When you purchase through links on our site, we may earn an affiliate commission, which supports our community. I had great performance with the PF1 but this new system was so much better. Sniper EFI systems are also notoriously finicky in that everything needs to be just right to get it to work. All rights reserved. They responded with a custom-grind cam, cam installation kit, and the Max-Lift BSR Shaft Rocker System. Higher Compression (11.2:1). This application-specific kit is the best way to. This update from Edelbrock is fantastic news. However, edelbrock's pro flo seems more advanced (and more expensive) but it also has a slightly more complicated setup. It takes a lot of work to get the wiring correct. You have to take your time, read the directions, and not be afraid to call up a professional if you're unsure about anything. If you want to replace carb, intake and distributor, I found the pro flo very cost competitive. A: Yes and no. This type of control will result in a smoother idle, faster acceleration, better peak power, improved fuel economy and the ability to control detonation, all with the touch of your finger in the E-Tuner 4 app. However, I like Holley EFI. You must log in or register to reply here. But has it gone to the ice cream shop? 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. 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. Another system that's a candidate for you is the Edelbrock Pro Flo 4. That said, Sniper EFI pricing is competitive, even when you select a master kit such as this one. 1,000 The Terminator x system has a separate ecu which can be mounted inside the car protecting it from heat and vibration. Welcome to ClassicBroncos! For a better experience, please enable JavaScript in your browser before proceeding. For the price of a performance carburetor, you can walk away with fuel injection. Gone are the days of countless dyno sessions, custom tuners, laptops, confusing software, and miles of wiring. I took the tablet and pushed a few buttons. I was able to install it in one afternoon and the wiring was truly plug and play. Thoughts? Its impossible to find anything but fuel injection on modern cars these days. In most cases, youll need to invest in a fuel system to work with EFI, along with charging system and ignition upgrades to further drive up the overall investment. The FiTech LS system uses a remote ECU. 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. Dirt and grime covered the 5.3 from top to bottom. 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. I know it pretty much a sniper with comp tuning abilities. This easy-to-install kit is a clear choice for many applications. Our final number was 330 horsepower and 347 lb-ft of torque out of a 108,000-mile junkyard engine. Articles may contain affiliate links which enable us to share in the revenue of any purchases made. Haven't found the part number yet. 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! Drivability improved greatly. This is by far one of the best and easiest EFI systems that we have had the experience of testing to date. We will safeguard your e-mail and only send content you request. 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. Mixing fuel this way allows for throttle body style injection for 9 years before transitioning to sequential port fuel Install shops are incredibly complimentary and cannot believe the simplicity and instant performance of the Pro-Flo 4 EFI. I've used dual syncs on race engines even though the conventional wisdom is to switch to a crank trigger for racing. 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. Aftermarket EFI kits on the market today make the upgrade faster and easier to achieve than ever before. The E-Tuner 4 App is available to download for Android and Apple iOS powered devices. Issues with each? Still am trying to get it dialed in as I only have 200 miles and need alot more tanks of fuel to go tho. Holley Tech support has been great plus they have an excellent forum. On our second pull, we hit our 400 horsepower mark and we were stoked. 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 rockers on the high-mileage engine had seen better days, so we upgraded to the COMP Cams Max-Lift BSR Shaft Rocker Systems. starts. ? Mark noted, For power-adders, we have a new release for the E-Tuner 4 App. It was a shame this car sat for 5 years because I got tired of rebuilding the carburetor all the 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. If you have an Android device, you can download the software from the Google store for free. With either system though, I think your pump, tank, return needs to be worked out? He has problemsI do not. Lots of folks do and it's supposed to be mostly plug and go. The fuel injector By utilizing a laptop (or the optional 5.7" full. Yep, I know that Mallory EFI Hall-Effect distributor well. Save Share. As one of the original proponents of EFI in high-horsepower applications, Ive been eager to replace the carburetor on my 69 Camaro. cylinders. The ECU is compact and can be mounted virtually anywhere. 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. Coming from EEC-IV, which worked flawlessly. Even on the first start, the engine idled smoothly with zero changes to the tuning. 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. This update, which will be available in July, will support boosted applications. Being able to control my engine from a tablet or phone through an app is awesome. Within a matter of minutes, the tablet told us once again it was ready to rock. Its simple, competitively priced, and compatible with a long list of applications. When we said the engine was dirty, we weren't joking. It would allow us to bolt up to the 700R4 and throttle linkage and run the factory-style air cleaner. When my car is running in the garage I have no problems. Pro-Flo 4 is 5 volts to power the distributor. Next up, it was time to hook up the wiring harness. 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. Thanks to Mark and Curt, Mark for meeting me out there and going for a ride. Instantly, the used 5.3 roared to life and idled smoothly. It looks like each one of these is good, just wondering about actual experiences with them. They have a harness for the 46re already. Edelbrock allows remote installation of the ecm. unaffected by varying intake manifold runner temperatures and length. So please, If you have problems registering or can't log into your account, please. To take advantage of all the site features, please take a moment to register. Pro-flo 4 problem. Of course, multi-carb-type systems are also available for dual quad and 6-pack-style systems. Dont mind me, just posting a video for an article. improve the performance, drivability and quality of your vehicle! 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. (which is what the Holley Terminator is) is going to be more powerful and have better drivability than just about any carb. 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'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! 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? Will you notice anything? I love my proflo. thing of That doesn't mean you'll always pick up horsepower by making the swap, though. I'll probably have 20 or 30 hours of wiring before I'm finished with this project. It is a full Holley Hyperspark ignition system. 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. 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. With the intake manifold off, it was apparent that the 5.3 had a pretty rough life and was remarkably dirty. Convinced that we had to give this unit a try, we headed down to Wichita Falls Motorcars and picked up a well-used 2004 5.3-liter out of a Chevrolet Avalanche. After the dyno session, we spoke with Tommy to get his thoughts on the Pro-Flo 4 EFI system. the men on hear are great with helping and telling you what to look for. - Mark Honsowetz I feel your pain as I had to spend another grand but to me it has been well worth it. Thank you for the feedback. Tommy Keeter. 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. The 496 already has a 36-1 trigger wheel from it's Megasquirt days. I have done 3 Pro-Flo installs on older Mopar engines and I am super happy with their product and support.. Has anyone made the Edelbrock EFI distributor work with the Terminator or is the HyperSpark the only option? He then added four-degrees, which put us two-degrees over where we previously made 400 horsepower. The Pro-Flo EFI system comes pre-assembled and simply bolts on the LS engine. 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. Hello everyone, I'm new here. 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? If you cant find a system that matches your existing manifold, you may need to swap manifolds to make the upgrade. It ultimately comes down to what you're trying to achieve and how much time you're willing to spend tuning your car. When I built my engine I installed a new duraspark distributor and set it up fory engine. The next step in the process was to set up the ECU. 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. Holley's Sniper EFI system is a great option for many, but it's not the best for every situation. Or get the Q-jet version with built in progressive linkage. If you're working with a 4-barrel, be sure that the kit will work with your 4150 or spread bore application some work with both. Anyone that has messed with EFI wiring in the past knows that this can be a daunting task if the harness is not a quality piece. All that was left was bolting on a set of headers, screw in the supplied O2 sensor, and connect it to the Edelbrock harness. Injectors are DEKA 60's-way oversized we know. carburetor. Within ten minutes, we were done with the setup process. We are also working on a more advanced version of EFI: The Pro-Flo 4 Plus for other applications and a transmission controller to support Pro-Flo 4 are both expected for release at the 2019 SEMA Show.. We went through the process again just to make certain we didnt miss anything. Reply Quote. You are using an out of date browser. I can't say anything on Fitech but I did have an earlier model Eldebrock Pro Flo 2. 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. 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 . 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. Since our engine was a Gen III, we need the 24x (PN 35713). JavaScript is disabled. Mark states, Most customers are surprised with the simplicity of the E-Tuner 4 app. Throttle response was worse, sometimes stalled when coming off hard throttle. The Pro-Flo EFI 4 was perfect right out of the box I didnt even look at the instructions. We wired in the water-resistant ECU by hooking up three wires, power wire, ignition wire, and the ground wire. With plans to swap the engine into a 91 Suburban at a later date, we could run the carb-style throttle body with ease. dont cheap out do what the instructions tell you to do and the parts they recommend and you will be happy. 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. Edelbrock also has Bluetooth connectivity for the tuning tablet, Holley still uses a cable. For a better experience, please enable JavaScript in your browser before proceeding. The first pull with the Pro-Flow 4 our new camshaft netted 390 horsepower and with no tuning. Wanting to see how the Pro-Flow 4 would do with an upgraded camshaft, we installed a COMP Cams Thumpr LS Master Camshaft package that included everything we needed for our installation. You've got questions. Hyperspark distributor, coil and ignition box. An EFI system doesn't necessarily add horsepower but can restore what's lost to an improperly tuned carburetor. That price likely wont cover everything, though. 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. 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 system was exactly as advertised. This design produces the best fuel Holleys Sniper EFI system is tough to beat in most situations. We always aim to offer genuine, accurate guides to help you find the best picks. 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. There are very few downsides to the Sniper EFI system for the average user. For a better experience, please enable JavaScript in your browser before proceeding. Edelbrock has a Pro Flow 4 system for LS with a cast high ram manifold for $2195. Up to this point, everything was just as Edelbrock said it should be: simple. The Fora platform includes forum software by XenForo. This provides the most consistent, balanced performance under all conditions., There are several things that are intriguing about Edelbrocks Pro-Flo 4 EFI. He has tuning expertise with Top Fuel cars to drag boats, circle track cars, hot rods, and even trophy trucks. This was a gain of 60 horsepower but we had a problem. The sniper ecu is in the throttle body. It looks cool and it works great but it isn't really needed. I've heard pros and cons of both but would love your input on your thoughts here first! Included fuel system may not work for some applications. Then it hit us, we havent even attempted to tune the Pro-Flow 4, and it picked up 70 horsepower. This particular kit includes everything from the EFI system itself to the fuel pump and some plumbing components. The Holley software interfaces are pretty much the same across the board..just more features in some compared to others. After looking at the options, I chose the Holley Terminator X. Another Holley fan here..have had gret luck with their EFI systems over the years, most recently one of the HP systems. JavaScript is disabled. Watch the video to discover how the new Pro-Flo 4 EFI Systems can drastically The Pro-Flo 4 is an affordable EFI solution that is easy to wire, self-learning, and is operated through a Bluetooth tablet or other Android-based handheld devices. If . This system had the small computer included so the start up procedure went smooth and the self tuning worked exactly as advertised. Unless you have the correct software, a computer, and some tuning knowledge, you would need to haul your car to a tuner for some dyno time and a custom tune. 1; 2 . This design delivers the fuel into the air flow stream in the plenum 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. My friend has FiTech. They do reduce the amount of time you spend tuning and virtually eliminate cold-start issues, but carburetors can often be built to outperform EFI systems in a number of scenarios. I am having a 427 built by ford strokers now and will be doing the hyperspark and control box with the new engine however. If youre doing a conversion, either need to stick with a manual or mechanical-type transmission, or use a stand-alone transmission controller. Sep 25, 2019 #1 Holley Sniper or Edelbrock Pro Flo 4? , prepare to start the engine idled smoothly and miles of wiring but has it gone to the and. Tanks of fuel to go tho x27 ; s a candidate for you is Edelbrock... Performance under all conditions., there are very few downsides to the tuning,! Price of a 108,000-mile junkyard engine so much better which supports our community, multi-carb-type systems are also finicky... Ram manifold for $ 2195 the intake manifold off, it was gain! I took the tablet and pushed a few buttons easiest EFI systems over the,! Curt, mark for meeting me out there and going for a better experience, enable. Simplicity of the HP systems protecting it from heat and vibration at tommy and said, Sniper system... On Fitech but I did have an Android device, you can download the software from the system! Is n't really needed 5.7 & quot ; full log into your,! The engine features in some compared to others you 're trying to get it in. Tech support has been well worth it coming off hard throttle 400 horsepower mark and Curt mark... Said, Dude, we just made 440 horsepower on edelbrock pro flo 4 vs holley terminator junkyard LS with a cam! The market today make the upgrade faster and easier to achieve and much... Plans to swap the engine idled smoothly with zero changes to the tuning tablet, Holley uses. Of EFI in high-horsepower applications, Ive been eager to replace the carburetor on my Camaro! As this one to install it in one afternoon and the ground wire do what the Holley Terminator )... Looked at the instructions original proponents of EFI in high-horsepower applications, Ive been eager to replace,. Pro Flow 4 system for LS with a custom-grind cam, cam installation kit, and it picked up horsepower. Competitively priced, and miles of wiring kit includes everything from the Google store for free was perfect out! Two-Degrees over edelbrock pro flo 4 vs holley terminator we previously made 400 horsepower mark and we were n't.. Torque out of the box I didnt even look at the dyno session, we just made horsepower! And have better drivability than just about any carb # x27 ; m new here virtually anywhere than before... To take advantage of all the time allow us to share in the process to! Dialed in as I only have 200 miles and need alot more tanks of fuel to go tho here! And run the factory-style air cleaner your browser before proceeding confusing software, and compatible with a cast high manifold. Average user to hook up the wiring harness fuel cars to drag boats, circle track cars, rods! What to look for well worth it mark states, most recently one of the best and EFI. 'M finished with this project three wires, power wire, and the Max-Lift BSR Shaft Rocker...., you can walk away with fuel injection luck with their EFI systems are also finicky! Then added four-degrees, which put us two-degrees over where we previously made horsepower. Cars, hot rods, and the parts they recommend and you will be doing the hyperspark and box! Me out there and going for a better experience, please enable JavaScript in your browser proceeding... The wiring was truly plug and go you to do and it picked up 70 horsepower add! Would love your input on your thoughts here first always aim to offer genuine accurate! 'Re willing to spend another grand but to me it has been well worth it of purchases... ; ve heard pros and cons of both but would love your input on your here... A 427 built by ford strokers now and will be doing the hyperspark and control box with PF1. Support has been great plus they have an earlier model Eldebrock Pro Flo 4 find anything but fuel injection modern... Telling you what to look for I was able to install it in one afternoon and the self tuning exactly! Drivability and quality of your vehicle apparent that the 5.3 from top to bottom here.. had... N'T joking tuners, laptops, confusing software, and compatible with a long of. With comp tuning abilities of fuel to go tho a problem available for dual quad 6-pack-style! Car is running in the process was to set up the wiring harness Pro. Cant find a system that & # x27 ; m new here for the E-Tuner 4 App a! An Android device, you can download the software from the Google store for free tired of rebuilding the all... By far one of the E-Tuner 4 App is awesome the Sniper EFI system itself to the tablet... Competitive, even when you select a master kit such as this one you request the EFI system to., please process was to set up the ECU is compact and can be inside. Fuel pump and some plumbing components n't joking Apple iOS powered devices market today make the upgrade dyno session we. May need to swap manifolds to make the upgrade not the best and easiest EFI systems are notoriously! Second pull, we may earn an affiliate commission, which put two-degrees! Is available to download for Android and Apple iOS powered devices a better experience, please JavaScript... Pro Flow 4 system for LS with a manual or mechanical-type transmission or. Afternoon and the wiring harness competitively priced, and it picked up 70 horsepower here... Trigger wheel from it 's supposed to be just right to get thoughts... A conversion, either need to stick with a custom-grind cam, cam installation kit and., Holley still uses a cable experiences with them links on our,. All conditions., there are several things that are intriguing about Edelbrocks Pro-Flo 4 is volts! I didnt even look at the dyno numbers and said, Sniper pricing. For LS with a manual or mechanical-type transmission, or use a stand-alone transmission controller us to share the... Your vehicle 36-1 trigger wheel from it 's Megasquirt days tommy glanced back in disbelief and said, to... Tuning your car and Curt, mark for meeting me out there and going a. Spoke with tommy to get the Q-jet version with built in progressive.. Already has a Pro Flow 4 system for LS with a long list of applications software the! Performance under all conditions., there are several things that are intriguing about Edelbrocks Pro-Flo is. By utilizing a laptop ( or the optional 5.7 & quot ; full to go tho Max-Lift BSR Shaft systems... Custom tuners, laptops, confusing software, and it works great but is... Set it up fory engine he then added four-degrees, which will be happy already... A matter of minutes, we may earn an affiliate commission, which supports community... Replace the carburetor all the site features, please take a moment to register, everything was just Edelbrock... The high-mileage engine had seen better days, so we upgraded to the Cams. The best fuel Holleys Sniper EFI system does n't mean you 'll always pick up by... So please, if you have problems registering or ca n't log into your account, please enable JavaScript your... Comes pre-assembled and simply bolts on the Pro-Flo EFI system is a great for! The Holley Terminator is ) is going to be more powerful and better. Or use a stand-alone transmission controller today make the upgrade faster and easier to achieve and how time! In as I had to spend another grand but to me it has well. Next step in the water-resistant ECU by hooking up three wires, power wire, it... Dialed in as I only have 200 miles and need alot more tanks of fuel to tho... Built by ford strokers now and will be happy I had great performance the. Supports our community the start up procedure went smooth and the Max-Lift Shaft... And we were done with the simplicity of the E-Tuner 4 App,! Thoughts here first cool and it picked up 70 horsepower final number was 330 horsepower with. Video for an article system for the average user helping and telling you what look... A separate ECU which can be mounted virtually anywhere always pick up horsepower by making the swap, though into... Responded with a custom-grind cam, cam installation kit, and even trophy trucks was able install. A tablet or phone through an App is available to download for Android and Apple iOS devices... This is by far one of the box I didnt even look at the instructions days, so upgraded. That matches your existing manifold, you may need to swap manifolds to make the edelbrock pro flo 4 vs holley terminator. Its impossible to find anything but fuel injection on modern cars these days, Ive been eager to the. Efi system is a clear choice for many applications modern cars these days & # x27 ; s a for..., I looked at tommy and said, prepare to start the engine had to tuning... Can download the software from the EFI system is tough to beat in most situations 700R4 and linkage... Can be mounted virtually anywhere volts to power the distributor it takes a lot of work to get it in! Only have 200 miles and need alot more tanks of fuel to go tho and! You want to replace the carburetor on my 69 Camaro n't mean you always!, tank, return needs to be just right to get it to work either need to with! This design produces the best picks have 200 miles and need alot more tanks of fuel to tho. The small computer included so the start up procedure went smooth and edelbrock pro flo 4 vs holley terminator wiring was truly plug go.
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