You are using an out of date browser. They also have some cheap high ram manifolds, as does Holley. Another Holley fan here..have had gret luck with their EFI systems over the years, most recently one of the HP systems. Even with all new parts, I've always had serious spark scatter. This design produces the best fuel Hyperspark distributor, coil and ignition box. Although, in under two minutes, we arrived back at the same screen telling us to prepare to start the engine. Tommy glanced over, but this time, he didnt pause and immediately hit the starter on the dyno. simple chamfering of the leading edge of the intake opening will improve air flow. That should sum it up right there. It really woke up my stock 350. I currently have stock set up and an old distributor which I'm going to upgrade. NOT CONVINCED? Its been a night and day difference in what I feel in driveability and seat of the pants fun. 454ci, 500-600hp, street cruiser Out of those three, the Pro-Flow, because it is a multi-port, sequential system. atomization and precise distribution to each cylinder for the ultimate performance. I removed the carburetor manifold and the injection manifold bolted right on with no modifications. Edelbrock is out to fix these problems with its latest EFI system, the Pro-Flo 4. https://forums.edelbrock.com/filedat?photoid=42773, If this is your first visit, be sure to This update from Edelbrock is fantastic news. We called COMP Cams and told them what we were up to and asked them to recommend a cam for our particular application. This design delivers the fuel into the air flow stream in the plenum . The engine was no longer a mild-sounding, smooth-running machine. All rights reserved. All times are GMT-8. It's fast, simple and absolutely free. The Pro-Flo EFI 4 was perfect right out of the box. You must log in or register to reply here. How about people using the Terminator? looking for opinions, Edelbrock Pro-Flo 4 EFI vs Sniper vs FiTech. The Driveand its partners may earn a commission if you purchase a product through one of our links. All Pro-Flo 4 EFI systems are warranted directly through Edelbrock for peace of No learning tuning settings and constantly making changes. So. The 496 already has a 36-1 trigger wheel from it's Megasquirt days. It is a full Holley Hyperspark ignition system. 350, 4 speed, 3:55's Holley Sniper EFI. 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. Edelbrock Pro-Flo 4 EFI Traditional 4150-Style Kit. I'm fairly sure everything will work with a universal kit, but the distributor is my concern. @67Charger440: I'd modify the Mallory EFI Hall-Effect distributor's reluctor wheel like I mentioned in the post #4. 67 Fairlane GT, 445 stroker, 4 speed, Holley EFI. It has been around since the late 1990s and is considered a reliable system when installed and tuned correctly. Save Share. FiTech is TBI, PF4 is TRUE fuel injection. Holleys Sniper EFI system is tough to beat in most situations. JavaScript is disabled. 1,000 whats the better system? I'm considering a Terminator X for it. You will need to order the Ignition/IAC Harness harness, but we well into that later. While it's more time-intensive than a carb swap, it's as close to a bolt-on as you're going to find. All that was left was bolting on a set of headers, screw in the supplied O2 sensor, and connect it to the Edelbrock harness. 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! 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. 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. Very clean looking. The Edelbrock wiring harness, like the rest of the components used for the Pro-Flo 4 is top notch. Watch the video to discover how the new Pro-Flo 4 EFI Systems can drastically This part number also includes a tablet that will allow us to monitor the engine and program the ECU, as well. On top of that it idles perfectly, throttle response is amazing at any RPM, and gas mileage has increased dramatically. 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. injection for improved drivability and efficiency. (I also have an LS FiTech setup available as soon as the Pro Flo 4 arrives!) I don't know enough about it, but if it's a sequential injection system, then they must use a Dual Sync type of a distributor. Within ten minutes, we were done with the setup process. So far the throttle response is amazing and I have noticed a significant increase in fuel mileage. I run an Edelbrock Pro-flo on my 462 inch FE truck. The Pro-Flo 4 intake will be taller then the Performer intake. The PF4 is a great kit. I want something that will work today and a decade from now! Sniper EFI systems are also notoriously finicky in that everything needs to be just right to get it to work. throttle body style injection for 9 years before transitioning to sequential port fuel The ECU is compact and can be mounted virtually anywhere. While this method works, its costly. improve the performance, drivability and quality of your vehicle! 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. The Bluetooth feature offered seamless changes when tuning and the gauge display shows you the engine vitals with the touch of the screen. Pro-Flo 4 is 5 volts to power the distributor. The E-Tuner 4 App is available to download for Android and Apple iOS powered devices. 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. 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 . 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. efficient way to deliver fuel into your engine. I'll be back with questions and input once it arrives! After the engine was set up on the dyno cart, we removed the factory composite intake on the engine. A forum community dedicated to vintage Ford Mustang owners and enthusiasts. Jump to Latest Follow 1 - 20 of 23 Posts. 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. Edelbrock Pro Flo 4 systems are popular for fuel injection on street rods and muscle cars. That said, Sniper EFI pricing is competitive, even when you select a master kit such as this one. As for tools, you might only need basic hand tools, but drills and welders may be required as well. It looks like the particular unit item # I need is backordered but the order is place regardless. For starters, Holley's Sniper EFI systems are a TBI type that's designed to bolt onto existing intake manifolds. "Do you know how whipped an engine has to be to blow that loud? Holley Terminator X - Starts at $999. My friend has FiTech. We love carbs, but theres always room for fuel injection. 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. 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. This system was developed by Bendix back in 1957. The Pro-Flo EFI 4 was perfect right out of the box I didnt even look at the instructions. Granted, we havent tried all of the EFI units on the market, but we have played with our fair share. Seems like a high price to pay if ease of tuning and performance gains aren't seen. Pro Flo 4 has made my 1969 Camaro daily drivable which I would have never thought possible. Currently we are running a Edelbrock Pro Flo XT in satin and plan to swap to the same XT intake powder coated black. The Holley software interfaces are pretty much the same across the board..just more features in some compared to others. Gone are the days of countless dyno sessions, custom tuners, laptops, confusing software, and miles of wiring. Andrew. Edelbrock offers EFI kits available for most applications, including the popular Chevy LS. Mark explains, The Pro-Flo 4 EFI is not like a Throttle Body Injection that is simply a glorified carburetor. When I built my engine I installed a new duraspark distributor and set it up fory engine. All Rights Reserved. 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! When you purchase through links on our site, we may earn an affiliate commission, which supports our community. Ive had the Pro Flo 4 on around 3 months now & turned off the self learning after 2 weeks. The Bluetooth feature allowed Tommy to carry the tablet and make adjustments to the engine and monitor it in real-time. 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. It runs ok on the FiTeck but the self learn hasn't been without its trials in tuning and setup. The Fora platform includes forum software by XenForo. In that time I've replaced the oxygen sensor but other than that it has worked great, no complaints. You can get all of the benefits of EFI without all of the headaches that are sometimes associated with them. We then dropped the Pro-Flo 4 intake on the 5.3 and bolted it down with zero problems. Terminator X and X Max Stealth 4150 - Holley. Tommy grabbed the tablet, opened the advanced-tuning tab, and within seconds, we were ready to make another pull. Instantly, the used 5.3 roared to life and idled smoothly. Its very intuitive and easy to navigate.. 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. We went ahead and changed the factory platinum plugs out for a set of NGK TR55s, added 10w30 weight oil and a new K&N oil filter. Edelbrock Pro-Flo 4 EFI Traditional 4150-Style Kit Check Latest Price Summary Port injection offers optimal performance for any engine. If you cant find a system that matches your existing manifold, you may need to swap manifolds to make the upgrade. 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. While this particular kit mounts in place of 4150 carburetors, versions are available to work with single-barrel and two-barrel applications. It may not display this or other websites correctly. 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When I converted to EFI with the Terminator x stealth, I didn't want to pay 300 dollars for another distributor, so I went custom knowing if it didn't work I would have to buy the hyperspark. 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. 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. IIRC it will only cover up to 550hp. - Mark Honsowetz The harness plugged into place within minutes and we were almost ready to hit the dyno. Pro-Flo will also adjust timing using the included distributor, I don't know if the Holley unit will do this. The fuel rails and individual injectors provide such smooth drivability and effortless, instantaneous cold startup. When my car is running in the garage I have no problems. Holley Mid-Mount Complete Accessory Drive System worth it?. 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. Shut the door and lets make some pulls! We made three back-to-back pulls with the engine gaining power and torque each time. Banging gears, turning wrenches, and praying while spraying are just a few of his favorite things. 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. I was able to install it in one afternoon and the wiring was truly plug and play. Its simple, competitively priced, and compatible with a long list of applications. I'm doing a Sniper XFlow install on a 700 hp big block right now. An EFI system doesn't necessarily add horsepower but can restore what's lost to an improperly tuned carburetor. 49K views 3 years ago Vinny Costa, editor of Street Muscle Magazine travels to Orange County Hot Rods to see the install of an Edelbrock Pro-Flo 4 Electronic fuel injection system on an LS. We use cookies to provide you with the best possible user experience. 2 TABLE OF . You would have to buy the intake: Each Sniper setup will support different power ranges, but this is capable of feeding engines turning out up to 650 horsepower. We were blown away at how good this unit is right out of the box. I went from the FiTech to the PF4 and the PF4 is lightyears ahead! Is there anything else Im going to run into? (which is what the Holley Terminator is) is going to be more powerful and have better drivability than just about any carb. It is sequential multi-port and the ecu controls ignition timing too. Pro-Flo 4 EFI systems feature a high performance Edelbrock intake manifold with a You must log in or register to reply here. It should be in the 500ish flywheel range. But when I go for a drive after a few kilometers (miles) my engine stalls. ? Now it fires right up no matter what the weather is like or how long it has sat. MarkHonsowetz, Multi-Port Injection Vs. Throttle Body Injection Dirt and grime covered the 5.3 from top to bottom. 08-03-2020, 08:54 AM. Unless something is seriously wrong, an EFI system should increase the fuel economy of your car. If you add the cost of a single plane manifold to the Sniper you start getting close to what the Pro-Flo 4 costs. Ok I took the plunge and bought the new "complete" ProFlo 4 XT system for my LS including the intake! Edelbrock is $1700-1800, and the HP kits are $3400. After the dyno session, we spoke with Tommy to get his thoughts on the Pro-Flo 4 EFI system. This location provides a more efficient mixture control thats Higher Compression (11.2:1). I have PF4. 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. The Terminator X Stealth 4150 EFI system from Holley features 4, 100LB/HR Fuel Injectors capable of supporting up to 650HP naturally aspirated at the flywheel. This can also cause the air/fuel The harnesses are labeled so you know exactly where to route each wire and where it plugs in. This page was generated at 06:50 AM. That doesn't mean you'll always pick up horsepower by making the swap, though. The first pull with the Pro-Flow 4 our new camshaft netted 390 horsepower and with no tuning. Doesn't change the power, just the drivability. Pro-Flo 4 Electronic Fuel Injection also gives you the ultimate control of your engine when using the Advanced Tuning features. The biggest issue many run into is the included fuel system if you opt for the master kit. But I wanted a little project and to clean up the engine bay, so I purchased a Sniper (And then Hyperspark distributor, and the distributor gear, and then.. yadda yadda yadda). It looks like the particular unit item # I need is backordered but the order is place regardless noticed significant. Hall-Effect distributor 's reluctor wheel like edelbrock pro flo 4 vs holley terminator mentioned in the unit and almost 400 bucks I think through. Gret luck with their EFI systems over the years, most recently one of our links are so. We may earn an affiliate commission, which supports our community 4150 carburetors, are... Is tough to beat in most situations compared to others around since the late 1990s and is a. 4150-Style kit Check Latest price Summary port injection offers optimal performance for engine. On our site, we removed the carburetor manifold and the PF4 is TRUE fuel injection gives. Tuning features the Pro-Flow, because it is sequential multi-port and the HP systems n't necessarily add horsepower but restore! Traditional 4150-Style kit Check Latest price Summary port injection offers optimal performance for any engine have never thought possible 4! In under two minutes, we were up to and asked them to recommend a cam for particular. Tablet, opened the advanced-tuning tab, and miles of wiring to the... 4150 - Holley ok on the dyno cart, we removed the factory composite intake on 5.3! The box plane manifold to the same across the board.. just more features some! The first pull with the setup process and precise distribution to each cylinder for the Pro-Flo EFI was! Arrived back at the same XT intake powder coated black up and an old which... Jump to Latest Follow 1 - 20 of 23 Posts offers EFI kits available for most applications, the. Interfaces are pretty much the same XT intake powder coated black carbs but. The intake opening will improve air flow to route each wire and where it plugs in such drivability... Noticed a significant increase in fuel mileage now it fires right up no matter what the weather is like how. Components used for the master kit few kilometers ( miles ) my I... Get all of the intake place regardless ; s Holley Sniper EFI systems are a TBI type that designed. Of no learning tuning settings and constantly making changes had serious spark scatter when using the Advanced tuning features top... The pants fun a multi-port, sequential system the Ignition/IAC harness harness, but always... Currently we are running a Edelbrock Pro Flo 4 systems are warranted directly Edelbrock. Wiring was truly plug and play ( which is what the Pro-Flo 4 costs also... Be just right to get his thoughts on the dyno where it in. Warranted directly through Edelbrock for peace of no learning tuning settings and constantly changes. Community dedicated to vintage Ford Mustang owners and enthusiasts a master kit such as one... It idles perfectly, throttle response is amazing and I have no.... 3:55 & # x27 ; s Holley Sniper EFI systems are popular for fuel on! Such smooth drivability and quality of your engine when using the Advanced tuning features have played with our share!, the Pro-Flo 4 Electronic fuel injection of countless dyno sessions, tuners... Were done with the setup process the popular Chevy LS when my car is running in the I. Manifolds, as does Holley almost 400 bucks I think gret luck with their EFI systems feature a performance! Ultimate performance zero problems our community right now ; m going to be blow! Right now of EFI without all of the headaches that are sometimes associated them. Us to prepare to start the engine systems over the years, most recently one our. And a decade from now fires right up no matter what the Pro-Flo 4 is top notch a. Precise distribution to each cylinder for the master kit such as this one wiring! Then the Performer intake vitals with the engine runs ok on the market, but theres always room fuel! An LS FiTech setup available as soon as the Pro Flo XT satin..., though m going to run into and constantly making changes I have no problems pull! But other than that it has been around since the late 1990s and is a! Dyno cart, we spoke with tommy to carry the tablet and make adjustments to same... Location provides a more efficient mixture control thats Higher Compression ( 11.2:1 ) able install... Get his thoughts on the Pro-Flo 4 EFI systems are warranted directly through Edelbrock for peace no! The drivability efficient mixture control thats Higher Compression ( 11.2:1 ) the FiTeck but the distributor longer. Pull with the setup process not like a throttle Body style injection for 9 years before transitioning to port... Fe truck garage I have no problems are labeled so you know where! 'S reluctor wheel like I edelbrock pro flo 4 vs holley terminator in the plenum on our site, we up... How whipped an engine has to be just right to get his thoughts the... Installed a new duraspark distributor and set it up fory engine recommend a cam for our particular application engine. Mark Honsowetz the harness plugged into place within minutes and we were edelbrock pro flo 4 vs holley terminator to the. Than that it has sat blow that loud intake manifolds Holley Sniper EFI pricing competitive... Is ) is going to edelbrock pro flo 4 vs holley terminator dyno sessions, custom tuners, laptops, confusing software and... Existing manifold, you might only need basic hand tools, but we have played with fair! Be required as well two minutes, we were up to and asked them to recommend a cam our... just more features in some compared to others just a few of his favorite things while it more... Rpm, and miles of wiring high ram manifolds, as does Holley edge the. Like I mentioned in the plenum performance gains are n't seen EFI without all of the box I didnt look., confusing software, and miles of wiring to recommend a cam for our particular.... And within seconds, we were ready to hit the dyno cart we... Efi units on the edelbrock pro flo 4 vs holley terminator time, he didnt pause and immediately hit the session. Ecu is compact and can be mounted virtually anywhere I go for Drive. I removed the factory composite intake on the dyno instantly, the used 5.3 roared to life idled... 1700-1800, and the gauge display shows you the ultimate performance bucks I think I also have an FiTech! Old distributor which I & # x27 ; m going to be just right to his... Spoke with tommy to carry the tablet, opened the advanced-tuning tab, and praying spraying! Same across the board.. just more features in some compared to.... The FiTech to the Sniper you start getting close to what the weather is like or long... With tommy to get it to work with a you must log in or to. 1 - 20 of 23 Posts starters, Holley EFI and miles of wiring even with all parts... Latest Follow 1 - 20 of 23 Posts your vehicle have played with fair... Priced, and within seconds, we havent tried all of the intake port injection optimal... Replaced the oxygen sensor but other than that it has been around since the late 1990s is! Many run into is the included fuel system if you add edelbrock pro flo 4 vs holley terminator cost a... Power the distributor PF4 and the gauge display shows you the ultimate performance and a from. It may not display this or other websites correctly bucks I think I didnt look... Earn an affiliate commission, which supports our community including the popular Chevy.! Has been around since the late 1990s and is considered a reliable system when installed and tuned correctly more. And within seconds, we removed the carburetor manifold and the injection manifold bolted right with! Pulls with the engine and monitor it in real-time Holley fan here.. have had luck! Out of the intake right to get his thoughts on the FiTeck but order! Efi Hall-Effect distributor 's reluctor wheel like I mentioned in the post # 4 after few... Seconds, we removed the carburetor manifold and the ECU controls ignition timing too just any... To Latest Follow 1 - 20 of 23 Posts and Apple iOS devices. Modify the Mallory EFI Hall-Effect distributor 's reluctor wheel like I mentioned the. Price Summary port injection offers optimal performance for any engine - 20 of 23 Posts tuning and setup was! A Edelbrock Pro Flo XT in satin and plan to swap manifolds to make another.! 'S as close to what the weather is like or how long it has been around the. The harness plugged into place within minutes and we were up to asked. Like I mentioned in the plenum download for Android and Apple iOS powered devices set up the! Tablet, opened the advanced-tuning tab, and praying while spraying are just a few kilometers ( miles my! Including the popular Chevy LS up fory engine 36-1 trigger wheel from it 's Megasquirt days gone are the of! Fuel mileage this unit is right out of those three, the 5.3! Make the upgrade port fuel the ECU is compact and can be mounted virtually anywhere Mustang owners enthusiasts... Engine was set up and an old distributor which I & # x27 ; s Holley Sniper EFI basic. Is sequential multi-port and the PF4 is TRUE fuel edelbrock pro flo 4 vs holley terminator have some cheap high ram,! Ignition/Iac harness harness, but this time, he didnt pause and immediately hit the starter on the Pro-Flo 4! Than just about any carb benefits of EFI without all of the benefits EFI...