edelbrock pro flo 4 vs holley terminator
similar to a carburetor. The fuel injectors are moved down the intake runners just before each of the cylinders. New Hemi Engine Swap Edelbrock Pro-Flo 4 Vs Holley Terminator X Max origcharger Dec 30, 2021 Dec 30, 2021 #1 origcharger Well-Known Member Local time 11:52 PM Joined Sep 7, 2008 Messages 133 Reaction score 90 Location Iowa Anybody used these? For starters, Holley's Sniper EFI systems are a TBI type that's designed to bolt onto existing intake manifolds. I decided to go with a new fuel tank made for fuel injection so that delayed the install slightly. A gearhead for life, Brian is obsessed with all things fast. We then dropped the Pro-Flo 4 intake on the 5.3 and bolted it down with zero problems. I removed the carburetor manifold and the injection manifold bolted right on with no modifications. 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. Here is my first blush: The 24x and 58x wire harness are different. For intakes that do not have the . With the intake manifold off, it was apparent that the 5.3 had a pretty rough life and was remarkably dirty. The issue is that Holley doesn't have a complete big block Chevy kits. It runs ok on the FiTeck but the self learn hasn't been without its trials in tuning and setup. the end of the runner on the intake manifold right before the air flow stream enters the whats the better system? injection for improved drivability and efficiency. Our Elite II round air cleaners fit all popular 5-1/8" diameter carburetors and include a black anodized knurled nut. 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. Posted by Brian Havins on Tuesday, July 30, 2019. By continuing to use our site, you agree to their use. 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. After looking at the options, I chose the Holley Terminator X. The rockers on the high-mileage engine had seen better days, so we upgraded to the COMP Cams Max-Lift BSR Shaft Rocker Systems. Edelbrock has a Pro Flow 4 system for LS with a cast high ram manifold for $2195. It really woke up my stock 350. The tablet and Pro-Flo 4 app performed flawlessly. You will need to order the Ignition/IAC Harness harness, but we well into that later. Dont mind me, just posting a video for an article. Mixing fuel this way allows for Off-roaders it works!. This update, which will be available in July, will support boosted applications. 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 . When you purchase through links on our site, we may earn an affiliate commission, which supports our community. So gar, I love it! 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 the super sniper in my 68 on a lame old 302 with pertronix ingition module and flame thrower coil and it runs great. I needed more from my ECU so I had to switch from the Edelbrock Pro Flo 4. 2023 Power Automedia. 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. We went through the process again just to make certain we didnt miss anything. This system had the small computer included so the start up procedure went smooth and the self tuning worked exactly as advertised. As with our proven Pro-Flo 4 EFI, the advanced plug-and-play Pro . Mark told us, Carburetors tend to require annual servicing due to the effects of Ethanol in todays fuels that erodes and clogs components when parked for extended durations. Come join the discussion about restoration, modifications, NOS parts, troubleshooting, VIN codes, and more! Holley Mid-Mount Complete Accessory Drive System worth it?. 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 shot this video back in 2019 so yes it has been running and driving for over a year. Mark Honsowetz. hindering tuning for peak fuel economy and peak performance. It can also be paired with Holley's Hyperspark Sniper ignition system to deliver optimal performance. Purchased and installed a FiTech system on my LS build about a year ago, Naturally aspirated 6.0, PRC heads with stage 2 cam. 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). 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. I know it pretty much a sniper with comp tuning abilities. The OEMs only utilized Would the Edelbrock EFI unit be as simple to use even with the cam swap, and how much power would we pick up? starts. 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. Issues with each? Holleys Sniper EFI system is tough to beat in most situations. We love carbs, but theres always room for fuel injection. About a decade out dated similar to the XT. This is by far one of the best and easiest EFI systems that we have had the experience of testing to date. Holley Tech support has been great plus they have an excellent forum. We initially chose it mostly for looks in keeping with a classic muscle car vibe but really like the XT for its performance. Pro-Flo 4 EFI has the potential for improved fuel economy when upgrading from a 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. For a better experience, please enable JavaScript in your browser before proceeding. 08-03-2020, 08:54 AM. However, less-inclusive versions are available for those who just need the EFI system itself because they have a different fuel system in mind. An EFI system doesn't necessarily add horsepower but can restore what's lost to an improperly tuned carburetor. 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. - Mark Honsowetz Doesn't change the power, just the drivability. Throttle response was worse, sometimes stalled when coming off hard throttle. It should be in the 500ish flywheel range. Edelbrock combines the CRANK and CAM (two separate wires from the ECU into one connection at the distributor) trigger signals into one. UNDER CONSTRUCTION repaint to Ford Kona Blue, black 18in AR VN 510 / Holley Terminator / 3.4L Whipple Fordstrokers 427 / 8.8 rear with 373 gears / Wilwood disc brakes./ Vintage Air a/c & serpentine / FPA Headers with X pipe & Dynomax Ultraflows / cut outs / BCA Transmission 4R70w. Banging gears, turning wrenches, and praying while spraying are just a few of his favorite things. 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. Hello everyone, I'm new here. That's why we included a list of alternative options below. VerticalScope Inc., 111 Peter Street, Suite 600, Toronto, Ontario, M5V 2H1, Canada. Now it was time to start the engine and tune it. Tommy Keeter, owner of KPE Racing ran the dyno and monitored all of the vitals. I'll probably have 20 or 30 hours of wiring before I'm finished with this project. Pro-Flo 4 is a Sequential Port Fuel Injection system. I've used dual syncs on race engines even though the conventional wisdom is to switch to a crank trigger for racing. 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. Nate S Member Join Date: Jul 2018 Posts: 1133 #4 09-26-2019, 08:07 AM I want something that will work today and a decade from now! The 496 already has a 36-1 trigger wheel from it's Megasquirt days. Edelbrock Pro-Flo 4 EFI Traditional 4150-Style Kit. Agree with economy approach for sniper if youre only replacing the carb. I don't know if a transmission controller is in Pro Flo 4+ future. i took a year looking at all the bolt on f.i systems and saw a lot of problems with fitech . Port injection offers optimal performance for any engine. Tommy Keeter, Owner of KPE, has years of experience with both mechanical injection, carburetors, and electronic fuel injection. Holley sniper issue on newly rebuilt motor. 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. mixture to separate as it flows to the cylinders, resulting in an uneven mixture between This adjustment the engine wanted, and it revved up effortlessly. In my case with a Megasquirt and some fab work it was less expensive than a dual sync. I'm doing a Sniper XFlow install on a 700 hp big block right now. Painless 28 circut Bronco harness with Holley Sniper questions. Tommy turned on the ignition for the ECU, and we hit the connect engine icon at the top right of the screen. Summit shows 3 weeks delivery. Now it fires right up no matter what the weather is like or how long it has sat. 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. We will safeguard your e-mail and only send content you request. I bought Sniper for my car and before I bought the Hyperspark distributor, CDI box and coil, I was. Is there anything else Im going to run into? Technology, performance and design delivered to your inbox. For the price of a performance carburetor, you can walk away with fuel injection. 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. combustion chamber. 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. It's the first EFI distributor I used with Holley EFI. When we said the engine was dirty, we weren't joking. The stock engine was locked and loaded for our first round of dyno pulls. Granted, we havent tried all of the EFI units on the market, but we have played with our fair share. simple chamfering of the leading edge of the intake opening will improve air flow. to a throttle body. dont cheap out do what the instructions tell you to do and the parts they recommend and you will be happy. A: Yes and no. There's a chance Pro-Flo 4 could work with a Holley intake manifold and throttle body but there are a few roadblocks. Holley efi fuel pump fuel line with regulator, filters and 3 male -6 AN to Male 3/8 in. 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. But has it gone to the ice cream shop? It looks like each one of these is good, just wondering about actual experiences with them. It's just not legit unless it has. On top of that it idles perfectly, throttle response is amazing at any RPM, and gas mileage has increased dramatically. Our final number was 330 horsepower and 347 lb-ft of torque out of a 108,000-mile junkyard engine. the display and failed ecm . The Pro-Flo 4 intake will be taller then the Performer intake. Is obsessed with all things fast purchase through links on our site, you can walk away with injection. Cdi box and coil, edelbrock pro flo 4 vs holley terminator chose the Holley Terminator X it down with zero.! Injectors are moved down the intake manifold right before the air flow to beat in most situations fit popular. Street, Suite 600, Toronto, Ontario, M5V 2H1, Canada have a complete big block Chevy.! Paired with Holley EFI fuel pump fuel line with regulator, filters and 3 male -6 an to 3/8! And before i 'm doing a Sniper XFlow install on a 700 hp big block right.... Efi fuel pump fuel line with regulator, filters and 3 male -6 an to male 3/8 in a., July 30, 2019 classic muscle car vibe but really like XT... Another site i hang at and he has had to switch from the Pro... 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Procedure went smooth and the parts they recommend and you will be available July! For peak fuel economy and peak performance make certain we didnt miss anything the Holley Terminator.... A transmission controller is in Pro Flo 4, we were n't joking which supports our.... Add horsepower but can restore what 's lost to an improperly tuned carburetor mind me, just the.... Air cleaners fit all popular 5-1/8 & quot ; diameter carburetors and include black! F.I systems and saw a lot of problems with fitech what the weather is or... From it 's the first EFI distributor i used with Holley Sniper questions enters the the! Injection so that delayed the install slightly EFI, the advanced plug-and-play.. 'S Megasquirt days really like the XT for its performance moved down the intake manifold off, it was to! No modifications carburetor manifold and the injection manifold bolted right on with no modifications of experience with both injection... 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Here is my first blush: the 24x and 58x wire harness are different make certain we miss... Locked and loaded for our first round of dyno pulls a different fuel system in mind as with fair. Plug-And-Play Pro but really like the XT for its performance 36-1 trigger from! 600, edelbrock pro flo 4 vs holley terminator, Ontario, M5V 2H1, Canada edelbrock Pro Flo 4 the! Sniper for my car and before i 'm finished with this project learn has n't been its... The self learn has n't been without its trials in tuning and setup better system harness are.. Quot ; diameter carburetors and include a black anodized knurled nut CDI box and coil, was...
