- Mark Honsowetz Hyperspark distributor, coil and ignition box. Our final number was 330 horsepower and 347 lb-ft of torque out of a 108,000-mile junkyard engine. 2023 Power Automedia. Holley also offers a long list of application-specific components designed to work with the EFI system that will help it feel right at home in your classic. As with our proven Pro-Flo 4 EFI, the advanced plug-and-play Pro . The junkyard 5.3 made 440 horsepower at 6,200 rpm and 400 lb-ft of torque at 4,800 rpm. For intakes that do not have the . If . I did the same thing on my 512. I assume you are talking about for a GEN3 Hemi install? I've been running the Holley Terminator on a 393 since right after it came out in 2013. To learn more, view our. ProjectX did you know Edelbrock sells a regulator (one for 43, the other for 58 PSI) that cleanly bolts to the Pro-Flo fuel rail? For the best experience on our site, be sure to turn on Javascript in your browser. starts. Copyright 2022 Holley Performance Products, Inc. All right reserved. Pro-Flo 4 Electronic Fuel Injection also gives you the ultimate control of your engine when using the Advanced Tuning features. 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 the end of the runner on the intake manifold right before the air flow stream enters the It looks cool and it works great but it isn't really needed. I shot this video back in 2019 so yes it has been running and driving for over a year. 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. 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JavaScript is disabled. So my vote is Holley. 1,000 That price likely wont cover everything, though. If you do a regular version, add a progressive throttle linkage and computer controlled timing. I have done 3 Pro-Flo installs on older Mopar engines and I am super happy with their product and support.. cfm throttle body, fuel rails and individual injectors for each cylinder. (which is what the Holley Terminator is) is going to be more powerful and have better drivability than just about any carb. Depending on the year of the engine you will either need a 24x or a 58x reluctor wheel harness. injection for improved drivability and efficiency. JavaScript is disabled. You are using an out of date browser. 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. Using the hyperspark? 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. This causes inconsistent and unsatisfactory performance caused by poor atomization and uneven cylinder distribution. Very clean looking. Its very intuitive and easy to navigate.. With our junkyard test engine on the stand, we started removing everything we didnt for the Edelbrock Pro-Flo 4 EFI system. They also have some cheap high ram manifolds, as does Holley. I feel your pain as I had to spend another grand but to me it has been well worth it. Your build and personal preferences might require something else. Key to the improved performance of a system like this is the fuel injector location, which is at the end of the runner on the intake manifold right before the air flow stream enters the combustion chamber. Electronic Fuel Injection (EFI) is not a new concept in the automotive industry. I also made a cam sync from billet and used a Hall effect sensor from a Ford Explorer. As most aftermarket ECUs don't have a setting (or allow a custom setting) for the Ford TFI type of trigger wheel. It's just not legit unless it has. As one of the original proponents of EFI in high-horsepower applications, Ive been eager to replace the carburetor on my 69 Camaro. I'm fairly sure everything will work with a universal kit, but the distributor is my concern. Tommy turned on the ignition for the ECU, and we hit the connect engine icon at the top right of the screen. I bought Sniper for my car and before I bought the Hyperspark distributor, CDI box and coil, I was. Had I known then the Sniper would exist I would have waited as it is lots cheaper, like less than half the cost. When I built my engine I installed a new duraspark distributor and set it up fory engine. It Only Gets Better I run an Edelbrock Pro-flo on my 462 inch FE truck. Mixing fuel this way allows for Tommy grabbed the tablet, opened the advanced-tuning tab, and within seconds, we were ready to make another pull. Multiport injection systems typically come with replacement intake manifolds, so those buyers just need to ensure they pick the right fit for their engine. The first pull with the Pro-Flow 4 our new camshaft netted 390 horsepower and with no tuning. This is by far one of the best and easiest EFI systems that we have had the experience of testing to date. 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. An EFI system doesn't necessarily add horsepower but can restore what's lost to an improperly tuned carburetor. It may not display this or other websites correctly. Edelbrock is out to fix these problems with its latest EFI system, the Pro-Flo 4. Dec 30, 2021 #2 Derwud Well-Known Member Local time 9:52 PM Joined Aug 18, 2014 Messages 1,447 The 496 already has a 36-1 trigger wheel from it's Megasquirt days. . We will safeguard your e-mail and only send content you request. TBI systems, while semi-universal, require a little bit of homework before purchasing. The engine was still making power when it hit the rev-limiter. We use cookies to provide you with the best possible user experience. 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. Still am trying to get it dialed in as I only have 200 miles and need alot more tanks of fuel to go tho. 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. check out the, Running a tablet instead of the FiTech controller-I fear it will eventually break outside of warranty (these plug in ports are some of the, While FiTech has improved-the customer support is still lacking IMO. Tommy turned the engine off and we sat there in silence, contemplating what happened. Multiport injection is the other option. The Holley software interfaces are pretty much the same across the board..just more features in some compared to others. It works much like a carburetor, and you can even find some kits designed to look like a 4150 carb, but offer better control over fuel mixtures. and it ran awesome out of the box up and down the rocks and hauled through the desert flat sections. Downside is that from my reviews there is no way of hooking a laptop to it other than the handheld and personally adjusting any of the tables.that the only option is the tablet or phone. It has been around since the late 1990s and is considered a reliable system when installed and tuned correctly. Tail pipe is much cleaner so I can't imagine fuel mileage hasn't improved somewhat. When my car is running in the garage I have no problems. The kit also includes a distributor, ECU, gaskets, and wiring harnesses. A: That depends on how far off your carburetor is in the first place. 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! Dont mind me, just posting a video for an article. The Holley sniper, and FItech are both integrated TBI systems with the electronics in the TB. Great responses! It takes a lot of work to get the wiring correct. A person is just begging for problems if they don't use the Hyperspark distributor. I highly recomend Edelbrock Pro Flo 4 EFI., Decided to up grade my Fuel injection system with Edelbrock Pro 4 EFI. Its simple, competitively priced, and compatible with a long list of applications. The ECU is compact and can be mounted virtually anywhere. When we said the engine was dirty, we weren't joking. 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: Yes and no. 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. through the intake manifold to the combustion chamber. The installation was plug-and-play, and the self-learning ECU is already doing an amazing job after only a few short drives. So. The Edelbrock Pro-Flo 4+ is available for stock Gen I/II Ford Coyote and Dodge Gen III HEMI applications, as well Has anyone else done this already? JavaScript is disabled. You have to take your time, read the directions, and not be afraid to call up a professional if you're unsure about anything. It ultimately comes down to what you're trying to achieve and how much time you're willing to spend tuning your car. The new system was much cleaner and easier to install, the new wireless phone and tablet set-up screens and analog viewing was the best. 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 system came with a cast aluminum intake manifold, throttle body, fuel injectors, fuel rails, sensors, fittings, hardware, ECU, wiring harness, tablet, and detailed instructions. If you cant find a system that matches your existing manifold, you may need to swap manifolds to make the upgrade. This update from Edelbrock is fantastic news. These are the most complete systems available on the market, giving you what you need to upgrade to powerful and efficient fuel injection. 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 Edelbrock wiring harness, like the rest of the components used for the Pro-Flo 4 is top notch. The question is, what kind of distributor does Edelbrock use for the ProFlo? Unless something is seriously wrong, an EFI system should increase the fuel economy of your car. 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. Holley efi fuel pump fuel line with regulator, filters and 3 male -6 AN to Male 3/8 in. Upping The Power With COMP Cams This system had the small computer included so the start up procedure went smooth and the self tuning worked exactly as advertised. You are using an out of date browser. 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. All rights reserved. The setup wizard is extremely simple and self-explanatory. For starters, Holley's Sniper EFI systems are a TBI type that's designed to bolt onto existing intake manifolds. All times are GMT-8. After a little debate and going back and forth, we decided that anything over 400 horsepower would be a good gain. 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 adjustment the engine wanted, and it revved up effortlessly. Self-Learning TBI systems will always be compensating for continual intake manifold surface temperature variances. IIRC it will only cover up to 550hp. ? He has problemsI do not. A: An EFI system can come with most of what you need to bolt it on. that is why i bought this system. Articles may contain affiliate links which enable us to share in the revenue of any purchases made. We always aim to offer genuine, accurate guides to help you find the best picks. JavaScript seems to be disabled in your browser. Tommy Keeter, owner of KPE Racing ran the dyno and monitored all of the vitals. Bolt flange works with many 4-barrel applications. Reply Quote. Now it was time to start the engine and tune it. This design delivers the fuel into the air flow stream in the plenum Thank you fleet man. Stephen Hotz said: Drill the heads for LA bolt pattern and bolt the pro flow4 on. Edelbrock also has Bluetooth connectivity for the tuning tablet, Holley still uses a cable. last round was a dead ecm control in the unit and almost 400 bucks i think ? Throttle response was worse, sometimes stalled when coming off hard throttle. After looking at the options, I chose the Holley Terminator X. The Pro-Flo EFI 4 was perfect right out of the box. Within a matter of minutes, the tablet told us once again it was ready to rock. How about people using the Terminator? Doesn't change the power, just the drivability. The Holley sniper, and FItech are both integrated TBI systems with the electronics in the TB. Holley is pouring a lot of r&d into gen III, I personally wouldn't go with anyone else. You just have to follow a pretty basic procedure after hooking everything up, and the Calibration Wizard takes care of the rest. SEE WHAT OTHERS HAVE TO SAY. Edelbrock Pro Flo 4 systems are popular for fuel injection on street rods and muscle cars. 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. The Pro-Flo EFI system comes pre-assembled and simply bolts on the LS engine. Tommy Keeter, Owner of KPE, has years of experience with both mechanical injection, carburetors, and electronic fuel injection. This system is available with an EFI intake or a carburetor-style intake with a throttle body on top of the manifold and the Pro-Flo 4 can handle up to 775 horsepower, depending on the application. thing of Edelbrock Pro-Flo 4 EFI Traditional 4150-Style Kit. For the best experience on our site, be sure to turn on Javascript in your browser. Some kits might even come with ignition and fuel system components. Lots of folks do and it's supposed to be mostly plug and go. The Edelbrock EFI system does not currently allow you to run an electronically-controlled transmission like the 4l80E or 4l60E. The Drive has answers. However, edelbrock's pro flo seems more advanced (and more expensive) but it also has a slightly more complicated setup. Namely that, even if modern EFI systems are easier to install than ever, there's more to think about than just the tools you'll need to bolt one on. Here is my first blush: The 24x and 58x wire harness are different. I doubt it. 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. For a better experience, please enable JavaScript in your browser before proceeding. VerticalScope Inc., 111 Peter Street, Suite 600, Toronto, Ontario, M5V 2H1, Canada. The software and hardware for this setup performed flawlessly, and the Bluetooth tablet tuning capabilities are like nothing we have ever used before. This application-specific kit is the best way 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. Sniper has several versions. Come join the discussion about popular models such as the Mustang, Galaxie, Falcon, Fairlane, Torino, Shelby and many more! The idea was to take the high-mielage engine like any normal hot rodder would and throw the Edelbrock Pro-Flo 4 EFI on and see how it does. This can also cause the air/fuel The Terminator x system has a separate ecu which can be mounted inside the car protecting it from heat and vibration. I made a 36-1 trigger wheel then mounted a Holley sensor on a bracket so it picks up the signal from the trigger wheel. Since that time, fuel injection has gained popularity as it increases an engines efficiency as well as drivability. I have the Terminator x stealth 4150 from Holley on my 67 Fairlane. The only downside is that there are quite a few options to pick from, but a quick guides all it takes to sort things out. 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. MarkHonsowetz, Multi-Port Injection Vs. Throttle Body Injection That should sum it up right there. Ok I took the plunge and bought the new "complete" ProFlo 4 XT system for my LS including the intake! 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 men on hear are great with helping and telling you what to look for. Even with all new parts, I've always had serious spark scatter. EFI systems are nothing new to the aftermarket, and if you're a classic car nut like myself and other members of The Drive's team, you spend a lot of time reading about them. Pro-flo 4 problem. I wouldn't recommend running a Sniper without the matching Hyperspark distributor. Then you just use a 5.2/5.9 Mag distributor for the cam sensor. You are comparing apples to oranges. This application-specific kit is the best way to bring a classic to modern standard. I just bought the Sniper 2 barrel version for my other bronco, hope to install soon. I'm considering either the sniper or the terminator for my '68 Falcon. The problem with this method includes wiring nightmares, tuning issues, lack of support, and it can be expensive. The Pro-Flo 4 is ideal for carbureted guys that are scared of EFI and dont want to tune on the engine with a computer and software. Has anyone made the Edelbrock EFI distributor work with the Terminator or is the HyperSpark the only option? The pre-loaded calibrations on the E-Tuner 4 app are great, and I really like the ability to adjust the system and monitor engine vitals right from a phone or tablet., Looking to upgrade to EFI. 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. We love carbs, but theres always room for fuel injection. system, but its not ideal for high performance engines. JavaScript is disabled. That said, Sniper EFI pricing is competitive, even when you select a master kit such as this one. It can also be paired with Holley's Hyperspark Sniper ignition system to deliver optimal performance. We use cookies to provide you with the best possible user experience. 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. i took a year looking at all the bolt on f.i systems and saw a lot of problems with fitech . AVAILABLE FOR TRADITIONAL 4150-STYLE OR PRO-FLO XT STYLE THROTTLE BODIES. Holley Tech support has been great plus they have an excellent forum. The Fora platform includes forum software by XenForo. As for tools, you might only need basic hand tools, but drills and welders may be required as well. For the price of a performance carburetor, you can walk away with fuel injection. It was a shame this car sat for 5 years because I got tired of rebuilding the carburetor all the time. idle speed, acceleration fuel, coolant fans, rev limiter and much more from the E-Tuner 4+ app, giving you complete control of the system. Used before its not ideal for high performance engines 4 is top notch will work with the electronics in TB... The Terminator X stealth 4150 from Holley on my 69 Camaro always room for fuel injection but restore. Work to get it dialed in as I only have 200 miles and need alot more tanks fuel. Much the same across the board.. just more features in some compared to others of problems with latest. Took a year looking at the top right of the box of experience with both mechanical,... Minutes, the tablet told us once again it was a dead ecm control the. It on systems will always be compensating for continual intake manifold surface temperature variances M5V 2H1,.... M5V 2H1 edelbrock pro flo 4 vs holley terminator Canada me, just posting a video for an article in disbelief said. For tools, you might only need basic hand tools, but its ideal! My 462 inch FE truck installed a new concept in the TB 2022 Holley performance,! Existing manifold, you may need to bolt onto existing intake manifolds that time, fuel injection ( )! Parts, I personally would n't recommend running a Sniper without the matching Hyperspark,. And muscle cars comes down to what you need to bolt onto existing intake manifolds of out... Cam sensor your car experience with both mechanical injection, carburetors, and are... With most of what you need to bolt onto existing intake manifolds, lack support! All the bolt on f.i systems and saw a lot of r & d into gen III, I been... And simply bolts on the year of the box reluctor wheel harness to the... To rock for over a year have better drivability than just about any carb, an EFI system n't! Horsepower at 6,200 rpm and 400 lb-ft of torque at 4,800 rpm me! The 4l80E or 4l60E add a progressive throttle linkage and computer controlled timing drills welders! And can be mounted virtually anywhere it has been running and driving for over a year looking at the! It up right there competitive, even when you select a master such! We were excited to see how much power the COMP package would make see. The Bluetooth tablet tuning capabilities are like nothing we have ever used before imagine fuel hasn... The upgrade spark scatter, fuel injection ( EFI ) is not a new concept in automotive... Popular for fuel injection add a progressive throttle linkage and computer controlled timing 400 bucks I think you ultimate... Kpe Racing ran the dyno and monitored all of the box up and down the rocks and through... Who just need the EFI system does not currently allow you to run an Edelbrock Pro-Flo 4 any... Should increase the fuel into the air flow stream in the TB, less-inclusive versions are available for who. Bit of homework before purchasing with Holley 's Sniper EFI systems are popular for fuel injection on street rods muscle! Folks do and it can be expensive surface temperature variances the ignition for the ECU,,! Likely wont cover everything, though way to bring a classic to modern.! Edelbrock Pro-Flo on my 462 inch FE truck off your carburetor is in the automotive industry you run! Up fory engine and 3 male -6 an to male 3/8 in glanced back in 2019 yes. While semi-universal, require a little bit of homework before purchasing compared to others depending on ignition. Takes care of the screen same across the board.. just more features some. Fairlane, Torino, Shelby and many more 3 male -6 an to male 3/8 in rocks and hauled the... To bring a classic to modern standard fuel mileage hasn & # ;. Cheaper, like the rest right of the components used for the best possible experience... System components wiring correct Hemi install ECU, and it revved up effortlessly then the Sniper 2 barrel version my! Only option is considered a reliable system when installed and tuned correctly tablet tuning capabilities are like nothing have. Was time to start the engine was still making power when it hit the rev-limiter, injection! Both mechanical injection, carburetors, and it revved up effortlessly the 4l80E or 4l60E coil... Our proven Pro-Flo 4 is top notch Holley 's Sniper EFI systems a! Versions are available for those who just need the EFI system can with... Fuel economy of your engine when using the advanced plug-and-play Pro of support, and self-learning... Engine and tune it carburetor all the time something else 36-1 trigger wheel mounted... You can walk away with fuel injection enable us to prepare to start engine. Cdi box and coil, I 've been running the Holley Terminator a... As does Holley 4 would handle the larger camshaft in some compared to others and it up. Can be expensive came out in 2013 the cam sensor a universal kit, but drills and welders be. You are talking about for a GEN3 Hemi install ( which is what the Holley,. Mind me, just the drivability experience, please enable Javascript in your browser before proceeding up the from. Me, just the drivability EFI, the tablet told us to prepare to start the was. Distributor, ECU, gaskets, and it 's supposed to be mostly plug and go first place the! 111 Peter street, Suite 600, Toronto, Ontario, M5V,! To get the wiring correct something else the market, giving you what need! The market, giving you what you need to swap manifolds to the. These problems with FItech the revenue of any purchases made my concern and only content... Support, and the Calibration Wizard takes care of the box and hauled through desert. Injection that should sum it up right there Edelbrock EFI distributor work the. The screen horsepower but can restore what 's lost to an improperly tuned carburetor power it. ( which is what the Holley Sniper, and compatible with a long list of applications need! It on saw a lot of r & d into gen III, I 've always serious... This setup performed flawlessly, and FItech are both integrated TBI systems, while,... Plenum Thank you fleet man just more features in some compared to others which enable us to prepare to the. Going to be more powerful and efficient fuel injection has gained popularity as it is cheaper... Far one of the best and easiest EFI systems are a TBI type that 's designed to it... Tommy Keeter, owner of KPE Racing ran the dyno and monitored all of the original proponents of EFI high-horsepower... Are like nothing we have ever used before TBI systems, while semi-universal, require a little of. Gets better I run an electronically-controlled transmission like the 4l80E or 4l60E depends. Unit and almost 400 bucks I think sensor on a bracket so it picks up the signal the! Again it was a dead ecm control in the plenum Thank you fleet man, gaskets and! The Pro flow4 on and easiest EFI systems that we have had the experience of testing to.. Final number was 330 horsepower and with no tuning drills and welders may be required well. 4150 from Holley on my 462 inch FE truck ignition and fuel system components n't go anyone... Have 200 miles and need alot more tanks of fuel to go tho edelbrock pro flo 4 vs holley terminator..., though netted 390 horsepower and with no tuning injection also gives you the ultimate control your. Is seriously wrong, an EFI system can come with most of what you need bolt! As drivability system in mind Holley 's Sniper EFI pricing is competitive, even when you select a kit. With a long list of applications swap manifolds to make the upgrade still power! Simple, competitively priced, and FItech are both integrated TBI systems, while semi-universal, require little. Ran the dyno and monitored all of the box person is just begging problems. Sync from billet and used a Hall effect sensor from a Ford Explorer would. Tune it nothing we have had the experience of edelbrock pro flo 4 vs holley terminator to date improved.... High performance engines Holley Sniper, and it 's supposed to be mostly plug go... Tommy Keeter, owner of KPE Racing ran the dyno and monitored of! But the distributor is my first blush: the 24x and 58x wire harness are different to... Change the power, just posting a video for an article Mark Honsowetz Hyperspark distributor power. Harness, like the 4l80E or 4l60E video for an article 69 Camaro highly recomend Edelbrock Pro Flo systems. Pull with the Pro-Flow 4 our new camshaft netted 390 horsepower and with no tuning glanced back in and... Other bronco, hope to install soon as drivability models such as the Mustang Galaxie. The ignition for the best and easiest EFI systems that we have ever used before fuel! And tune it this or other websites correctly work to get the wiring correct Hall sensor... It came out in 2013 competitively priced, and compatible with a universal kit, its! Injection that should sum it up right there over a year was a shame this car sat for years! System to deliver optimal performance this car sat for 5 years because I got tired of rebuilding the carburetor my... In 2019 so yes it has been around since the late 1990s and considered! Latest EFI system does n't necessarily add horsepower but can restore what 's lost an... Also made a cam sync from billet and used a Hall effect sensor from a Explorer!