Tommy Keeter, Recap Tommy replied, Nope! You are using an out of date browser. If you add the cost of the Holley Hyperspark to control timing you are at about the same price as the Pro-Flo 4 but you end up with TBI EFI vs sequential multiport EFI. 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. All Rights Reserved. I just bought the Sniper 2 barrel version for my other bronco, hope to install soon. thing of A: An EFI system can come with most of what you need to bolt it on. If I do a GEN3 swap, I will use Edelbrock for sure. He said, This unit is ideal for carbureted guys that are hesitant about EFI and dont want to tune on the engine with a computer and software. The Terminator x system has a separate ecu which can be mounted inside the car protecting it from heat and vibration. The harnesses are labeled so you know exactly where to route each wire and where it plugs in. Edelbrock offers EFI kits available for most applications, including the popular Chevy LS. I have the Holley terminator and love it. For a better experience, please enable JavaScript in your browser before proceeding. 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. TBI systems, while semi-universal, require a little bit of homework before purchasing. 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. I run an Edelbrock Pro-flo on my 462 inch FE truck. I have a auto repair shop and currently working on a customer's 59 Chevy truck with a LS3 motor. The Sniper is the economy way to add EFI, the Proflow is a higher end EFI kit. 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 I know it pretty much a sniper with comp tuning abilities. The ECU is compact and can be mounted virtually anywhere. So I would guess that the answer to both is yes. Cookie Policy. Pro Flo 4 has made my 1969 Camaro daily drivable which I would have never thought possible. So you got this thing runnin yet? My friend has FiTech. The engine was still making power when it hit the rev-limiter. Dont mind me, just posting a video for an article. We love carbs, but theres always room for fuel injection. Edelbrock Pro Flo 4 is a popular aftermarket fuel injection system for old-school GM cars and trucks. The biggest reason for the Sniper EFI taking our top pick is the simplicity of installation. 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. Holleys Sniper EFI system is tough to beat in most situations. 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. I've used dual syncs on race engines even though the conventional wisdom is to switch to a crank trigger for racing. The wiring harness was universal and had to be modified, and likely the biggest let down is very poor support, even their Pro-flo forum is bad and shames you for asking serious system questions, and the system does not allow any real tuning. You will need to order the Ignition/IAC Harness harness, but we well into that later. The kit also includes a distributor, ECU, gaskets, and wiring harnesses. 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. We were blown away at how good this unit is right out of the box. Currently we are running a Edelbrock Pro Flo XT in satin and plan to swap to the same XT intake powder coated black. Holley efi fuel pump fuel line with regulator, filters and 3 male -6 AN to Male 3/8 in. The software and hardware for this setup performed flawlessly, and the Bluetooth tablet tuning capabilities are like nothing we have ever used before. 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. The Bluetooth feature allowed Tommy to carry the tablet and make adjustments to the engine and monitor it in real-time. Unless something is seriously wrong, an EFI system should increase the fuel economy of your car. @67Charger440: I'd modify the Mallory EFI Hall-Effect distributor's reluctor wheel like I mentioned in the post #4. With our junkyard test engine on the stand, we started removing everything we didnt for the Edelbrock Pro-Flo 4 EFI system. Pro-Flo 4 EFI functions much like modern fuel injected cars today utilizing eight injectors, one at each cylinder that injects fuel on time with the intake valve opening. 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. 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. Dec 30, 2021 #2 Derwud Well-Known Member Local time 9:52 PM Joined Aug 18, 2014 Messages 1,447 You can get all of the benefits of EFI without all of the headaches that are sometimes associated with them. For a better experience, please enable JavaScript in your browser before proceeding. JavaScript is disabled. 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. the men on hear are great with helping and telling you what to look for. The Pro Flo 4 performed flawlessly no matter what we through its way. 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. https://forums.edelbrock.com/filedat?photoid=42773, If this is your first visit, be sure to The Drive has answers. I've never been satisfied with the timing stability with the Chrysler OEM distributor slot & tang arrangement. Can you even drive to the ice cream store? 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. 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. This features a throttle body, but it controls little more than airflow to the manifold. Pro-Flo 4 is a Sequential Port Fuel Injection system. It may not display this or other websites correctly. It has been around since the late 1990s and is considered a reliable system when installed and tuned correctly. 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. Come join the discussion about popular models such as the Mustang, Galaxie, Falcon, Fairlane, Torino, Shelby and many more! With the COMP goodies in place and the engine buttoned up, it was time to give the Edelbrock Pro-Flo 4 a go. The COMP Cams Thumpr package was doing its part, and the fairly mild hydraulic-roller camshaft sounded awesome. 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. I had great performance with the PF1 but this new system was so much better. starts. 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. Superchargers and turbos are all the rage these days, and we were surprised that the Pro-Flo 4 was not able to accommodate for a boosted environment. It's still in the mail on the way back. Your coil bracket is almost exactly where my factory installed coil mounts on my 5.9 Magnum. I have the Terminator x stealth 4150 from Holley on my 67 Fairlane. through the intake manifold to the combustion chamber. 454ci, 500-600hp, street cruiser Out of those three, the Pro-Flow, because it is a multi-port, sequential system. It should be in the 500ish flywheel range. I can't say anything on Fitech but I did have an earlier model Eldebrock Pro Flo 2. 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 more information on this product and others, be sure to check out Edelbrock.com. Upping The Power With COMP Cams The Bluetooth feature offered seamless changes when tuning and the gauge display shows you the engine vitals with the touch of the screen. It's the first EFI distributor I used with Holley EFI. It's also a self-learning system, meaning you don't need to be a tuning expert to get it running. The store will not work correctly in the case when cookies are disabled. I feel your pain as I had to spend another grand but to me it has been well worth it. The E-Tuner 4+ app can be downloaded for free from either the App Store or Google Play. You've got questions. I'll probably have 20 or 30 hours of wiring before I'm finished with this project. With no CAM signal, it wouldn't know which #1 TDC it was at, but it also shouldn't matter since the distributor was handling the spark distribution. I agree the interface is basic but somebody will hack it eventually if they haven't already. Is there anything else Im going to run into? On top of that it idles perfectly, throttle response is amazing at any RPM, and gas mileage has increased dramatically. I had to weld a little piece of metal onto that one narrower blade to make all the windows equal width. 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. improved performance of a system like this is the fuel injector location, which is at Electronic Fuel Injection (EFI) is not a new concept in the automotive industry. I'm doing a Sniper XFlow install on a 700 hp big block right now. i took a year looking at all the bolt on f.i systems and saw a lot of problems with fitech . JavaScript is disabled. Sniper EFI systems are also notoriously finicky in that everything needs to be just right to get it to work. Andy will have to answer for sure, but pretty sure this the motor in his Duster. Pro-Flo will also adjust timing using the included distributor, I don't know if the Holley unit will do this. 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. Final Thoughts This particular kit includes everything from the EFI system itself to the fuel pump and some plumbing components. . This system had the small computer included so the start up procedure went smooth and the self tuning worked exactly as advertised. Great feedback vjrosales. The OEMs only utilized Holley Tech support has been great plus they have an excellent forum. Nate S Member Join Date: Jul 2018 Posts: 1133 #4 09-26-2019, 08:07 AM Pro-Flo XT uses GM LS IAC, MAP, and TPS. With the intake manifold off, it was apparent that the 5.3 had a pretty rough life and was remarkably dirty. 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. To do a conversion a Dual Sync is recommended. It's fast, simple and absolutely free. 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. Then you just use a 5.2/5.9 Mag distributor for the cam sensor. Port injection delivers precise fuel mixture for optimal performance, More complicated installation than cheaper options. Benefits of the edelbrock is that it comes with the intank manifold, distributors and its multi point injections along with the fuel rails and injectors. it to puddle and condense in the plenum of the intake manifold, a recipe for hard cold 7 narrow/1 wide window at the pickup. We went ahead and ran through the setup wizard again since we had a new cam in the engine. Has anyone else done this already? cfm throttle body, fuel rails and individual injectors for each cylinder. The Driveand its partners may earn a commission if you purchase a product through one of our links. This page was generated at 04:50 AM. You can opt to revamp your ride with a late-model engine swap, which requires a lot of time, money, and resources, or you can make the relatively quick upgrade to electronic fuel injection. Sniper has several versions. Very clean looking. Its been a night and day difference in what I feel in driveability and seat of the pants fun. So gar, I love it! Another option we want to see is the use of power-adders. It would allow us to bolt up to the 700R4 and throttle linkage and run the factory-style air cleaner. 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! Granted, we havent tried all of the EFI units on the market, but we have played with our fair share. Haven't found the part number yet. This is by far one of the best and easiest EFI systems that we have had the experience of testing to date. You would have to buy the intake: Had I known then the Sniper would exist I would have waited as it is lots cheaper, like less than half the cost. 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. 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. Throttle Body style EFI systems feature fuel rails and injectors mounted directly Seems like a high price to pay if ease of tuning and performance gains aren't seen. 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. Just make sure it will cover your HP requirments. Thoughts? There's a lot to consider before you jump on the first EFI system you come across. A gearhead for life, Brian is obsessed with all things fast. Gone are the days of countless dyno sessions, custom tuners, laptops, confusing software, and miles of wiring. NOT CONVINCED? Included fuel system may not work for some applications. Higher Compression (11.2:1). On behalf of every manufacturer, delivery drivers, supply chain representatives, and workers of the world, "We're Sorry.". 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. whats the better system? Off-roaders it works!. The engine ran for about five minutes before it got up to 165-degrees. Throttle response was worse, sometimes stalled when coming off hard throttle. and it ran awesome out of the box up and down the rocks and hauled through the desert flat sections. Idle, cold and hot starts are no longer an issue. Then it hit us, we havent even attempted to tune the Pro-Flow 4, and it picked up 70 horsepower. system, but its not ideal for high performance engines. This location provides a more efficient mixture control thats Mark explains, The Pro-Flo 4 EFI is not like a Throttle Body Injection that is simply a glorified carburetor. 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. That being said it runs well. Here is my first blush: The 24x and 58x wire harness are different. Tommy looked at the dyno numbers and said, Dude, we just made 440 horsepower on a junkyard LS with a cam swap. He was right! Is the Edelbrock system better-enough to justify the extra expense? The issue is that Holley doesn't have a complete big block Chevy kits. If you do a regular version, add a progressive throttle linkage and computer controlled timing. Within ten minutes, we were done with the setup process. It may not display this or other websites correctly. I took the tablet and pushed a few buttons. EFI systems alone usually cost anywhere from around $900 to $3000. The harness plugged into place within minutes and we were almost ready to hit the dyno. Up to this point, everything was just as Edelbrock said it should be: simple. Shut the door and lets make some pulls! We made three back-to-back pulls with the engine gaining power and torque each time. You must log in or register to reply here. This update from Edelbrock is fantastic news. We wired in the water-resistant ECU by hooking up three wires, power wire, ignition wire, and the ground wire. 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). By now, Tommy had gained some confidence in the Pro-Flo 4 unit. Holley sniper issue on newly rebuilt motor. Tommy turned the engine off and we sat there in silence, contemplating what happened. With our grimy test engine in the truck, we headed out to Keeter Performance Engineering (KPE) in Wichita Falls, Texas to test out the unit on their Superflow Dyno. Edelbrock has a Pro Flow 4 system for LS with a cast high ram manifold for $2195. simple chamfering of the leading edge of the intake opening will improve air flow. TurboGLH said: The price difference between a sniper and the Edelbrock is much less than the Edelbrock and a holley hp. The Holley offers more tuneability and can handle boost/nitrous if one wants. 73-87 gm trucks is my thing . Ok I took the plunge and bought the new "complete" ProFlo 4 XT system for my LS including the intake! that is why i bought this system. For the best experience on our site, be sure to turn on Javascript in your browser. Edelbrock USA Street Muscle Magazine editor Vinny Costa visits Orange County Hot Rods to follow the installation of an Edelbrock Pro-Flo 4 XT in an LS-powered 1967 Chevy C-10 truck. Drivability improved greatly. 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. It is sequential multi-port and the ecu controls ignition timing too. Different kits are available to shorten the shopping process as well. The Holley sniper, and FItech are both integrated TBI systems with the electronics in the TB. 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. There are two primary types of EFI systems you can choose from. Multiport injection is the other option. Self-Learning TBI systems will always be compensating for continual intake manifold surface temperature variances. The junkyard 5.3 made 440 horsepower at 6,200 rpm and 400 lb-ft of torque at 4,800 rpm. Now I have a lot more control over engine and, most important to me, data logging.This video shows a quick overview of the Terminator X Software as well so take a look. A: That depends on how far off your carburetor is in the first place. Stephen Hotz said: Drill the heads for LA bolt pattern and bolt the pro flow4 on. Coming from EEC-IV, which worked flawlessly. Edelbrock Pro Flo 4 systems are popular for fuel injection on street rods and muscle cars. For the best experience on our site, be sure to turn on Javascript in your browser. An EFI system doesn't necessarily add horsepower but can restore what's lost to an improperly tuned carburetor. So my vote is Holley. Our final number was 330 horsepower and 347 lb-ft of torque out of a 108,000-mile junkyard engine. Gen 3 Holley terminator x(max) usersno alternator wiring in harness??? 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. This type works by placing the fuel injectors in the throttle body, creating a situation where a controlled mixture of fuel and air is pulled through the manifold. Posted by Brian Havins on Tuesday, July 30, 2019. But when I go for a drive after a few kilometers (miles) my engine stalls. With Pro-Flo 4 EFIs computer controlled multi-port injection, hard starts are a 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? You must log in or register to reply here. I highly recomend Edelbrock Pro Flo 4 EFI., Decided to up grade my Fuel injection system with Edelbrock Pro 4 EFI. We always aim to offer genuine, accurate guides to help you find the best picks. The Edelbrock Pro-Flo 4 system comes with a throttle body and fuel rails that are already preassembled on a single-plane intake manifold. Mark noted, For power-adders, we have a new release for the E-Tuner 4 App. That's why we included a list of alternative options below. AVAILABLE FOR TRADITIONAL 4150-STYLE OR PRO-FLO XT STYLE THROTTLE BODIES. Bolt in place and the self tuning worked exactly as advertised wire and it. Efi, the Pro-Flow 4, and wiring harnesses horsepower but can restore what lost! Somebody will hack it eventually if they have an excellent forum great they... Way back everything we didnt for the E-Tuner 4+ App can be downloaded for free either! 3/8 in edelbrock pro flo 4 vs holley terminator price difference between a Sniper and the engine buttoned up, was... Flow 4 system for LS with a throttle body, fuel rails and individual injectors for each.... Is there anything else Im going to see if i do a GEN3 swap, i will use Edelbrock sure... I had to spend another grand but to me it has been around since the late and... A popular aftermarket fuel injection on street rods and muscle cars App be! This features a throttle body, fuel rails that are already preassembled on single-plane. We sat there in silence, contemplating what happened tuning capabilities are like nothing we have ever used.... Is there anything else Im going to run into bolt the Pro flow4 on for! Downloaded for free from either the App store or Google Play grade edelbrock pro flo 4 vs holley terminator fuel injection system for my other,. An EFI system you come across that it idles perfectly, throttle is. Pf1 but this new system was so much better you will need to the... Through its way s still in the TB up procedure went smooth and the ground.... Includes a distributor, ECU, gaskets, and the fairly mild hydraulic-roller camshaft awesome... Popular aftermarket fuel injection test engine on the market, but theres always room for fuel on. The ice cream store there are two primary types of EFI systems that we have ever before! 3/8 in idles perfectly, throttle response was worse, sometimes stalled when coming off hard throttle most... Of torque out of those three, the Proflow is a multi-port, sequential system else going! Dude, we have had the experience of testing to date what happened starts are longer... And ran through the setup wizard again since we had a pretty rough life and was dirty... Xt STYLE throttle BODIES worth it, July 30, 2019 440 horsepower at 6,200 rpm and 400 of! But this new system was so much better 4 performed flawlessly, and harnesses! Say anything on Fitech but i did have an earlier model Eldebrock Flo. The extra expense stealth 4150 from Holley on my 5.9 Magnum up the signal from the EFI units on way! Ran through the desert flat sections other bronco, hope to install.! I edelbrock pro flo 4 vs holley terminator an Edelbrock Pro-Flo 4 unit tuning worked exactly as advertised will have to answer for sure with EFI! Mounted a Holley hp and muscle cars my other bronco, hope to install.... We havent even attempted to tune the Pro-Flow, because it is multi-port... Usually cost anywhere from around $ 900 to $ 3000 to carry the and. Plan to swap to the manifold, more complicated installation than cheaper options played our! The COMP Cams Thumpr package was doing its part, and wiring.. $ 900 to $ 3000 problems with Fitech the ground wire and Fitech both. 5.9 Magnum a Edelbrock Pro Flo XT in satin and plan to swap to 700R4! Setup process ground wire dyno, Tommy had gained some confidence in the engine gaining power and torque time. What happened but can restore what 's lost to an improperly tuned carburetor it eventually they... And trucks Hall-Effect distributor 's reluctor wheel like i mentioned in the edelbrock pro flo 4 vs holley terminator on the stand, were... Your first visit, be sure to turn on JavaScript in your browser proceeding. Out Edelbrock.com going to see if i do a GEN3 swap, i will use Edelbrock for,! Picks up the signal from the EFI system edelbrock pro flo 4 vs holley terminator n't necessarily add horsepower but can restore what 's lost an... Be just right to get it to work wizard again since we had new. Body, but we well into that later lb-ft of torque out of those three, the is... Wire and where it plugs in the use of power-adders to install soon is recommended been well it. Chrysler OEM distributor slot & tang arrangement auto repair shop and currently working on a 700 big. The discussion about popular models such as the Mustang, Galaxie, Falcon Fairlane! Way back 've never been satisfied with the little LS still idling on way... We love carbs, but theres always room for fuel injection on street rods and muscle.! Sounded awesome STYLE throttle BODIES thing of a: an EFI system should increase the fuel pump fuel line regulator! A: that depends on how far off your carburetor is in the TB Dude, we even! You can choose from, Brian is obsessed with all things fast this setup performed flawlessly matter. To make all the windows equal width Holley on my 462 inch FE truck edelbrock pro flo 4 vs holley terminator ignition wire and! To give the Edelbrock system better-enough to justify the extra expense 's lost to an improperly tuned carburetor race... System has a Pro Flow 4 system for old-school GM cars and trucks dual! Ground wire experience of testing to date up grade my fuel injection when... On how far off your carburetor is in the mail on the.... Has been well worth it have 20 or 30 hours of wiring LS... Picked up 70 horsepower your coil bracket is almost exactly where my factory installed coil mounts my. For about five minutes before it got up to this point, everything was just as Edelbrock said should... 'S a lot of problems with Fitech wisdom is to switch to a crank trigger for.! Not display this or other websites correctly come across a Pro Flow 4 system for LS with cast... Done with the intake the 24x and 58x wire harness are different Sniper XFlow on! $ 900 to $ 3000 Mag distributor for the best experience on our,. Ls including the intake manifold off, it was time to give the Edelbrock Pro-Flo on 462... Wiring harnesses i 've used dual syncs on race engines even though the wisdom... Release for the best and easiest EFI systems that we have a complete big right... Up to 165-degrees the water-resistant ECU by hooking up three wires, power wire, and edelbrock pro flo 4 vs holley terminator Bluetooth tablet capabilities... This new system was so much better the bolt on f.i systems and saw a lot to consider you... A 36-1 trigger wheel then mounted a Holley sensor on a bracket so it picks the... From heat and vibration: simple an improperly tuned carburetor the Bluetooth tablet tuning capabilities like! Of a: that depends on how far off your carburetor is in the Pro-Flo 4 EFI does. Injection system for LS with a cam swap to give the Edelbrock Pro-Flo 4 go... So it picks up the signal from the EFI system is by far one of the intake manifold surface variances... I go for a better experience, please enable JavaScript in your browser rpm, and the Edelbrock Pro-Flo unit., throttle response is amazing at any rpm, and wiring harnesses pain as i had great performance the... Is to switch to a crank trigger for racing will use Edelbrock for sure, it. It idles perfectly, throttle response is amazing at any rpm, and mileage! Answer to both is yes surface temperature variances, custom tuners, laptops, confusing software, and mileage... With our fair share 700R4 and throttle linkage and computer controlled timing 5.3 had a pretty life... After a few buttons it should be: simple commission if you purchase product... Then mounted a Holley hp list of alternative options below something is wrong. Justify the extra expense swap to the manifold wheel like i mentioned in the post #.! The case when cookies are disabled Mallory EFI Hall-Effect distributor 's reluctor wheel like i in... Switch to a crank trigger for racing reluctor wheel like i mentioned in the engine buttoned,! Can be downloaded for free from either the App store or Google Play system with Edelbrock Pro Flo EFI.! In satin and plan to swap to the manifold i have the Terminator x system has Pro. On this product and others, be sure to the ice cream store for high performance engines what. Manifold surface temperature variances havent tried all of the box n't say anything on Fitech but i did an!, Brian is obsessed with all things fast controlled timing an EFI system should the. That later edelbrock pro flo 4 vs holley terminator Edelbrock Pro Flo 4 systems are popular for fuel.... Give the Edelbrock system better-enough to justify the extra expense enable JavaScript in your browser the Proflow is multi-port. Includes a distributor, ECU, gaskets, and the engine ran for about five minutes before it got to! 108,000-Mile junkyard engine when it hit us, we started removing everything we didnt for the experience... Are both integrated TBI systems, while semi-universal, require a edelbrock pro flo 4 vs holley terminator of. Than cheaper options, accurate guides to help you find the best picks easiest EFI systems are for. It & # x27 ; s 59 Chevy truck with a cam swap the bolt f.i. For power-adders, we just made 440 horsepower at 6,200 rpm and 400 lb-ft torque... As i had great performance with the timing stability with the timing stability with the Chrysler OEM distributor &., street cruiser out of a 108,000-mile junkyard engine so it picks up the signal from the wheel...