air than a dual plane intake for the same engine! Does that make it better? In about 90% of the cases, that’s a big no good, buddy! In fact, in 90% of the cases, a dual plane intake will outperform a single plane. I have run both the RPM Air-gap dual plane, and the Victor single plane on my 410. It got me wondering if the Terminator EFI system, being a below blade throttle body. ) x 25 mm vented discs, single-piston 45 mm 380 mm x 26 mm vented discs. Test Process and Interpretation of Data. The smaller plenum found in a dual-plane intake, favors power production at a lower rpm range. Now back together. At that point the single plane intake is really superior making power. There are some dual-plane manifolds that can create problems with specific fuel induction systems. no flat spots) of all of the single planes. Re: Dual plane v. HIGH PERFORMANCE GEN 4 L99 & LS3 CAMSHAFTS. com? Thank you, glenn. new pistons, gasket set, recon rods, degrease block, bore block, new rings, new bearings, new cam, new lifters, mill heads, valve job, new valve springs, rebuilt oil pump, new rocker shafts, new timing gear set, and a balance job. You may have to register. The result is the ability to mimic dual-plane performance at lower speeds while maintaining excellent high-speed performance. This combo isn't held back by rules, so a solid roller, single plane set-up can really make some power. Edelbrock F262 dual plane, for Edelbrock/Carter carbs 9. So its not just for looks. Cam & Lifters (509SW), 750 Mighty Demon Carb, Wiseco 10. It's not snake oil when flow technology and dyno results show that the end result is a positive. 375"), Comp Hyd. Dove 8V tunnel ram 8. Reticles such as a mil dot are based on a specific subtension and require exact feature spacing to be accurate; if this type of reticle is used in a rear focal. I have been 10. if you have it. intake, the peak horsepower output jumped to 441 horsepower at (a slightly higher) 6,500 rpm, but peak torque dropped to 405 lb-ft at (again, higher) 5,000 rpm. I am most skeptical of the single plane tho. 150 Camshaft: 301° Hydraulic, 248° duration @. 2bbl Vs 4bbl Dyno 7:1 compression ration to run on regular gas, but was still rated at 290hp. The Weiand intake was designed to be compatible with all OE installations. Intake Manifold: Dual plane, satin aluminum. On the dyno, the CHI combination increased the peak power output by a whopping 86hp to 524hp. A PLS (Plane to Line Switching) panel is very similar to an IPS (In-Plane Switching) panel, but with some additional minor advantages. Figure 10: A single plane through a shaft and a dual planes through a shaft. I'm thinking about buying a new Edelbrock #5409 large port dual quad intake for my 409. Harassment in any manner or form on the site, including via e-mail, chat, or by use of obscene or abusive language, is strictly forbidden. The single plane went on and supposedly ran flawlessly. Torque production with the dual-plane exceeded 400 lb-ft from 3,800 rpm to 5,100 rpm, making for a broad, usable torque curve. CPR performed 10 pulls over two days, seeing repeatable results. There are some single plane intakes but if your engine is designed for dual plane I would not switch. The tuner at Lopers High [performance who works with FAST systems, same comment. Unfortunately for the single-plane, the mild 351W combination was much better suited to the dual-plane intake. The Victor is quicker on my combo, but it took quite a bit of tuning to get it that way. Yes, this is the intake those of you that race in a conventional head class have been looking for. This close spacing requires that 4150 and 4160 4v Holley carburetors must be mounted sideways, and actuated with a suitable linkage. The two-piece design allowed full CNC porting. HRE Sheet Metal Intakes. Blue Thunder 8V dual plane, 427 MR ports 4. The single plane was only stronger from 5600 RPM to 6800 RPM. A single plane intake will flow more air than a dual plane intake for the same engine! Does that make it better? In about 90% of the cases, that’s a big no good, buddy! In fact, in 90% of the cases, a dual plane intake will outperform a single plane. 375" Bore, 3. So I saw one of the recent Engine Masters programs on YouTube, and they had greater success with the Terminator EFI system with a single plane manifold on a 5. Was soggy down low and with normal driving. The torque peak was 408. While adding a spacer defeats the purpose of the dual-plane and increases it's peak effective RPM range, it becomes a divided single-plane. Intake manifolds should be closely matched with your cam and valvetrain to build peak horsepower. The dual-plane intakes use longer runners to help the "carb signal", essentially the air pressure and wave pulses in the runners to provide a greater charge density into the cylinders at low speeds. Single Plane vs Dual Plane Manifolds - Duration: Carb vs EFI - Dyno Testing a Holley Double Pumper vs Custom Stack Injection - Duration: Dyno Results: FiTech EFI Versus 750 Carburetor. This engine produced 630hp with a single plane intake, and 580 with a dual plane. Boss Nine engines are fitted with a single-plane intake manifold for a 4150 or 4500 style carburetor. What is plain to see is that up to 4800rpm the dual plane intake is much stronger and from 4800 up to 6000 it is pretty much a trade-off. Dual Plane Intake Manifolds. Currently only available with the Dominator style carb flange. My car runs awsome!!!! I don't remember what the jetting was before, but it was MUCH leaner. Since the carb is probably a hair big for us & the intake is rated to pull 6500, what about putting a 4-hole spacer under the carb? I was reading a carb book and it said that 4-hole spacers will help the velocity of a large carb and normally pick up low-mid range power. if you have it. ) x 30 mm solid discs, single-piston 45 mm floating aluminum calipers; integral parking brake; Performance Package: 330 mm (15. The 460 and Cadillac have some similarities in design. 5 gears and 35" tyres. dual-plane controversy, and why—depending on the end goal—you might pick one over the other. 002'' bore X 3'' stroke-301. In both cases, the FiTech delivered less fuel than the carburetor, which is one of the advantages of EFI. I am getting a complete stock 350 vortec motor to go in my 79 MC. Test 1: Holley Single- vs Dual-Plane Intake on an LS3 Test 2: Fast LSXR vs Mast Carbureted Single-Plane Test 3: Stock LS7 vs MSD Atomic for LS7, Modified LS7 Test 4: Stock LS3 vs Speedmaster IR on a Modified LS3 Test 5: Stock LS3 vs Speedmaster Fabricated Intake on a Mild LS3 Test 6: FAST Adjustable LSXR Intake on a Mild LS3 Test 7: Stock vs. With our selection of intake manifolds, you can match your engine setup with the perfect single plane or dual plane manifold, single or double carburetor intake manifold, tunnel ram, hi-rise intake manifold and more!. Dual-plane manifolds have longer intake runners than a single-plane design and are ideal for low- to mid-range power production in the 1,500-5,500 rpm range, which results in good idle quality. The ultimate drag racing single-plane for large displacement or high-rpm applications LSX-CT/DR-style port; minor port matching required for optimal port match Two-sets of injector/nitrous bosses are cast-in for extreme power capability. (All which include the same bolt pattern as the stock TB). The result is the ability to mimic dual-plane performance at lower speeds while maintaining excellent high-speed performance. Single or dual plane intake manifold with "tbi" style efi? If this is your first visit, be sure to check out the FAQ by clicking the link above. Dual-Plane. A PLS (Plane to Line Switching) panel is very similar to an IPS (In-Plane Switching) panel, but with some additional minor advantages. Test car -TVS blower , headers Pump gas, 16psi 19 degrees of timing, full exhaust with cats. *Results*: 501 HP @ 5,100 rpm/525 lbs. Order fast. We’ll assemble a list of parts for the carbureted conversion and offer multiple selections, but unless you’re building some kind of absurdly fast street car, a dual plane like the Edelbrock Performer RPM or Holley’s version is the best choice. Note: On dual plane intakes, there will always be 2 ports that flow considerably less than the others. Dove 8V tunnel wedge single plane 7. Re: Dual Plane vs. @4,000 rpm. HIGH PERFORMANCE GEN 4 L99 & LS3 CAMSHAFTS. The engine is running high 10's low 11's compression ratio and therfore decided to run a blend of race fuel with an octane rating near 100. There are some dual-plane manifolds that can create problems with specific fuel induction systems. 375"), Bowl Port & Gasket Match Heads, Milodon Oil Pan, Eagle H-Beam Rods(6. Currently only available with the Dominator style carb flange. Moving on to the single-plane Edelbrock Victor Jr. This intake will raise your carb quite a bit more than 4" higher than stock. But the HP should be right even though the torque is reading low. I'm going with an Edelbrock Torker II single plane with a FiTech system. Kaase Boss Nine Intake Manifolds. Engine Masters on youtube even ran into this problem with their Intake Shootout on the Dyno. My CJ 5 has a Comp Cams 252H cam, the Offy 360 manifold, Holly 450 cfm 4150 carb, and Headman headers. Figure 10: A single plane through a shaft and a dual planes through a shaft. The single plane used is considered to be "too big" for the. Edelbrock’s Torker II is a single-plane manifold that features a relatively small plenum with long, narrow runners that provide strong mixture velocity. XT manifold without a doubt picked up a lot of low end. Though the single-plane manifold shifted the torque curve higher in the rev range, the peak torque was up as well, from 450ft/lb at 4000rpm to 491ft/lb at 5200rpm. 7 GM Tbi w Single Air Cleaner Stud Price: $88. Considering modifying the dual plane by adding a notch to the plenum wall like Performer RPM Air-Gap. In dyno testing, Super Victor #29275 EFI outperformed the competition out-of-the-box with just a port match and minor blending of critical surfaces. Distribution wasn't a terrible on either, but the single plane is a little more even. Guaranteed 3 day delivery. the engine will respond to the different manifolds in the same way, whether carbureted or TBI. Single Plane vs Dual Plane Manifolds - Duration: Carb vs EFI - Dyno Testing a Holley Double Pumper vs Custom Stack Injection - Duration: Dyno Results: FiTech EFI Versus 750 Carburetor. Like the lads above me mentioned, MPI can make effective use of a dual-plain. So the dyno testing confirms what Ken Farrell said, ie. As such, How to Build LS Gen IV Performance on the Dyno: Optimal Parts Combos for Max Horsepower is an indispensable resource for anyone building GM LS Gen IV engine. When we last visited our Chevrolet Performance ZZ454 crate engine (PN 19331574) on the dyno, we found a lot to like. Second a $130 air gap dual plane. Edelbrock F427 4V dual plane 10. Its common sense. The single plane used is considered to be "too big" for the. I believe it is more complex than saying that intake X is the best or that dual planes are superior to single planes below some RPM. 555 114 icl 110 lsa. Carefully tuned by Trick Flow engineers to deliver optimum horsepower and torque on a big block Mopar, this kit is built around a set of dyno-proven PowerPort 240 cylinder heads (TFS-61617802-C00). The 427 high-riser intakes are the “tricky” ones. Blue Thunder 8V dual plane, 427 MR ports 4. The extra 2-3 hp offered by the Victor Jr. I'm going with an Edelbrock Torker II single plane with a FiTech system. Prior to testing a basic tune-up was performed including spark plugs, plug wires and oil change. A single-plane intake has a shorter and direct runner to the heads which results in higher amounts of air from the induction area to the heads.