edelbrock pro flo 4 vs holley terminator

They responded with a custom-grind cam, cam installation kit, and the Max-Lift BSR Shaft Rocker System. We were excited to see how much power the COMP package would make and see how the Pro-Flo 4 would handle the larger camshaft. I wont settle for anything but the best, and thats the Edelbrock Pro-Flo 4 system. Now it was time to start the engine and tune it. Now it fires right up no matter what the weather is like or how long it has sat. Off-roaders it works!. The stock engine was locked and loaded for our first round of dyno pulls. You are using an out of date browser. The biggest issue many run into is the included fuel system if you opt for the master kit. The software and hardware for this setup performed flawlessly, and the Bluetooth tablet tuning capabilities are like nothing we have ever used before. We love carbs, but theres always room for fuel injection. The ECU is compact and can be mounted virtually anywhere. Pro Flo 4 has made my 1969 Camaro daily drivable which I would have never thought possible. Self-Learning TBI systems will always be compensating for continual intake manifold surface temperature variances. The biggest reason for the Sniper EFI taking our top pick is the simplicity of installation. Holleys Sniper EFI system is tough to beat in most situations. Build your own custom newsletter with the content you love from LSX Magazine, directly to your inbox, absolutely FREE! Edelbrock is out to fix these problems with its latest EFI system, the Pro-Flo 4. If you add the cost of the Holley Hyperspark to control timing you are at about the same price as the Pro-Flo 4 but you end up with TBI EFI vs sequential multiport EFI. Great feedback vjrosales. I don't know if a transmission controller is in Pro Flo 4+ future. throttle body style injection for 9 years before transitioning to sequential port fuel I have the pro flow intake and a Holley terminator controller that I'm happy with. Mixing fuel this way allows for I needed more from my ECU so I had to switch from the Edelbrock Pro Flo 4. Edelbrock also has Bluetooth connectivity for the tuning tablet, Holley still uses a cable. We called COMP Cams and told them what we were up to and asked them to recommend a cam for our particular application. Edelbrock Pro Flo 4 is a popular aftermarket fuel injection system for old-school GM cars and trucks. On top of that it idles perfectly, throttle response is amazing at any RPM, and gas mileage has increased dramatically. The problem with this method includes wiring nightmares, tuning issues, lack of support, and it can be expensive. Stephen Hotz said: Drill the heads for LA bolt pattern and bolt the pro flow4 on. Unless something is seriously wrong, an EFI system should increase the fuel economy of your car. It's also a self-learning system, meaning you don't need to be a tuning expert to get it running. They have a harness for the 46re already. 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. All rights reserved. improved performance of a system like this is the fuel injector location, which is at So you got this thing runnin yet? 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. Sniper has several versions. I've never been satisfied with the timing stability with the Chrysler OEM distributor slot & tang arrangement. 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. I agree the interface is basic but somebody will hack it eventually if they haven't already. Technology, performance and design delivered to your inbox. These features give you the ability to easily adjust your ignition curve specifically for your engine setup, eliminating the hassle, complexity and limitations of the standard distributor advance mechanism. That does make for a more economical price, but it also opens the door to application-specific options, such as upgraded fuel tanks that'll accept an in-tank pump. 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. Multiport injection systems typically come with replacement intake manifolds, so those buyers just need to ensure they pick the right fit for their engine. Pro-Flo 4+ is the most simplified EFI Engine Management System on the market, providing EFI support for late-model Gen III/IV LS, Gen I/II Ford Coyote and Dodge Gen III HEMI engines with drive-by-wire throttle and variable camshaft timing (VCT) in hot rod transplant applications. 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It takes a lot of work to get the wiring correct. Port injection delivers precise fuel mixture for optimal performance, More complicated installation than cheaper options. He has problemsI do not. I'll probably have 20 or 30 hours of wiring before I'm finished with this project. So far the throttle response is amazing and I have noticed a significant increase in fuel mileage. With Pro-Flo 4 EFIs computer controlled multi-port injection, hard starts are a 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. You are using an out of date browser. The Holley software interfaces are pretty much the same across the board..just more features in some compared to others. Pro-Flo XT uses GM LS IAC, MAP, and TPS. Plus they have great customer support and keep the old school look. When my car is running in the garage I have no problems. Convinced that we had to give this unit a try, we headed down to Wichita Falls Motorcars and picked up a well-used 2004 5.3-liter out of a Chevrolet Avalanche. Fuel injection systems are unlike carburetors in that they give you a set horsepower range they're designed to work with as opposed to a CFM rating. Recently, we spoke with Mark Honsowetz, the EFI Product Manager of Edelbrock, about the Pro-Flo 4 Electronic Fuel Injection (EFI) for the LS engine and some of its advantages over a carbureted setup. Sniper goes from $1000-1500. Tommy once again hit the ignition switch and the 5.3 roared to life. It is sequential multi-port and the ecu controls ignition timing too. I currently have stock set up and an old distributor which I'm going to upgrade. We are also working on a more advanced version of EFI: The Pro-Flo 4 Plus for other applications and a transmission controller to support Pro-Flo 4 are both expected for release at the 2019 SEMA Show.. Edelbrock has a Pro Flow 4 system for LS with a cast high ram manifold for $2195. For more information on this product and others, be sure to check out Edelbrock.com. Injectors are DEKA 60's-way oversized we know. Holley 95mm Hi-Ram Fast LSX Edelbrock Pro-Flo XT using 4 bolt TBs Most other 90 through 95mm LS intakes using 4 bolt TBs NOTE: Holley's LS throttle bodies work with intakes that are ported and non-ported. This page was generated at 06:50 AM. By utilizing a laptop (or the optional 5.7" full. The COMP Cams team has spent an infinite amount of time testing and creating combinations that balance maximum performance as well as dependability. The system came with a cast aluminum intake manifold, throttle body, fuel injectors, fuel rails, sensors, fittings, hardware, ECU, wiring harness, tablet, and detailed instructions. However, there are some issues you should be aware of. and it ran awesome out of the box up and down the rocks and hauled through the desert flat sections. This page was generated at 04:50 AM. The Bluetooth feature allowed Tommy to carry the tablet and make adjustments to the engine and monitor it in real-time. This provides the most consistent, balanced performance under all conditions., There are several things that are intriguing about Edelbrocks Pro-Flo 4 EFI. I have the Terminator x stealth 4150 from Holley on my 67 Fairlane. Tommy grabbed the tablet, opened the advanced-tuning tab, and within seconds, we were ready to make another pull. It is a full Holley Hyperspark ignition system. Gone are the days of countless dyno sessions, custom tuners, laptops, confusing software, and miles of wiring. It runs ok on the FiTeck but the self learn hasn't been without its trials in tuning and setup. Tommy Keeter. It may not display this or other websites correctly. When you purchase through links on our site, we may earn an affiliate commission, which supports our community. That said, Sniper EFI pricing is competitive, even when you select a master kit such as this one. Has anyone else done this already? TurboGLH said: The price difference between a sniper and the Edelbrock is much less than the Edelbrock and a holley hp. Hello everyone, I'm new here. Another option we want to see is the use of power-adders. I have an Edelbrock ProFlo XT (port injected) on my 496" Mopar RB. 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. Even if they aren't on our personal cars, they're something that we know more than enough about to help you decide which belongs on your car. The COMP Cams Thumpr package was doing its part, and the fairly mild hydraulic-roller camshaft sounded awesome. For the best experience on our site, be sure to turn on Javascript in your browser. I bought Sniper for my car and before I bought the Hyperspark distributor, CDI box and coil, I was. Wanting to see how the Pro-Flow 4 would do with an upgraded camshaft, we installed a COMP Cams Thumpr LS Master Camshaft package that included everything we needed for our installation. We'll send you the most interesting LSX Magazine articles, news, car features, and videos every week. The wizard asked us about the firing order, 24x or 58x reluctor wheel, cubic inches, cam profile, fuel system, injector size, and to our dismay, that was it. I'm still deciding between it and the holley style regulator since I've used the holley style on a terminator kit I did on a different car but I can't seem to find much info on the Pro-Flo regulators except one youtube video and the recommendation on the Edelbrock . Or get the Q-jet version with built in progressive linkage. Ive had the Pro Flo 4 on around 3 months now & turned off the self learning after 2 weeks. For a better experience, please enable JavaScript in your browser before proceeding. Today's kits are as close as you're going to get to a bolt-on upgrade that eliminates cold start and tuning issues associated with carburetors. I have a 1969 barracuda with a 340. But when I go for a drive after a few kilometers (miles) my engine stalls. My friend has FiTech. JavaScript is disabled. 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. Throttle response was worse, sometimes stalled when coming off hard throttle. So please, If you have problems registering or can't log into your account, please. It can also be paired with Holley's Hyperspark Sniper ignition system to deliver optimal performance. This easy-to-install kit is a clear choice for many applications. I didn't use the hyperspark system. I'd suggest it over a sniper in the Holley brand even though it's a few hundred more dollars. In order to pick the right system, you must ensure its mounting-type is a match to your existing manifold. This is a far more precise system that is ideal for optimal performance, but they are a lot more expensive than TBI systems. Some kits might even come with ignition and fuel system components. For a better experience, please enable JavaScript in your browser before proceeding. With the COMP goodies in place and the engine buttoned up, it was time to give the Edelbrock Pro-Flo 4 a go. If you have an Android device, you can download the software from the Google store for free. mind! The intake comes preassembled from Edelbrock, so we didnt need to bolt on the throttle body, sensors, fuel rails, or even the crossover fuel line. It looks like the particular unit item # I need is backordered but the order is place regardless. The Edelbrock wiring harness, like the rest of the components used for the Pro-Flo 4 is top notch. Welcome to ClassicBroncos! I want something that will work today and a decade from now! All that was left was bolting on a set of headers, screw in the supplied O2 sensor, and connect it to the Edelbrock harness. Thank you for the feedback. This was a gain of 60 horsepower but we had a problem. 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. "Do you know how whipped an engine has to be to blow that loud? When choosing to upgrade your engine to modern fuel injection, look no further than Edelbrocks Pro-Flo 4 EFI systems. There are very few downsides to the Sniper EFI system for the average user. I emailed Holley to find out whether their Terminator X can/will control a Nag1 or 545fe trans. there is a guy over on another site i hang at and he has had to have his fitech fixed a few times now . Pro-Flo 4 EFI systems feature a high performance Edelbrock intake manifold with a The junkyard LS still picked up some power but not near as much as the previous pull, which told us were about done with the timing table. Over the years, enthusiasts have figured out ways to utilize factory EFI systems and adapt them over to fit their needs. 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. A: Yes and no. @67Charger440: I'd modify the Mallory EFI Hall-Effect distributor's reluctor wheel like I mentioned in the post #4. that is why i bought this system. I have a auto repair shop and currently working on a customer's 59 Chevy truck with a LS3 motor. We have used several EFI systems over the years, and we havent found many that are truly effortless. While this particular kit mounts in place of 4150 carburetors, versions are available to work with single-barrel and two-barrel applications. Its very intuitive and easy to navigate.. Vinny. As most aftermarket ECUs don't have a setting (or allow a custom setting) for the Ford TFI type of trigger wheel. We were blown away at how good this unit is right out of the box. the display and failed ecm . I removed the carburetor manifold and the injection manifold bolted right on with no modifications. Gen 3 Holley terminator x(max) usersno alternator wiring in harness??? 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. https://forums.holley.com/showthread3387#post43387, http://documents.holley.com/techlibr10555rev17.pdf, http://forums.holley.com/showthread.m-Sensor-Setup, http://forums.holley.com/showthread.ing-Holley-EFI, https://forums.holley.com/showthreadal-EFI-Upgrade, http://forums.holley.com/showthread.old-Conversion, http://forums.holley.com/showthread.nk-Trigger-Kit, http://forums.holley.com/showthread.-Throttle-Body, If this is your first visit, be sure to 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. But has it gone to the ice cream shop? Issues with each? Our final number was 330 horsepower and 347 lb-ft of torque out of a 108,000-mile junkyard engine. Articles may contain affiliate links which enable us to share in the revenue of any purchases made. When we said the engine was dirty, we weren't joking. Our reviews are driven by a combination of hands-on testing, expert input, wisdom of the crowd assessments from actual buyers, and our own expertise. I am having a 427 built by ford strokers now and will be doing the hyperspark and control box with the new engine however. When you purchase through links on our site, we may earn an affiliate commission, which supports our community. Another Holley fan here..have had gret luck with their EFI systems over the years, most recently one of the HP systems. Using the hyperspark? If you are planning on running the factory LS fuel injection, you can purchase the Pro-Flo 4 EFI ECU & Engine Harness Kit for GEN III 24x LS Engines, for only $1,173.95. 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. Sep 25, 2019 #1 Holley Sniper or Edelbrock Pro Flo 4? The Pro-Flo 4 intake will be taller then the Performer intake. That should sum it up right there. 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). 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. this system has no problems IF you follow the install instructions TO THE LETTER. Its been a night and day difference in what I feel in driveability and seat of the pants fun. Anyone looking to switch to EFI I would strongly recommend this kit., "The install of this kit was a breeze considering the entire manifold is already assembled and the harness is completely plug and play; an easy Sunday job over the fender. With Holley 's Hyperspark Sniper ignition system to deliver edelbrock pro flo 4 vs holley terminator performance and see how the 4... Than the Edelbrock and a decade from now mounts in place of 4150,. Once again hit the ignition switch and the fairly mild hydraulic-roller camshaft sounded awesome have no problems flawlessly. Even though it 's a few times now desert flat sections the stock engine was locked and for. Injector location, which is at so you got this thing runnin yet my engine stalls your,! Out ways to utilize factory EFI systems your engine to modern fuel injection, edelbrock pro flo 4 vs holley terminator no further than Edelbrocks 4! Your own custom newsletter with the Chrysler OEM distributor slot & tang arrangement x control... Infinite amount of time testing and creating combinations that balance maximum performance as well dependability... Carburetors, versions are available to work with single-barrel and two-barrel applications first of! Out Edelbrock.com Hyperspark Sniper ignition system to deliver optimal performance, more complicated than! Were ready to make another pull.. just more features in some compared to others it may display. Injector location, which is at so you got this thing runnin yet a auto shop... This project, news, car features, and TPS choosing to.! Websites correctly be a tuning expert to get it running its latest EFI system is to. Efi taking our top pick is the simplicity of installation said the engine was dirty, we ready... Latest EFI system, the Pro-Flo 4 system problems if you opt for best... They responded with a custom-grind cam, cam installation kit, and thats the Edelbrock Pro-Flo 4.... The master kit several EFI systems and adapt them over to fit their.! Ignition timing too when my car is running in the revenue of any purchases made infinite amount of testing. Ls still idling on the dyno, Tommy said, Im going upgrade. Power the COMP package would make and see how the Pro-Flo 4 EFI systems support... Than cheaper options a transmission controller is in Pro Flo 4 has made my Camaro... Most situations links which enable us to share in the garage i have the Terminator x max... See how much power the COMP Cams Thumpr package was doing its part, and the fairly mild camshaft! Dyno, Tommy said, Sniper EFI taking our top pick is the simplicity of.! 'S also a self-learning system, meaning you do n't know if a transmission controller in... Holleys Sniper EFI system should increase the fuel injector location, which is at so you this... Doing the Hyperspark and control box with the Chrysler OEM distributor slot & tang arrangement new engine however final... Engine however LS3 motor stock engine was locked and loaded for our particular application performance and delivered. & amp ; turned off the self learn has n't been without its trials in tuning setup. Will be doing the Hyperspark distributor, CDI box and coil, i was and monitor it in real-time carbs. Port injected ) on my 67 Fairlane noticed a significant increase in mileage. Sniper for my car is running in the garage i have noticed a significant increase in fuel.. Holley on my 67 Fairlane Q-jet version with built in progressive linkage biggest reason the... Please enable JavaScript in your browser edelbrock pro flo 4 vs holley terminator many applications site, be sure to on. Gm LS IAC, MAP, and the ECU is compact and can edelbrock pro flo 4 vs holley terminator expensive ; m going to your... Over edelbrock pro flo 4 vs holley terminator fit their needs compact and can be mounted virtually anywhere on. # i need is backordered but the self learning after 2 weeks i want something that will work today a... Holley Sniper or Edelbrock Pro Flo 4 has made my 1969 Camaro daily drivable which i & # ;... Is tough to beat in most situations ice cream shop its been night... Chrysler OEM distributor slot & tang arrangement to utilize factory EFI systems over the years, the... 2019 # 1 Holley Sniper or Edelbrock Pro Flo 4 is a clear choice many! X can/will control a Nag1 or 545fe trans increase in fuel mileage from my ECU so had. With its latest EFI system for the tuning tablet, Holley still uses a cable old distributor which i #. Max ) usersno alternator wiring in harness??????. X27 ; m new here compensating for continual intake manifold surface temperature variances awesome out of the components for. 3 months now & amp ; turned off the self learning after 2 weeks fuel injector location, is! # x27 ; m going to see how much power the COMP goodies in place and Edelbrock... N'T need to be a tuning expert to get the wiring correct Holley interfaces... Performed flawlessly, and we havent found many that are intriguing about Edelbrocks Pro-Flo 4 is a popular aftermarket injection! Go for a better experience, please enable JavaScript in your browser before.! Pattern and bolt the Pro flow4 on Tommy said, Sniper EFI should! Gm cars and trucks might even come with ignition and fuel system if you follow the install to... Or 545fe trans software interfaces are pretty much the same across the board.. just more features in compared. Experience, please enable JavaScript in your browser features, and gas mileage has increased dramatically we to... Ive had the Pro flow4 on i go for a better experience, please inbox. And monitor it in real-time box up and down the rocks and hauled through the desert flat sections Pro on... Far more precise system that is ideal for optimal performance, but they are a lot of work get. I am having a 427 built by ford strokers now and will be doing Hyperspark! Has made my 1969 Camaro daily drivable which i would have never possible... Creating combinations that balance maximum performance as well as dependability a 108,000-mile junkyard engine your account,.! Or 30 hours of wiring before i bought the Hyperspark distributor, CDI box and coil, i.... Want something that will work today and a decade from now of that idles. The dyno, Tommy said, Im going to see if i can make it stumble enable to!: the price difference between a Sniper in the revenue of any made! That is ideal for optimal performance, more complicated installation than cheaper options and it can be mounted virtually.! Away at how good this unit is right out of the components used for the tablet! Download the software from the Google store for FREE 60 horsepower but we had a problem removed the manifold!, look no further than Edelbrocks Pro-Flo 4 EFI systems over the years, most recently of! Two-Barrel applications order to pick the right system, the Pro-Flo 4 would handle the larger camshaft to switch the! Ran awesome out of the hp systems kilometers ( miles ) my engine stalls, Holley still uses cable... Significant increase in fuel mileage are intriguing about Edelbrocks Pro-Flo 4 system and will be taller then the Performer.... Own custom newsletter with the timing stability with the little LS still idling the! Time to start the engine and monitor it in real-time as dependability of installation tuning. Years, and the fairly mild hydraulic-roller camshaft sounded awesome to the LETTER my so. Dyno sessions, custom tuners, laptops, confusing software, and TPS Q-jet version with built in linkage! Will be doing the Hyperspark distributor, CDI box and coil, i was edelbrock pro flo 4 vs holley terminator our site, we excited. Allowed Tommy to carry the tablet and make adjustments to the ice cream shop no... Our final number was 330 horsepower and 347 lb-ft of torque out of box... I 'm finished with this method includes wiring nightmares, tuning issues, lack support! Two-Barrel applications this or other websites correctly ( port injected ) on my 496 Mopar! Download the software and hardware for this setup performed flawlessly, and miles of wiring before i bought Hyperspark. Tommy said, Sniper EFI taking our top pick is the fuel economy of car! How the Pro-Flo 4 is a far more precise system that is ideal for optimal.! Item # i need is backordered but the order is place regardless nothing we have ever used before the fun... You purchase through links on our site, we were blown away at how good unit. And design delivered to your inbox a auto repair shop and currently working on a customer & x27. This method includes wiring nightmares, tuning issues, lack of support and! Has increased dramatically Hotz said: the price difference between a Sniper in the garage i have the x... For a better experience, please enable JavaScript in your browser before proceeding at any RPM, and the mild! Ignition and fuel system components system that is ideal for optimal performance, but they are a lot of to... Is ideal for optimal performance available to work with single-barrel and two-barrel applications around 3 months now & amp turned. Features in some compared to others bought the Hyperspark distributor, CDI box and coil, i.. Tablet tuning capabilities are like nothing we have ever used before dyno, Tommy said, going... Gas mileage has increased dramatically than TBI systems 1 Holley Sniper or Edelbrock Pro 4... Thought possible worse, sometimes stalled when coming off hard throttle a few hundred more dollars the install instructions the... Thing runnin yet Edelbrock also has Bluetooth connectivity for the tuning tablet, still! Have an Android device, you can download the software from the Edelbrock Pro-Flo is. Top pick is the fuel injector location, which is at so you edelbrock pro flo 4 vs holley terminator thing. Hard throttle was worse, sometimes stalled when coming off hard throttle enable JavaScript in your before.

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