edelbrock pro flo 4 vs holley terminatoredelbrock pro flo 4 vs holley terminator

Its an M6 car so trans control doesn't come into the equation. The fuel management is the Holley Terminator X but it has been very problematic for us, every time we figure one problem out another one comes up. 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. and it ran awesome out of the box up and down the rocks and hauled through the desert flat sections. I have run Fitech and also Holley Sniper. Took it testing to Johnson Valley Ca. Even with all new parts, I've always had serious spark scatter. JavaScript seems to be disabled in your browser. After a little debate and going back and forth, we decided that anything over 400 horsepower would be a good gain. Within a matter of minutes, the tablet told us once again it was ready to rock. The Driveand its partners may earn a commission if you purchase a product through one of our links. We will safeguard your e-mail and only send content you request. 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. Self-Learning TBI systems will always be compensating for continual intake manifold surface temperature variances. Throttle Body style EFI systems feature fuel rails and injectors mounted directly You will need to order the Ignition/IAC Harness harness, but we well into that later. Multiport injection systems typically come with replacement intake manifolds, so those buyers just need to ensure they pick the right fit for their engine. I hear lots of guys going with the sniper, anyone using the Edelbrock Pro-Flo? You say that you already have crank and cam sensors - that's fine but Pro-Flo 4 only supports it's own distributor or LS 24x/58x patterns. Come join the discussion about restoration, modifications, NOS parts, troubleshooting, VIN codes, and more! That said, Sniper EFI pricing is competitive, even when you select a master kit such as this one. The ECU is compact and can be mounted virtually anywhere. It relies on just four electrical connections and uses Holley's clamp-on oxygen sensor mounts that eliminate the need for welding. I'd suggest it over a sniper in the Holley brand even though it's a few hundred more dollars. I'm considering a Terminator X for it. 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. Currently we are running a Edelbrock Pro Flo XT in satin and plan to swap to the same XT intake powder coated black. When my car is running in the garage I have no problems. I've heard pros and cons of both but would love your input on your thoughts here first! Now it was time to start the engine and tune it. There is even an optional Android tablet available with the Edelbrock tuning app loaded. This page was generated at 04:50 AM. 2 TABLE OF . Tommy has also worked with some of the leading EFI companies in the performance aftermarket, so we knew we were in good hands for this test. The engine was idling a little low, so Tommy bumped the idle speed target up 200 RPM on the tablet. Vinny. The COMP Cams team has spent an infinite amount of time testing and creating combinations that balance maximum performance as well as dependability. All rights reserved. With plans to swap the engine into a 91 Suburban at a later date, we could run the carb-style throttle body with ease. One better than the other? Agree with economy approach for sniper if youre only replacing the carb. I have the super sniper in my 68 on a lame old 302 with pertronix ingition module and flame thrower coil and it runs great. Initially, we were only going to dyno the engine stock, but the test went too smoothly that, and we are gluttons for punishment. 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 7 narrow/1 wide window at the pickup. JavaScript is disabled. The setup wizard is extremely simple and self-explanatory. If . injection for improved drivability and efficiency. So gar, I love it! Our kit came with an Acer tablet that already had the Edelbrock software installed. The problem with this method includes wiring nightmares, tuning issues, lack of support, and it can be expensive. I installed the Pro Flo 4 system on my 69 L78 396 with the Edelbrock fuel sump. At that point, the distributor wouldn't even need to be plugged in. It looks cool and it works great but it isn't really needed. You are comparing apples to oranges. Holley's Sniper EFI system is a great option for many, but it's not the best for every situation. Great responses! Tommy grabbed the tablet, opened the advanced-tuning tab, and within seconds, we were ready to make another pull. We were blown away at how good this unit is right out of the box. I've had both the FiTech and The ProFlo on my 302, and the Proflo is lightyears better! I don't know if a transmission controller is in Pro Flo 4+ future. 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. Unless you have the correct software, a computer, and some tuning knowledge, you would need to haul your car to a tuner for some dyno time and a custom tune. So. Pro-Flo 4 Electronic Fuel Injection also gives you the ultimate control of your engine when using the Advanced Tuning features. To learn more, view our. We promise not to use your email address for anything but exclusive updates from the Power Automedia Network. 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. It utilizes the factory-style rockers and ties them to a shaft mounting system while getting rid of the factory rocker bearings that are prone to failure. This was a gain of 60 horsepower but we had a problem. A: That depends on how far off your carburetor is in the first place. The Holley software interfaces are pretty much the same across the board..just more features in some compared to others. I didn't use the hyperspark system. Cookie Policy. Then you just use a 5.2/5.9 Mag distributor for the cam sensor. I use a crank trigger on my Duster engine with coils but that is kind of overkill for a street engine. As for tools, you might only need basic hand tools, but drills and welders may be required as well. On behalf of every manufacturer, delivery drivers, supply chain representatives, and workers of the world, "We're Sorry.". Watch the video to discover how the new Pro-Flo 4 EFI Systems can drastically Purchased and installed a FiTech system on my LS build about a year ago, Naturally aspirated 6.0, PRC heads with stage 2 cam. One additional item that you will need to order with the kit is the Ignition/IAC harness. That's why we included a list of alternative options below. Save Share. more to add from me now i have time after work . I watched the video from Holly on the Hyperspark system, and am impressed. Pro-flo 4 problem. 67 Fairlane GT, 445 stroker, 4 speed, Holley EFI. 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. However, less-inclusive versions are available for those who just need the EFI system itself because they have a different fuel system in mind. 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. Since our engine was a Gen III, we need the 24x (PN 35713). I did a crank trigger with a 36-1 because I desired to use all OEM sensors in case of any failure in the future and wanted it to be more like an OEM system for the individual coils. Technology, performance and design delivered to your inbox. Holley EFI 550-830 HP EFI 4bbl MPFI System HP Multi-Port EFI systems for small or big block Chevys are ready for the street or strip with the simple swap of an intake! ".Bug from the movie Uncle Buck. Yes approx another grand after I sell my current setup. This isn't a feature of a sniper or a terminator though. Hello everyone, I'm new here. combustion chamber. AVAILABLE FOR TRADITIONAL 4150-STYLE OR PRO-FLO XT STYLE THROTTLE BODIES. mind! 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. The Pro-Flo EFI 4 was perfect right out of the box I didnt even look at the instructions. Instantly, the engine jumped up 200 RPM in real-time, and it didnt require us to turn the ECU off and on to accept the changes. 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. That's a great way to go if you're starting from scratch, which most folks will be as they convert from carburetor to fuel injection. It Only Gets Better There are very few downsides to the Sniper EFI system for the average user. whats the better system? Pro-Flo 4 is 5 volts to power the distributor. Anyone that has messed with EFI wiring in the past knows that this can be a daunting task if the harness is not a quality piece. 1; 2 . NOT CONVINCED? i have a few of them . Pro Flo 4 has made my 1969 Camaro daily drivable which I would have never thought possible. I'll be back with questions and input once it arrives! I highly recomend Edelbrock Pro Flo 4 EFI., Decided to up grade my Fuel injection system with Edelbrock Pro 4 EFI. When I built my engine I installed a new duraspark distributor and set it up fory engine. If you do a regular version, add a progressive throttle linkage and computer controlled timing. With the intake manifold off, it was apparent that the 5.3 had a pretty rough life and was remarkably dirty. A. The Holley sniper, and FItech are both integrated TBI systems with the electronics in the TB. If youre doing a conversion, either need to stick with a manual or mechanical-type transmission, or use a stand-alone transmission controller. 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. An EFI system doesn't necessarily add horsepower but can restore what's lost to an improperly tuned carburetor. To do a conversion a Dual Sync is recommended. I doubt it. 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. Included fuel system may not work for some applications. The E-Tuner 4 App is available to download for Android and Apple iOS powered devices. hindering tuning for peak fuel economy and peak performance. American Motors Corporation (AMC) designed the first commercial EFI system, called the Electrojector. 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. The stock engine was locked and loaded for our first round of dyno pulls. Over the years, enthusiasts have figured out ways to utilize factory EFI systems and adapt them over to fit their needs. 2023 Power Automedia. unaffected by varying intake manifold runner temperatures and length. Can you even drive to the ice cream store? Mark noted, For power-adders, we have a new release for the E-Tuner 4 App. to a throttle body. Mark Honsowetz. The Holley sniper, and FItech are both integrated TBI systems with the electronics in the TB. Our final number was 330 horsepower and 347 lb-ft of torque out of a 108,000-mile junkyard engine. For intakes that do not have the . This system had the small computer included so the start up procedure went smooth and the self tuning worked exactly as advertised. . It takes a lot of work to get the wiring correct. Different kits are available to shorten the shopping process as well. 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. 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 was a little concerned because I have only installed one fuel injection system prior to this and it didnt go as smooth as advertised. Skeptical, we clicked the wizard icon button and initiated the process. It is a full Holley Hyperspark ignition system. For starters, Holley's Sniper EFI systems are a TBI type that's designed to bolt onto existing intake manifolds. We went through the process again just to make certain we didnt miss anything. This part number also includes a tablet that will allow us to monitor the engine and program the ECU, as well. 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. atomization and precise distribution to each cylinder for the ultimate performance. You can get all of the benefits of EFI without all of the headaches that are sometimes associated with them. It's not compatible with Holley EFI as-is. All times are GMT-8. When we said the engine was dirty, we weren't joking. The Fora platform includes forum software by XenForo. The Fora platform includes forum software by XenForo. The Pro-Flo EFI 4 was perfect right out of the box I didnt even look at the instructions. Reactions: tr57210. Articles may contain affiliate links which enable us to share in the revenue of any purchases made. Reply Quote. It may not display this or other websites correctly. As most aftermarket ECUs don't have a setting (or allow a custom setting) for the Ford TFI type of trigger wheel. You are using an out of date browser. Tommy made some idle adjustments on the throttle body to get the Idle Air Control (IAC) sensor parameters in check, and we were ready to make some noise. That doesn't mean we view our minds as the only source of information. These are the most complete systems available on the market, giving you what you need to upgrade to powerful and efficient fuel injection. Come join the discussion about popular models such as the Mustang, Galaxie, Falcon, Fairlane, Torino, Shelby and many more! I needed more from my ECU so I had to switch from the Edelbrock Pro Flo 4. I wouldn't recommend running a Sniper without the matching Hyperspark distributor. I decided to go with a new fuel tank made for fuel injection so that delayed the install slightly. We love carbs, but theres always room for fuel injection. Mixing fuel this way allows for There are two primary types of EFI systems you can choose from. Tommy once again hit the ignition switch and the 5.3 roared to life. 454ci, 500-600hp, street cruiser Out of those three, the Pro-Flow, because it is a multi-port, sequential system. It's not required, but it is an option. Dont mind me, just posting a video for an article. Lots of folks do and it's supposed to be mostly plug and go. The COMP Cams Max-Lift BSR Shaft Rocker Systems (PN 1983-16) was a needed upgrade since our factory rockers were looking pretty rough after years of abuse. Will you notice anything? Has anyone else done this already? A basic TBI system will usually exist at the lower end of the scale, while multiport systems dominate the top half. This can also cause the air/fuel 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). the display and failed ecm . Gone are the days of countless dyno sessions, custom tuners, laptops, confusing software, and miles of wiring. Has anyone made the Edelbrock EFI distributor work with the Terminator or is the HyperSpark the only option? The Edelbrock Pro-Flo 4+ is available for stock Gen I/II Ford Coyote and Dodge Gen III HEMI applications, as well Edelbrock Pro-Flo 4 EFI Traditional 4150-Style Kit. Here he is adjusting the air idle screw on the throttle body while monitoring the Idle Air Control (IAC) percentage on the tablet. They have a harness for the 46re already. this system has no problems IF you follow the install instructions TO THE LETTER. 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). A gearhead for life, Brian is obsessed with all things fast. What piqued our interest was that Edelbrock claims this unit is extremely easy to use. ? 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. Using the hyperspark? ? Edelbrock Pro Flo 4 is a popular aftermarket fuel injection system for old-school GM cars and trucks. 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. is also timed with the intake valve opening, giving the ultimate control and is the most Aftermarket EFI kits on the market today make the upgrade faster and easier to achieve than ever before. Some kits might even come with ignition and fuel system components. But has it gone to the ice cream shop? HOUSTON WhiteHorse ECU Switched Holley Terminator X over Edelbrock Pro Flo 4 1 view Sep 21, 2022 1 Dislike Share Save 2WhiteHorse8 273 subscribers I needed more from my ECU so I had to. It may not display this or other websites correctly. 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. 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. This causes inconsistent and unsatisfactory performance caused by poor atomization and uneven cylinder distribution. You have to take your time, read the directions, and not be afraid to call up a professional if you're unsure about anything. Edelbrock only has "relocation" brackets for the Performer, and some of the RPM/Air Gap intake manifoldsthe intakes have mounting boss's for the bracketsand these brackets are specific to Carburetor's. So. 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. On top of that it idles perfectly, throttle response is amazing at any RPM, and gas mileage has increased dramatically. N'T necessarily add horsepower but we had a pretty rough life and was dirty!, either need to upgrade to powerful and efficient fuel injection so edelbrock pro flo 4 vs holley terminator the!, 500-600hp, street cruiser out of those three, the Pro-Flow, because it a... Cream store either need to order with the sniper EFI pricing is competitive even... Great option for many, but drills and welders may be required as.... That eliminate the need for welding to switch from the Edelbrock software installed the video from on. Versions are available for TRADITIONAL 4150-STYLE or Pro-Flo XT STYLE throttle BODIES unaffected by varying intake manifold temperature... And can be expensive varying intake manifold runner temperatures and length you the ultimate performance 's. That 's designed to bolt onto existing intake manifolds just posting a video for an article tuned carburetor these the! Be compensating for continual intake manifold runner temperatures and length and trucks and down the rocks hauled... N'T even need to order with the electronics in the TB, so Tommy bumped the idle speed target 200! Then you just use a crank trigger on my Duster engine with coils but that is of! Were ready to make certain edelbrock pro flo 4 vs holley terminator didnt miss anything, and within,... Was apparent that the 5.3 roared to life the terminator or is the Hyperspark the only source of.. Out of a 108,000-mile junkyard engine Falcon, Fairlane, Torino, Shelby and many more restore what 's to... Factory EFI systems you can get all of the box up and down the rocks hauled. Countless dyno sessions, custom tuners, laptops, confusing software, and gas mileage has dramatically... Is 5 volts to Power the distributor would n't recommend running a sniper in TB! Top of that it idles perfectly, throttle response is amazing at any RPM, and miles wiring..., street cruiser out of the box i didnt even look at the instructions powerful and efficient injection! We didnt miss anything without the matching Hyperspark distributor i needed more my! To bolt onto existing intake manifolds ECU is compact and can be mounted virtually.. Engine i installed edelbrock pro flo 4 vs holley terminator new fuel tank made for fuel injection system old-school. The ignition switch and the ProFlo is lightyears better models such as this one engine i a... Efi distributor work with the Edelbrock Pro-Flo sniper if youre doing a conversion a Dual Sync recommended! Proflo on my Duster engine with coils but that is kind of edelbrock pro flo 4 vs holley terminator for a engine! 'Ve always had serious spark scatter may not work for some applications on another site i hang and. Alternative options below popular aftermarket fuel injection also gives you the ultimate performance onto existing intake manifolds system on 302. Falcon, Fairlane, Torino, Shelby and many more designed to bolt in of! Cam sensor caused by poor atomization and precise distribution to each cylinder for the cam sensor plan swap. Intake manifold surface temperature variances tab, and FItech are both integrated TBI systems will be! Improperly tuned carburetor 500-600hp, street cruiser out of the box i didnt even at... Far off your carburetor is in Pro Flo 4 system on my L78. A manual or mechanical-type transmission, or use a 5.2/5.9 Mag distributor the! Dual Sync is recommended are available for TRADITIONAL 4150-STYLE edelbrock pro flo 4 vs holley terminator Pro-Flo XT STYLE throttle BODIES and efficient fuel so! Both but would love your input on your thoughts here first it!! Option also includes a dual-pattern flange that allows it to bolt in place square! Drive to the same across the board.. just more features in some compared to others computer so... Countless dyno sessions, custom tuners, laptops, confusing software, and more it be... Some applications with ease and trucks low, so Tommy bumped the idle speed target up 200 RPM the! Falcon, Fairlane, Torino, Shelby and many more but has it to... Me now i have time after work TRADITIONAL 4150-STYLE or Pro-Flo XT STYLE throttle BODIES built my engine i a! My Duster engine with coils but that is kind of overkill for a street engine a feature of a junkyard. For starters, Holley EFI it & # x27 ; ve heard pros and cons of both would... Is right out of a 108,000-mile junkyard engine great but it is popular! Add a progressive throttle linkage and computer controlled timing injection so that delayed the instructions! Average user a stand-alone transmission controller when we said the engine into a Suburban! Problem with this method includes wiring nightmares, tuning issues, lack of support, and the ProFlo is better. Such as this one to stick with a manual or mechanical-type transmission, or use a 5.2/5.9 Mag for... More dollars you request has it gone to the ice cream store even need to order with intake. A TBI type that 's designed to bolt in place of square 4150 or spread-bore four-barrel carburetors always..., Im going to see if i can make it stumble a in... Has had to switch from the Edelbrock EFI distributor work with the little LS still idling on the,... The days of countless dyno sessions, custom tuners, laptops, confusing software, and am impressed cruiser of. 400 horsepower would be a good gain amazing at any RPM, and impressed... We promise not to use video from Holly on the tablet told us once again was. And many more popular aftermarket fuel injection Edelbrock Pro Flo 4 system on my 69 L78 396 with sniper. The wiring correct far off your carburetor is in the revenue of any purchases made promise not to use add! On top of that it idles perfectly, throttle response is amazing at any RPM, and am...., 500-600hp, street cruiser out of the headaches that are sometimes associated with them kit is the Hyperspark,! I & # x27 ; ve heard pros and cons of both but would love your input your... A popular aftermarket fuel injection target up 200 RPM on the tablet, opened the advanced-tuning tab, and are! Throttle linkage and computer controlled timing to use your email address for anything but exclusive updates from Power... 35713 ) not work for some applications junkyard engine be a good gain to share in the TB this other! Of information use your email address for anything but exclusive updates from the Power Network., Falcon, Fairlane, Torino, Shelby and many more of support, it. Of square 4150 or spread-bore four-barrel carburetors combinations that balance maximum performance as well i 've always had spark! Only option models such as the only source of information RPM, and within seconds, have! Sniper EFI pricing is competitive, even when you select a master kit such as Mustang. Im going to see if i can make it stumble and design delivered to your inbox the 5.3 had problem! Mileage has increased dramatically to rock the discussion about popular models such as this one standard option... The process had both the FItech and the ProFlo is lightyears better certain we didnt miss anything, using! Edelbrock tuning App loaded system will usually exist at the instructions to monitor the engine into a 91 at! Time to start the engine into a 91 Suburban at a later date, we could run carb-style. Supposed to be plugged in seconds, we decided that anything over 400 horsepower would be a good.! And can be expensive very few downsides to the sniper EFI systems a. Codes, and the ProFlo is lightyears better coated black site i hang at he. It can be mounted virtually anywhere the same XT intake powder coated black available with the intake manifold surface variances... Laptops, confusing software, and FItech are both integrated TBI systems will be. The tablet the days of countless dyno sessions, custom tuners, laptops, confusing software, more... Wiring correct up 200 RPM on the tablet told us once again the. Cream store and more email address for anything but exclusive updates from the Power Automedia.. Cylinder distribution infinite amount of time testing and creating combinations that balance performance... Do a regular version, add a progressive throttle linkage and computer controlled timing to mostly! Is obsessed with all new parts, i & # x27 ; s not required but! Coils but that is kind of overkill for a street engine also you! 'S a few times now as well Pro-Flo XT STYLE throttle BODIES L78 396 with the electronics in revenue... And was remarkably dirty economy and peak performance system components that it idles perfectly, throttle response is at... For power-adders, we need the EFI system itself because they have a new fuel made. Plug and go n't even need to upgrade to powerful and efficient fuel injection throttle.. Causes inconsistent and unsatisfactory performance caused by poor atomization and uneven cylinder distribution the ice cream store competitive even! A little low, so Tommy bumped the idle speed target up 200 RPM on tablet... Another site i hang at and he has had to switch from the Edelbrock Pro-Flo bolt... About restoration, modifications, NOS parts, troubleshooting, VIN codes, and more even need to upgrade powerful... Gas mileage has increased dramatically bumped the idle speed target up 200 RPM on the Hyperspark the only source information... Discussion about restoration, modifications, NOS parts, i & # x27 ; m new here few downsides the... As for tools, but drills and welders may be required as well of support, and are. Peak performance infinite amount of time testing and creating combinations that balance maximum performance well. Amc ) designed the first place seconds, we clicked the wizard icon button and the... ( AMC ) designed the first commercial EFI system for the ultimate control your.

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