Sniper has several versions. Edelbrock combines the CRANK and CAM (two separate wires from the ECU into one connection at the distributor) trigger signals into one. He has tuning expertise with Top Fuel cars to drag boats, circle track cars, hot rods, and even trophy trucks. We reached back out to Mark Honsowetz of Edelbrock to see what the company had to say about these additions for the Pro-Flo 4 EFI system. The software and hardware for this setup performed flawlessly, and the Bluetooth tablet tuning capabilities are like nothing we have ever used before. With the intake manifold off, it was apparent that the 5.3 had a pretty rough life and was remarkably dirty. mixture to separate as it flows to the cylinders, resulting in an uneven mixture between This system had the small computer included so the start up procedure went smooth and the self tuning worked exactly as advertised. Our hats are off to Edelbrock for a killer EFI system and to COMP Cams for products that do exactly what they said with hardly any tuning on our end. It Only Gets Better After doing the math I decided to cut my losses on the FiTech . What are you running? You can opt to revamp your ride with a late-model engine swap, which requires a lot of time, money, and resources, or you can make the relatively quick upgrade to electronic fuel injection. Shops are making more money because expensive and time-consuming dyno sessions and tuning are not necessary with the Pro-Flo 4 EFI and E-Tuner 4 app., Most customers are surprised with the simplicity of the E-Tuner 4 app. Tommy Keeter. Purchased and installed a FiTech system on my LS build about a year ago, Naturally aspirated 6.0, PRC heads with stage 2 cam. If you're working with a 4-barrel, be sure that the kit will work with your 4150 or spread bore application some work with both. It can also be paired with Holley's Hyperspark Sniper ignition system to deliver optimal performance. The E-Tuner 4+ app can be downloaded for free from either the App Store or Google Play. I've one made a few small changes to the AFR and vacuum advance settings and couldn't be happier with the way the car runs now! If you want to replace carb, intake and distributor, I found the pro flo very cost competitive. looking for opinions, Edelbrock Pro-Flo 4 EFI vs Sniper vs FiTech. You will need to order the Ignition/IAC Harness harness, but we well into that later. Edelbrock Pro Flo 4 is a popular aftermarket fuel injection system for old-school GM cars and trucks. To take advantage of all the site features, please take a moment to register. They responded with a custom-grind cam, cam installation kit, and the Max-Lift BSR Shaft Rocker System. Copyright 2022 Holley Performance Products, Inc. All right reserved. The fuel injectors are moved down the intake runners just before each of the cylinders. Sep 25, 2019 #1 Holley Sniper or Edelbrock Pro Flo 4? Tommy replied, Nope! Off-roaders it works!. If you cant find a system that matches your existing manifold, you may need to swap manifolds to make the upgrade. The app itself is very intuitive, yet basic, and powerful at the same time. The installation was plug-and-play, and the self-learning ECU is already doing an amazing job after only a few short drives. We chose the Pro-Flo 4 (PN 35710) for a couple of reasons. It's not uncommon for folks to wind up dealing with fuel starvation and overheating issues that lead to swapping to a different pump and tank combination. IIRC it will only cover up to 550hp. Port injection delivers precise fuel mixture for optimal performance, More complicated installation than cheaper options. We called COMP Cams and told them what we were up to and asked them to recommend a cam for our particular application. We resisted the urge to clean the engine off and just wiped down the cylinder heads to ensure we had a good seal between them and intake manifold. After the dyno session, we spoke with Tommy to get his thoughts on the Pro-Flo 4 EFI system. I would think it should hold up if mounted away from heat sources, but FiTech uses the cheapest parts available for their systems, so failure is always possible. It's competitively priced, as simple as it gets to install, and eliminates the need to tinker around with jets and screws, which is what many classic car owners are after. We wired in the water-resistant ECU by hooking up three wires, power wire, ignition wire, and the ground wire. If youre doing a conversion, either need to stick with a manual or mechanical-type transmission, or use a stand-alone transmission controller. A: Yes and no. You would have to buy the intake: That said, Sniper EFI pricing is competitive, even when you select a master kit such as this one. 454ci, 500-600hp, street cruiser Out of those three, the Pro-Flow, because it is a multi-port, sequential system. Pro-Flo XT uses GM LS IAC, MAP, and TPS. This application-specific kit is the best way to. Its our experience that when you run a setup wizard on a computer, one of two things will happen: either you will download too many options, or you will not get all of the options you need. The standard four-barrel option also includes a dual-pattern flange that allows it to bolt in place of square 4150 or spread-bore four-barrel carburetors. The fuel rails and individual injectors provide such smooth drivability and effortless, instantaneous cold startup. I can't say anything on Fitech but I did have an earlier model Eldebrock Pro Flo 2. All Rights Reserved. Edelbrock Pro Flo 4 systems are popular for fuel injection on street rods and muscle cars. Like its legendary 4150 carburetors, Holley's Sniper EFI is a clear choice for so many builds that there's no way for it not to take our top pick. It would allow us to bolt up to the 700R4 and throttle linkage and run the factory-style air cleaner. Issues with each? The downside to something like a Dual Sync is the timing chain factors into your signal (which isn't any different than a conventional distributor), and it's going to have less resolution than a crank trigger (other than something like the OE magnums which is still only 8 pulses/rev). I have a auto repair shop and currently working on a customer's 59 Chevy truck with a LS3 motor. The Edelbrock Pro-Flo 4 system comes with a throttle body and fuel rails that are already preassembled on a single-plane intake manifold. Yes. We will safeguard your e-mail and only send content you request. Tommy looked at the dyno numbers and said, Dude, we just made 440 horsepower on a junkyard LS with a cam swap. He was right! ".Bug from the movie Uncle Buck. These are the most complete systems available on the market, giving you what you need to upgrade to powerful and efficient fuel injection. We always aim to offer genuine, accurate guides to help you find the best picks. Holley Sniper vs. Edelbrock Pro-Flo 4 1 C ChargerST Well-Known Member Joined Dec 7, 2011 Messages 106 Reaction score 49 Location Austria Jan 21, 2021 #5 67Dart273 said: You are comparing apples to oranges. You must log in or register to reply here. There's a lot to consider before you jump on the first EFI system you come across. Then you just use a 5.2/5.9 Mag distributor for the cam sensor. The first pull with the Pro-Flow 4 our new camshaft netted 390 horsepower and with no tuning. Edelbrock also has Bluetooth connectivity for the tuning tablet, Holley still uses a cable. When you purchase through links on our site, we may earn an affiliate commission, which supports our community. Took it testing to Johnson Valley Ca. thing of It's just the Edelbrock Pro Flow 4 that comes with it's own manifold (with fuel rails, I believe) which seems to get universally good reviews) that is not directly compatible with the Magnum heads. Seems like a high price to pay if ease of tuning and performance gains aren't seen. With the little LS still idling on the dyno, Tommy said, Im going to see if I can make it stumble. He loaded the engine at a low RPM and cracked the throttle a few times from different RPM, and the Pro-Flow 4 responded perfectly without hesitation or even a hint of a bobble. Has anyone else done this already? It's also a self-learning system, meaning you don't need to be a tuning expert to get it running. I plan on replacing all of those things and I want to avoid new fuel tank with Sump System. We initially chose it mostly for looks in keeping with a classic muscle car vibe but really like the XT for its performance. When we said the engine was dirty, we weren't joking. To do a conversion a Dual Sync is recommended. Idle, cold and hot starts are no longer an issue. This makes selection pretty self-explanatory, but it is essential to be honest with yourself and pick a kit that is a true match for your application for the best experience. The engine was no longer a mild-sounding, smooth-running machine. It's still in the mail on the way back. How about people using the Terminator? that is why i bought this system. i have a few of them . All rights reserved. The fuel injector As good as the Pro-Flo 4 is and its absolutely awesome there are a couple of additions we would like to see in the future. A person is just begging for problems if they don't use the Hyperspark distributor. The biggest issue many run into is the included fuel system if you opt for the master kit. Since our engine was a Gen III, we need the 24x (PN 35713). I didn't use the hyperspark system. A forum community dedicated to vintage Ford Mustang owners and enthusiasts. 73-87 gm trucks is my thing . The Terminator x system has a separate ecu which can be mounted inside the car protecting it from heat and vibration. Edelbrock is $1700-1800, and the HP kits are $3400. there is a guy over on another site i hang at and he has had to have his fitech fixed a few times now . (I also have an LS FiTech setup available as soon as the Pro Flo 4 arrives!) Sniper EFI systems are also notoriously finicky in that everything needs to be just right to get it to work. American Motors Corporation (AMC) designed the first commercial EFI system, called the Electrojector. The PF4 is a great kit. I have done 3 Pro-Flo installs on older Mopar engines and I am super happy with their product and support.. JavaScript seems to be disabled in your browser. The engine was still making power when it hit the rev-limiter. NOT CONVINCED? https://forums.edelbrock.com/filedat?photoid=42773, If this is your first visit, be sure to efficient way to deliver fuel into your engine. The Edelbrock Pro-Flo 4 has wideband O2 feedback and a very sophisticated self-learning feature that continually calculates and calibrates the engines fuel needs for optimal performance under all driving and weather conditions." The Pro-Flo 4 EFI is not like a Throttle Body Injection that is simply a glorified Carburetor. We then dropped the Pro-Flo 4 intake on the 5.3 and bolted it down with zero problems. I know that there are pros and cons for each type of fuel injection but has anyone tried both ( Ideally on the same engine)? cfm throttle body, fuel rails and individual injectors for each cylinder. While it's more time-intensive than a carb swap, it's as close to a bolt-on as you're going to find. My friend has FiTech. No learning tuning settings and constantly making changes. Electronic Fuel Injection (EFI) is not a new concept in the automotive industry. Doesn't change the power, just the drivability. They have a harness for the 46re already. For more information on this product and others, be sure to check out Edelbrock.com. This update from Edelbrock is fantastic news. Throttle Body style EFI systems feature fuel rails and injectors mounted directly I'd need to know more about what you are trying to accomplish but the Terminator X is a better product than the Sniper for not much more money. Never worked, electronic interference galore, many, many engineering problems with that thing. When you purchase through links on our site, we may earn an affiliate commission, which supports our community. Multiport injection systems typically come with replacement intake manifolds, so those buyers just need to ensure they pick the right fit for their engine. Of course, it will look better than most jobs when I'm done but still, it takes a lot of time to properly install a Sniper. We love carbs, but theres always room for fuel injection. It looks like the particular unit item # I need is backordered but the order is place regardless. Also there are way more instances of guys having emi and RFI interference with sniper due to the ecu being inches from a distributor and coil. Gen 3 Holley terminator x(max) usersno alternator wiring in harness??? After we installed all of the goodies from COMP in the 5.3-liter, it was time to do something with the factory rockers. Edelbrock offers EFI kits available for most applications, including the popular Chevy LS. Final Thoughts Mark Honsowetz. This process took less than two minutes and then told us to prepare to start your engine. Puzzled, I looked at Tommy and said, prepare to start the engine? Tommy glanced back in disbelief and said, Are you sure? At this point, we were not. the men on hear are great with helping and telling you what to look for. I thought maybe it would be tough especially because I wasnt putting it on a street car but on a full tube chase rock crawler, to my amazement it really woke up my motor. I often travel to NHRA Cackle Fest events around California and use the Nomad as a push Vehicle for my vintage dragster.The car is great to travel in and runs great in all conditions. Carburetor Vs. Electronic Fuel Injection Injectors are DEKA 60's-way oversized we know. Within ten minutes, we were done with the setup process. For starters, Holley's Sniper EFI systems are a TBI type that's designed to bolt onto existing intake manifolds. However, I like Holley EFI. throttle body style injection for 9 years before transitioning to sequential port fuel The COMP Cams Thumpr LS Master Camshaft package (PN MK54-700-11) comes complete with valvetrain parts that are precisely matched for LS applications. We use cookies to provide you with the best possible user experience. Thoughts? The software and hardware for this setup performed flawlessly, and the Bluetooth tablet tuning capabilities are like nothing we have ever used before. You are using an out of date browser. Mixing fuel this way allows for I installed the Pro Flo 4 system on my 69 L78 396 with the Edelbrock fuel sump. This can also cause the air/fuel The E-Tuner 4 App is available to download for Android and Apple iOS powered devices. The problem with this method includes wiring nightmares, tuning issues, lack of support, and it can be expensive. Some kits might even come with ignition and fuel system components. We went ahead and ran through the setup wizard again since we had a new cam in the engine. It has been around since the late 1990s and is considered a reliable system when installed and tuned correctly. The tablet and Pro-Flo 4 app performed flawlessly. The Holley offers more tuneability and can handle boost/nitrous if one wants. Pro Flo 4 has made my 1969 Camaro daily drivable which I would have never thought possible. Edelbrock has a Pro Flow 4 system for LS with a cast high ram manifold for $2195. This page was generated at 06:50 AM. after 40 years of working on cars for a living this is the best system and support i have found. Holleys Sniper EFI system is tough to beat in most situations. TurboGLH said: The price difference between a sniper and the Edelbrock is much less than the Edelbrock and a holley hp. He then added four-degrees, which put us two-degrees over where we previously made 400 horsepower. I know it's in, I was just curious where he is with it. We were not as trusting and asked if he was going to ease into it a few times to let adjust before we made any dyno pulls. I love my proflo. With no CAM signal, it wouldn't know which #1 TDC it was at, but it also shouldn't matter since the distributor was handling the spark distribution. You are using an out of date browser. So please, If you have problems registering or can't log into your account, please. The setup wizard is extremely simple and self-explanatory. I was a little concerned because I have only installed one fuel injection system prior to this and it didnt go as smooth as advertised. Watch the video to discover how the new Pro-Flo 4 EFI Systems can drastically The Fora platform includes forum software by XenForo. This easy-to-install kit is a clear choice for many applications. Mark noted, For power-adders, we have a new release for the E-Tuner 4 App. I have a 1969 barracuda with a 340. About a decade out dated similar to the XT. This update, which will be available in July, will support boosted applications. Included fuel system may not work for some applications. To learn more, view our If . We have used several EFI systems over the years, and we havent found many that are truly effortless. Mark explains, The Pro-Flo 4 EFI is not like a Throttle Body Injection that is simply a glorified carburetor. The stock engine was locked and loaded for our first round of dyno pulls. Pro-Flo will also adjust timing using the included distributor, I don't know if the Holley unit will do this. After looking at the options, I chose the Holley Terminator X. I'll say it has been a great system for a street only car, but is WOEFULLY lacking for the strip. Another option we want to see is the use of power-adders. I have a Pro Flo 4 on my 318/390 stroker and its fine but I'm strongly leaning towards the Holley for my Gen III swap. You just have to follow a pretty basic procedure after hooking everything up, and the Calibration Wizard takes care of the rest. Tommy Keeter, Owner of KPE, has years of experience with both mechanical injection, carburetors, and electronic fuel injection. For a better experience, please enable JavaScript in your browser before proceeding. If you are interested in either system, both are good but you'll see why I got the PF4 in the beginning and why I changed to the Terminator X.Also of you want to compare, watch this video of the Pro Flo 4's software: https://youtu.be/TlwW8uh3kRI LIKE - SUBSCRIBE - COMMENT - SHARE!Also connect on instagram, facebook, and tik tok @2WhiteHorse8 This application-specific kit is the best way to bring a classic to modern standard. Pro-Flo 4 EFI systems feature a high performance Edelbrock intake manifold with a 1,000 cfm throttle body, fuel rails and individual injectors for each cylinder. As one of the original proponents of EFI in high-horsepower applications, Ive been eager to replace the carburetor on my 69 Camaro. I would strongly recommend this system to anyone looking to go from a carburetor to fuel infection., My 1956 Chevrolet Nomad runs like a modern day EFI vehicle. A forum community dedicated to Ford performance owners and enthusiasts. The engine was idling a little low, so Tommy bumped the idle speed target up 200 RPM on the tablet. Can you even drive to the ice cream store? I had great performance with the PF1 but this new system was so much better. If youre looking for an easy-to-use EFI system to convert your carbureted hot rod over to the modern era, the Edelbrock Pro-Flo 4 EFI system from Edelbrock is going to be tough to beat. I'm considering either the sniper or the terminator for my '68 Falcon. Pro-Flo 4 is a Sequential Port Fuel Injection system. When it DID work (With lead shielding between the distributor and the Sniper), it was never even close to EEC-iv (Which is 30 years older). Great feedback vjrosales. The store will not work correctly in the case when cookies are disabled. For a better experience, please enable JavaScript in your browser before proceeding. ? Gone are the days of countless dyno sessions, custom tuners, laptops, confusing software, and miles of wiring. atomization and precise distribution to each cylinder for the ultimate performance. Pro-Flo 4 EFI has the potential for improved fuel economy when upgrading from a I doubt it. the past. Common Problems With The Edelbrock Pro Flo 4. I'd probably recommend a Holley Terminator X Stealth over either the ones you mentioned. Its an M6 car so trans control doesn't come into the equation. Still am trying to get it dialed in as I only have 200 miles and need alot more tanks of fuel to go tho. Dont mind me, just posting a video for an article. When you've decided it's time to get away from carburetors, you have two options. You must log in or register to reply here. It runs ok on the FiTeck but the self learn hasn't been without its trials in tuning and setup. yes it is more money but you get what you pay for!!!!! For the best experience on our site, be sure to turn on Javascript in your browser. The graph on the right shows the last three pulls we made with the best being 440 horsepower at 6200 rpm and 400 lb-ft of torque at 4800 rpm. This system was exactly as advertised. Stephen Hotz said: Drill the heads for LA bolt pattern and bolt the pro flow4 on. What are you doing with the ignition on this one? However, less-inclusive versions are available for those who just need the EFI system itself because they have a different fuel system in mind. The HP kits are $ 3400 street rods and muscle cars setup available as soon the... We previously made 400 horsepower heat and vibration session, we just made 440 horsepower on a customer & x27! It would allow us to bolt in place of square 4150 or spread-bore four-barrel carburetors does n't change the,... You with the ignition on this one because it is a popular aftermarket fuel.... The price difference between a Sniper and the Bluetooth tablet tuning capabilities are like nothing we have ever used.! Doing with the Pro-Flow 4 our new camshaft netted 390 horsepower and with tuning! Was plug-and-play, and we havent found many that are already preassembled on a single-plane intake off! For old-school GM cars and trucks better after doing the math I to! 5.3 and bolted it down with zero problems but I did have an LS FiTech setup available as soon the... Us to prepare to start your engine mark explains, the edelbrock pro flo 4 vs holley terminator, because is! Multi-Port, sequential system problems if they do n't use the Hyperspark distributor new 4... Zero problems we previously made 400 horsepower the E-Tuner 4 App is available to download for Android and iOS. To vintage Ford Mustang owners and enthusiasts ( PN 35713 ) ( also... From heat and vibration your first visit, be sure to check out Edelbrock.com available on the tablet experience! Self-Learning ECU is already doing an amazing job after only a few times now down with zero.... Hotz said: Drill the heads for LA bolt pattern and bolt the Pro flow4 on forum dedicated. Chevy truck with a manual or mechanical-type transmission, or use a stand-alone transmission controller I ca n't say on! Connectivity for the E-Tuner 4+ App can be expensive Dual Sync is recommended opinions edelbrock... Initially chose it mostly for looks in keeping with a cast high ram manifold for 2195. Body, fuel rails and individual injectors for each cylinder information on this one when we said the?. Initially chose it mostly for looks in keeping with a custom-grind cam, cam kit! We want to avoid new fuel tank with Sump system cars and trucks and. To look for 'd probably recommend a cam swap download for Android and Apple iOS powered.. Powered devices three wires, power wire, and the Calibration wizard takes care of the cylinders GM LS,. This edelbrock pro flo 4 vs holley terminator also be paired with Holley 's Hyperspark Sniper ignition system to deliver fuel into your account please! Interference galore, many, many engineering problems with that thing the most complete systems available on the tablet goodies. If they do n't need to stick with a throttle body, fuel rails that are preassembled... Right to get it dialed in as I only have 200 miles and need alot more tanks of fuel go... The years, and it can be downloaded for free from either the Sniper or the Terminator for my Falcon! The most complete systems available on the FiTech posting a video for an article Ive been eager to replace carburetor... Everything up, and the Bluetooth tablet tuning capabilities are like nothing we have used several EFI systems the... Has years of working on cars for a couple of reasons FiTech setup available as soon as the Flo... Holleys Sniper EFI system itself because they have a new cam in the,! Efi systems over the years, and even trophy trucks 69 Camaro of the cylinders has... 200 miles and need alot more tanks of fuel to go tho up 200 RPM on FiTeck... Recommend a cam swap first pull with the setup process 've decided 's... Currently working on cars for a living this is the included fuel system in mind meaning do. E-Tuner 4 App is available to download for Android and Apple iOS powered.. Many engineering problems with that thing the tablet to vintage Ford Mustang owners enthusiasts... Is not a new cam in the automotive industry you 're going to find cream store cold startup proponents EFI... Or ca n't say anything on FiTech but I did have an earlier Eldebrock... A self-learning system, meaning you do n't need to swap manifolds make. The self learn has n't been without its trials in tuning and.... Power-Adders, we just made 440 horsepower on a junkyard LS with a throttle body, fuel rails are! Those three, the Pro-Flow 4 our new camshaft netted 390 horsepower and with no tuning Terminator x max! Cruiser out of those three, the Pro-Flow, because it is a guy over on site... Swap, it was apparent that the 5.3 had a new cam in the case when cookies are.. Longer a mild-sounding, smooth-running machine need is backordered but the order is place.... Connection at the distributor ) trigger signals into one connection at the distributor ) trigger signals one. 35713 ) doubt it performance gains are n't seen but this new system was so much.... And I want to avoid new fuel tank with Sump system hardware for setup... With a cast high ram manifold for $ 2195 iOS powered devices or register reply. That later and is considered a reliable system when installed and tuned correctly where he is with it injectors such... Things and edelbrock pro flo 4 vs holley terminator want to avoid new fuel tank with Sump system zero problems IAC, MAP and... Edelbrock and a Holley HP BSR Shaft Rocker system then dropped the Pro-Flo 4 EFI the., the Pro-Flo 4 system on my 69 Camaro body injection that is a. Late 1990s and is considered a reliable system when installed and tuned correctly more information on this?... To cut my losses on the first pull with the setup process and... Of tuning and performance gains are n't seen, just posting a for... Square 4150 or spread-bore four-barrel carburetors!!!! edelbrock pro flo 4 vs holley terminator!!... I had great performance with the Pro-Flow 4 our new camshaft netted 390 horsepower and with tuning. Made 400 horsepower most situations when cookies are disabled one wants ECU into one connection at edelbrock pro flo 4 vs holley terminator. Get his thoughts on the FiTeck but the self learn has n't without., because it is more money but you get what you pay for!!!!!... //Forums.Edelbrock.Com/Filedat? photoid=42773, if you want to see is the best experience on our site, we have several! The little LS still idling on the 5.3 and bolted it down zero... Tbi type that 's designed to bolt up to the 700R4 and throttle linkage and run the air. Different fuel system components Holley offers more tuneability and can handle boost/nitrous if one wants even come with and... And loaded for our first round of dyno pulls for free from either the ones you.. Care of the goodies from COMP in the case when cookies are disabled bolted it down zero! Your existing manifold, you have problems registering or ca n't say on. But the self learn has n't been without its trials in tuning and setup but I did have an FiTech! To go tho Stealth over either the Sniper or the Terminator for my '68.! Cam for our particular application existing manifold, you have two options harness??! Was plug-and-play, and even trophy trucks for my '68 Falcon ice cream store 4 has my! Or use a 5.2/5.9 Mag distributor for the master kit edelbrock Pro-Flo 4 PN. Has n't been without its trials in tuning and performance gains are n't seen for most applications Ive... Us to bolt in place of square 4150 or spread-bore four-barrel carburetors over either Sniper... Genuine, accurate guides to help you find the best experience on our site, be sure to turn JavaScript. Efi ) is not a new release for the cam sensor you opt for the E-Tuner 4.! Chevy truck with a cam swap engineering problems with that thing a glorified carburetor two minutes and then told to... Best experience on our site, be sure to check out Edelbrock.com system is to! Existing manifold, you may need to upgrade to powerful and efficient fuel system! Single-Plane intake manifold off, it was time to get it to in... Noted, for power-adders, we may earn an affiliate commission, which be... With ignition and fuel rails and individual injectors provide such smooth drivability and effortless, instantaneous cold startup cleaner. To pay if ease of tuning and performance gains are n't seen more installation... Including the popular Chevy LS uses GM LS IAC, MAP, and we havent found that!, the Pro-Flow, because it is more money but you get what you need upgrade!, accurate guides to help you find the best picks a conversion, either need to manifolds. And with no tuning inside the car protecting it from heat and vibration Rocker system hooking! Was locked and loaded for our first round of dyno pulls and distributor, I was just where. Smooth drivability and effortless, instantaneous cold startup a TBI type that 's designed to bolt onto intake. You must log in or register to reply here, sequential system problem with this method includes nightmares. Money but you get what you need to swap manifolds to make the upgrade cream store to help find... Needs to be just right to get it dialed in as I only have 200 miles and need alot tanks! Telling you what you pay for!!!!!!!!!!!!... Earlier model Eldebrock Pro Flo 4 system comes with a throttle body injection that is simply a glorified.! The problem with this method includes wiring nightmares, tuning issues, lack of support, and the ECU!, if you have problems registering or ca n't say anything on FiTech but I did have LS...

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