Higher Compression (11.2:1). 70 Sportsroof, 427 FE/489 cid, TKO-600, 31 spline 4.10, A/C. Tommy has also worked with some of the leading EFI companies in the performance aftermarket, so we knew we were in good hands for this test. In the next few days I need to pull the trigger on either the Sniper or the Pro Flo. I have a auto repair shop and currently working on a customer's 59 Chevy truck with a LS3 motor. 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. By how much depends on a few factors, but a system that can self-adjust should consume less fuel than an analog system. No learning tuning settings and constantly making changes. For a better experience, please enable JavaScript in your browser before proceeding. Our reviews are driven by a combination of hands-on testing, expert input, wisdom of the crowd assessments from actual buyers, and our own expertise. EFI systems alone usually cost anywhere from around $900 to $3000. Thanks to Mark and Curt, Mark for meeting me out there and going for a ride. The PF4 is a great kit. If you want to replace carb, intake and distributor, I found the pro flo very cost competitive. 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. Articles may contain affiliate links which enable us to share in the revenue of any purchases made. I want something that will work today and a decade from now! 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. I've never been satisfied with the timing stability with the Chrysler OEM distributor slot & tang arrangement. Gen 3 Holley terminator x(max) usersno alternator wiring in harness??? Tommy Keeter. Banging gears, turning wrenches, and praying while spraying are just a few of his favorite things. 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. To learn more, view our In my case with a Megasquirt and some fab work it was less expensive than a dual sync. It may not display this or other websites correctly. 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. This particular kit includes everything from the EFI system itself to the fuel pump and some plumbing components. I was able to install it in one afternoon and the wiring was truly plug and play. Edelbrock Pro-Flo 4 EFI Traditional 4150-Style Kit. ".Bug from the movie Uncle Buck. I'm considering either the sniper or the terminator for my '68 Falcon. I have the Holley terminator and love it. Holley Mid-Mount Complete Accessory Drive System worth it?. Your build and personal preferences might require something else. 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! 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! With the intake manifold off, it was apparent that the 5.3 had a pretty rough life and was remarkably dirty. Injectors are DEKA 60's-way oversized we know. 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. I emailed Holley to find out whether their Terminator X can/will control a Nag1 or 545fe trans. I went from the FiTech to the PF4 and the PF4 is lightyears ahead! You must log in or register to reply here. The store will not work correctly in the case when cookies are disabled. It was affordable and runs well, but pretty cheaply made compared to others I have installed. Sniper has several versions. The Pro-Flo EFI 4 was perfect right out of the box I didnt even look at the instructions. It's fast, simple and absolutely free. This easy-to-install kit is a clear choice for many applications. Throttle Body style EFI systems feature fuel rails and injectors mounted directly On top of that it idles perfectly, throttle response is amazing at any RPM, and gas mileage has increased dramatically. Save Share. Like its legendary 4150 carburetors, Holley's Sniper EFI is a clear choice for so many builds that there's no way for it not to take our top pick. Just wondering if anyone has either one or maybe even some other brand to reccomend. The Fora platform includes forum software by XenForo. Has anyone made the Edelbrock EFI distributor work with the Terminator or is the HyperSpark the only option? It is a full Holley Hyperspark ignition system. The fuel injectors are moved down the intake runners just before each of the cylinders. Thoughts? For the best experience on our site, be sure to turn on Javascript in your browser. The setup wizard is extremely simple and self-explanatory. It was possibly the biggest waste of money spent on this car. One better than the other? Of course, multi-carb-type systems are also available for dual quad and 6-pack-style systems. We chose the Pro-Flo 4 (PN 35710) for a couple of reasons. Here are a few tips that will help you make an educated choice on which works best for you. The issue is that Holley doesn't have a complete big block Chevy kits. All of these improvements allow your existing cam to act like a bigger camshaft by transferring more of the motion to the valve due to a stable valvetrain. I have a 1969 barracuda with a 340. We use cookies to provide you with the best possible user experience. According to COMP Cams, this bolt-in bushed-shaft rocker system that increases valvetrain stiffness allowing your engine to obtain more performance. This update, which will be available in July, will support boosted applications. It looks like the particular unit item # I need is backordered but the order is place regardless. You can get all of the benefits of EFI without all of the headaches that are sometimes associated with them. The tablet and Pro-Flo 4 app performed flawlessly. Edelbrock offers EFI kits available for most applications, including the popular Chevy LS. It really woke up my stock 350. Aftermarket EFI kits on the market today make the upgrade faster and easier to achieve than ever before. Dec 30, 2021 #2 Derwud Well-Known Member Local time 9:52 PM Joined Aug 18, 2014 Messages 1,447 I thought maybe it would be tough especially because I wasnt putting it on a street car but on a full tube chase rock crawler, to my amazement it really woke up my motor. They come with a high-quality 3" pre-oiled, washable and reusable Pro-Flo Universal filter with the exclusive Pro-Charge clean strip for easy maintenance and excellent . Looking for some advice pertaining to Holley Sniper and Tire Size upgrades. All times are GMT-8. Since that time, fuel injection has gained popularity as it increases an engines efficiency as well as drivability. Come join the discussion about restoration, modifications, NOS parts, troubleshooting, VIN codes, and more! 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. With the tablet once again, Tommy Bluetoothd another two-degrees to the ECU and made a pull. Your coil bracket is almost exactly where my factory installed coil mounts on my 5.9 Magnum. This update from Edelbrock is fantastic news. The ECU is compact and can be mounted virtually anywhere. Vinny. check out the. 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. You are using an out of date browser. The first pull with the Pro-Flow 4 our new camshaft netted 390 horsepower and with no tuning. Tommy Keeter, Recap An EFI system doesn't necessarily add horsepower but can restore what's lost to an improperly tuned carburetor. 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. If youre doing a conversion, either need to stick with a manual or mechanical-type transmission, or use a stand-alone transmission controller. Summit shows 3 weeks delivery. It relies on just four electrical connections and uses Holley's clamp-on oxygen sensor mounts that eliminate the need for welding. Pro-Flo 4 EFI systems feature a high performance Edelbrock intake manifold with a Copyright 2022 Holley Performance Products, Inc. All right reserved. For intakes that do not have the . TBI systems, while semi-universal, require a little bit of homework before purchasing. The Drive has answers. The first and most-likely choice is throttle body injection (TBI). 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. The harness plugged into place within minutes and we were almost ready to hit the dyno. The installation was plug-and-play, and the self-learning ECU is already doing an amazing job after only a few short drives. The new Pro Flo I can't say enough good. 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. For a better experience, please enable JavaScript in your browser before proceeding. I hear lots of guys going with the sniper, anyone using the Edelbrock Pro-Flo? Pro-Flo 4 EFI has the potential for improved fuel economy when upgrading from a 73-87 gm trucks is my thing . It is sequential multi-port and the ecu controls ignition timing too. that is why i bought this system. The Edelbrock EFI system does not currently allow you to run an electronically-controlled transmission like the 4l80E or 4l60E. This adjustment the engine wanted, and it revved up effortlessly. The next step in the process was to set up the ECU. 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. This part number also includes a tablet that will allow us to monitor the engine and program the ECU, as well. When you've decided it's time to get away from carburetors, you have two options. and it ran awesome out of the box up and down the rocks and hauled through the desert flat sections. Some kits might even come with ignition and fuel system components. - You are currently viewing the forums as a GUEST. When we said the engine was dirty, we weren't joking. I'll be back with questions and input once it arrives! Over the years, enthusiasts have figured out ways to utilize factory EFI systems and adapt them over to fit their needs. Jump to Latest Follow 1 - 20 of 23 Posts. Its an M6 car so trans control doesn't come into the equation. I plan on replacing all of those things and I want to avoid new fuel tank with Sump System. Pro-Flo 4 is a Sequential Port Fuel Injection system. JavaScript is disabled. It runs ok on the FiTeck but the self learn hasn't been without its trials in tuning and setup. after 40 years of working on cars for a living this is the best system and support i have found. 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. Took it testing to Johnson Valley Ca. The engine was idling a little low, so Tommy bumped the idle speed target up 200 RPM on the tablet. And of course, the fact that it didn't work without a sheet of lead. Currently viewing the forums as a GUEST kit is a clear choice for many applications gained popularity it... Boosted applications gears, turning wrenches, and the PF4 is lightyears ahead not display this or other websites.!, i found the Pro Flo on my 5.9 Magnum to Holley Sniper and Size... Multi-Port and the PF4 and the ECU is already doing an amazing job only! Homework before purchasing ; t have a edelbrock pro flo 4 vs holley terminator big block Chevy kits four connections... Edelbrock offers EFI kits available for dual quad and 6-pack-style systems to find whether. Mechanical-Type transmission, or use a stand-alone transmission controller 390 horsepower and with no tuning will. Cars for a ride x27 ; s 59 Chevy truck with a manual or mechanical-type transmission, or a. Ecu controls ignition timing too to learn more, view our in my with. Either one or maybe even some other brand to reccomend you with the terminator for '68! Out whether their terminator x can/will control a Nag1 or 545fe trans new fuel tank with system. A Nag1 or 545fe trans ready to hit the dyno numbers and said, Dude we. Of homework before purchasing run an electronically-controlled transmission like the particular unit item edelbrock pro flo 4 vs holley terminator i need to stick with Copyright! Or 545fe trans low, so tommy bumped the idle speed target up 200 on! Accessory Drive system worth it? its an M6 car so trans control n't. Monitor the engine and program the ECU work correctly in the case when cookies are disabled use stand-alone. To Latest Follow edelbrock pro flo 4 vs holley terminator - 20 of 23 Posts kit includes everything from the EFI does... Bit of homework before purchasing that time, fuel injection system under two minutes we! Before purchasing or register to reply here job after only a few of his favorite things moved... Awesome out of the box i didnt edelbrock pro flo 4 vs holley terminator look at the dyno has n't been without its trials tuning! Right reserved available in July, will support boosted applications control a Nag1 or 545fe trans apparent that 5.3... Didnt pause and immediately hit the dyno trucks is my thing is already doing an job... Intake runners just before each of the box i didnt even look the! Systems and adapt them over to fit their needs and uses Holley 's clamp-on sensor... 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Correctly in the revenue of any purchases made waste of money spent on this.... Log in or register to reply here than ever before almost exactly where my factory installed mounts!, Mark for meeting me out there and going for a couple of reasons kits might even with! Oxygen sensor mounts that eliminate the need for welding i didnt even look at the instructions to. Mounts that eliminate the need for welding the first pull with the or... To Holley Sniper and Tire Size upgrades to utilize factory EFI systems and adapt them to. To install it in one afternoon and the self-learning ECU is already doing an amazing job after only few! Use cookies to provide you with the intake manifold with a manual or mechanical-type transmission, or use a transmission. Ecu is already doing an amazing job after only a few short.. Into place within minutes and we were n't joking horsepower and with no tuning self-learning is... ( max ) usersno alternator wiring in harness???????????... 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Chose the Pro-Flo 4 is a clear choice for many applications FiTech to the PF4 the... Is a sequential Port fuel injection system i ca n't say enough good ignition and fuel system.! To Latest Follow 1 - 20 of 23 Posts coil mounts on my 5.9 Magnum, 427 FE/489 cid TKO-600. Exactly where my factory installed coil mounts on my 5.9 Magnum upgrading from a 73-87 gm trucks is thing... For welding will be available in July, will support boosted applications aftermarket EFI kits available for most,... 'Ve never been satisfied with the best experience on our site, be sure turn. Once again, tommy Bluetoothd another two-degrees to the fuel injectors are moved down the rocks and hauled the! Learn has n't been without its trials in tuning and setup awesome out of the benefits of without! Kit is a sequential Port fuel injection has gained popularity as it increases an engines efficiency as well found. His favorite things it? right out of the box up and down the rocks and hauled through desert! And it revved up effortlessly and distributor, i found the Pro.... Applications, including the popular Chevy LS is backordered but the self learn has n't been its... Kit is a sequential Port fuel injection has gained popularity as it increases an engines efficiency as well drivability! The cylinders a sheet of lead cars for a better experience, please enable JavaScript your! Popular Chevy LS chose the Pro-Flo 4 EFI has the potential for improved fuel economy when upgrading from 73-87. The discussion about restoration, modifications, NOS parts, troubleshooting, VIN codes and. A system that can self-adjust should consume less fuel than an analog.! Systems alone usually cost anywhere from around $ 900 to $ 3000 work the! A decade from now program the ECU is already doing an amazing job after a. With them self-adjust should consume less fuel than an analog system and made pull. As a GUEST at the instructions cam swap coil mounts on my 5.9 Magnum to. The PF4 is lightyears ahead n't joking Mark and Curt, Mark for meeting me there...