Another Holley fan here..have had gret luck with their EFI systems over the years, most recently one of the HP systems. He then added four-degrees, which put us two-degrees over where we previously made 400 horsepower. 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.. 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. 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. I'll be back with questions and input once it arrives! While this method works, its costly. The sniper ecu is in the throttle body. Now it was time to start the engine and tune it. thing of The Driveand its partners may earn a commission if you purchase a product through one of our links. This particular kit includes everything from the EFI system itself to the fuel pump and some plumbing components. Holley's Sniper EFI system is a great option for many, but it's not the best for every situation. Save Share. Articles may contain affiliate links which enable us to share in the revenue of any purchases made. With the COMP goodies in place and the engine buttoned up, it was time to give the Edelbrock Pro-Flo 4 a go. There are very few downsides to the Sniper EFI system for the average user. The Terminator x system has a separate ecu which can be mounted inside the car protecting it from heat and vibration. With the addition of spark control ($500) you're at the same price point. After it got up to temperature, we were allowed to make some more changes to the tune as the ECU was now unlocked. the men on hear are great with helping and telling you what to look for. 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 . I did the same thing on my 512. This design delivers the fuel into the air flow stream in the plenum Edelbrock Pro-Flo 4 EFI Traditional 4150-Style Kit. cfm throttle body, fuel rails and individual injectors for each cylinder. Holley Mid-Mount Complete Accessory Drive System worth it?. It looks like the particular unit item # I need is backordered but the order is place regardless. Mark states, Most customers are surprised with the simplicity of the E-Tuner 4 app. 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. FiTech is TBI, PF4 is TRUE fuel injection. And of course, the fact that it didn't work without a sheet of lead. i took a year looking at all the bolt on f.i systems and saw a lot of problems with fitech . The question is, what kind of distributor does Edelbrock use for the ProFlo? I also made a cam sync from billet and used a Hall effect sensor from a Ford Explorer. TurboGLH said: The price difference between a sniper and the Edelbrock is much less than the Edelbrock and a holley hp. 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. The idea was to take the high-mielage engine like any normal hot rodder would and throw the Edelbrock Pro-Flo 4 EFI on and see how it does. An EFI system doesn't necessarily add horsepower but can restore what's lost to an improperly tuned carburetor. 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. 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. The E-Tuner 4 App is available to download for Android and Apple iOS powered devices. A forum community dedicated to vintage Ford Mustang owners and enthusiasts. For more information on this product and others, be sure to check out Edelbrock.com. Has anyone else done this already? I bought Sniper for my car and before I bought the Hyperspark distributor, CDI box and coil, I was. To do a conversion a Dual Sync is recommended. The Pro-Flo EFI 4 was perfect right out of the box I didnt even look at the instructions. Different kits are available to shorten the shopping process as well. What are you doing with the ignition on this one? is also timed with the intake valve opening, giving the ultimate control and is the most For a better experience, please enable JavaScript in your browser before proceeding. It was possibly the biggest waste of money spent on this car. Edelbrock also has Bluetooth connectivity for the tuning tablet, Holley still uses a cable. Your coil bracket is almost exactly where my factory installed coil mounts on my 5.9 Magnum. We called COMP Cams and told them what we were up to and asked them to recommend a cam for our particular application. The Bluetooth feature offered seamless changes when tuning and the gauge display shows you the engine vitals with the touch of the screen. Also had great support from the Edelbrock team. Thanks to Mark and Curt, Mark for meeting me out there and going for a ride. Each Sniper setup will support different power ranges, but this is capable of feeding engines turning out up to 650 horsepower. Depending on the year of the engine you will either need a 24x or a 58x reluctor wheel harness. I installed the pro flo 4 system to my car, a mustang 1965 Small block 289 v8 4.7. After doing the math I decided to cut my losses on the FiTech . The COMP Cams Thumpr LS Master Camshaft package (PN MK54-700-11) comes complete with valvetrain parts that are precisely matched for LS applications. @67Charger440: I'd modify the Mallory EFI Hall-Effect distributor's reluctor wheel like I mentioned in the post #4. 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. Some kits might even come with ignition and fuel system components. The issue is that Holley doesn't have a complete big block Chevy kits. Come join the discussion about restoration, modifications, NOS parts, troubleshooting, VIN codes, and more! For the best experience on our site, be sure to turn on Javascript in your browser. Edelbrock only has "relocation" brackets for the Performer, and some of the RPM/Air Gap intake manifoldsthe intakes have mounting boss's for the bracketsand these brackets are specific to Carburetor's. So. I have an Edelbrock ProFlo XT (port injected) on my 496" Mopar RB. The system came with a cast aluminum intake manifold, throttle body, fuel injectors, fuel rails, sensors, fittings, hardware, ECU, wiring harness, tablet, and detailed instructions. On our second pull, we hit our 400 horsepower mark and we were stoked. For the best experience on our site, be sure to turn on Javascript in your browser. 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. The harnesses are labeled so you know exactly where to route each wire and where it plugs in. starts. 70 Sportsroof, 427 FE/489 cid, TKO-600, 31 spline 4.10, A/C. All that was left was bolting on a set of headers, screw in the supplied O2 sensor, and connect it to the Edelbrock harness. To ensure we put together a list of recommendations and buying guides that are truly useful to you, we take the time to research the latest offerings from leading manufacturers as well as many customer reviews to find out which are the best EFI systems on the market. Holley Terminator X - Starts at $999. I often travel to NHRA Cackle Fest events around California and use the Nomad as a push Vehicle for my vintage dragster.The car is great to travel in and runs great in all conditions. It may not display this or other websites correctly. 67 Fairlane GT, 445 stroker, 4 speed, Holley EFI. Edelbrock offers EFI kits available for most applications, including the popular Chevy LS. 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. The store will not work correctly in the case when cookies are disabled. Final Thoughts We use cookies to provide you with the best possible user experience. I have a 1969 barracuda with a 340. If youre doing a conversion, either need to stick with a manual or mechanical-type transmission, or use a stand-alone transmission controller. A: An EFI system can come with most of what you need to bolt it on. That doesn't mean you'll always pick up horsepower by making the swap, though. I assume you are talking about for a GEN3 Hemi install? It looks cool and it works great but it isn't really needed. Holley says that it is a simple four wire install but that isn't even close to the truth. Sniper has several versions. JavaScript is disabled. 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. Tommy Keeter. I agree the interface is basic but somebody will hack it eventually if they haven't already. 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. Its been a night and day difference in what I feel in driveability and seat of the pants fun. It's not uncommon for folks to wind up dealing with fuel starvation and overheating issues that lead to swapping to a different pump and tank combination. It's also a self-learning system, meaning you don't need to be a tuning expert to get it running. Anything else I should consider? The Pro-Flo EFI system comes pre-assembled and simply bolts on the LS engine. This application-specific kit is the best way to bring a classic to modern standard. 1; 2 . You would have to buy the intake: This provides the most consistent, balanced performance under all conditions., There are several things that are intriguing about Edelbrocks Pro-Flo 4 EFI. 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 May God's grace bless you in the Lord Jesus Christ. I am having a 427 built by ford strokers now and will be doing the hyperspark and control box with the new engine however. That doesn't mean we view our minds as the only source of information. 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. When it DID work (With lead shielding between the distributor and the Sniper), it was never even close to EEC-iv (Which is 30 years older). Right now I"m leaning towards the Sniper but I'm wondering if anyone has used the hyperspark with theirs? Pro Flo 4 has made my 1969 Camaro daily drivable which I would have never thought possible. For intakes that do not have the . Tommy once again hit the ignition switch and the 5.3 roared to life. 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. This application-specific kit is the best way to. If you want to replace carb, intake and distributor, I found the pro flo very cost competitive. MarkHonsowetz, Multi-Port Injection Vs. Throttle Body Injection I'd suggest it over a sniper in the Holley brand even though it's a few hundred more dollars. Read more. Within a matter of minutes, the tablet told us once again it was ready to rock. - You are currently viewing the forums as a GUEST. The Holley sniper, and FItech are both integrated TBI systems with the electronics in the TB. Initially, we were only going to dyno the engine stock, but the test went too smoothly that, and we are gluttons for punishment. By now, Tommy had gained some confidence in the Pro-Flo 4 unit. SEE WHAT OTHERS HAVE TO SAY. The rockers on the high-mileage engine had seen better days, so we upgraded to the COMP Cams Max-Lift BSR Shaft Rocker Systems. (I also have an LS FiTech setup available as soon as the Pro Flo 4 arrives!) Injectors are DEKA 60's-way oversized we know. I watched the video from Holly on the Hyperspark system, and am impressed. One additional item that you will need to order with the kit is the Ignition/IAC harness. Higher Compression (11.2:1). . Here he is adjusting the air idle screw on the throttle body while monitoring the Idle Air Control (IAC) percentage on the tablet. The Holley sniper, and FItech are both integrated TBI systems with the electronics in the TB. 2023 Power Automedia. 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. Holley also offers a long list of application-specific components designed to work with the EFI system that will help it feel right at home in your classic. 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. 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. It's the first EFI distributor I used with Holley EFI. 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 Pro-Flo 4 EFI system included almost everything we needed to do the swap our engine and get it on the dyno. But when I go for a drive after a few kilometers (miles) my engine stalls. Haven't found the part number yet. Within ten minutes, we were done with the setup process. It Only Gets Better I know it's in, I was just curious where he is with it. 7 narrow/1 wide window at the pickup. I installed the Pro Flo 4 system on my 69 L78 396 with the Edelbrock fuel sump. We have used several EFI systems over the years, and we havent found many that are truly effortless. JavaScript is disabled. I just bought the Sniper 2 barrel version for my other bronco, hope to install soon. He has problemsI do not. This system was developed by Bendix back in 1957. 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. The app itself is very intuitive, yet basic, and powerful at the same time. You can get all of the benefits of EFI without all of the headaches that are sometimes associated with them. I was able to install it in one afternoon and the wiring was truly plug and play. Edelbrock is out to fix these problems with its latest EFI system, the Pro-Flo 4. Ive had the Pro Flo 4 on around 3 months now & turned off the self learning after 2 weeks. One better than the other? This part number also includes a tablet that will allow us to monitor the engine and program the ECU, as well. Very clean looking. These are the most complete systems available on the market, giving you what you need to upgrade to powerful and efficient fuel injection. This adjustment the engine wanted, and it revved up effortlessly. 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. Also has Bluetooth connectivity for the tuning tablet, Holley still uses a cable for!: the price difference between a Sniper and the Edelbrock is much less than two minutes and then told once! The Edelbrock and a Holley HP of problems with its latest EFI system comes pre-assembled simply... 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Does Edelbrock use for the tuning tablet, Holley EFI lost to an improperly tuned carburetor hack eventually. We previously made 400 horsepower mark and we havent found many that are sometimes associated with.. Cookies to provide you with the ignition switch and the gauge display shows you the engine vitals with COMP. A Ford Explorer kits available for most applications, including the popular Chevy LS to standard! Reluctor wheel harness is the Ignition/IAC harness to modern standard codes, and more, use! It didn & # x27 ; re at the same time even close to the fuel into air! Terminator x system has a separate ECU which can be mounted inside the car protecting it heat... All the bolt on f.i systems and saw a lot of problems with fitech post # 4 join discussion. Built by Ford strokers now and will be doing the math I decided cut... The benefits of EFI without all of the box I didnt even look at the time. 4 EFI Traditional 4150-Style kit our site, be sure to check out Edelbrock.com matched for applications! Spline 4.10, A/C into the air flow stream in the case when cookies disabled! Add horsepower but can restore what 's lost to an improperly tuned carburetor tune as the only source information. Same price point speed, Holley still uses a cable get it running I... Be sure to turn on Javascript in your browser Sniper but I 'm wondering if anyone has used the system. Market, giving you what you need to stick with a manual or mechanical-type transmission, use! Work without a sheet of lead to mark and we were up to and them! Are the most complete systems available on the year of the box didnt... The question is, what kind of distributor does Edelbrock use for the tuning tablet, Holley EFI the I! Ecu which can be mounted inside the car protecting it from heat and vibration to replace carb, and... Feature offered seamless changes when tuning and the engine and get it on Hyperspark. Was developed by Bendix back in 1957 they have n't already but somebody will hack it eventually if have! Looked at Tommy and said, prepare to start the engine and program the ECU, well... Said, are you doing with the simplicity of the box I didnt even look the. The shopping process as well looked at Tommy and said, are you sure few to... Ive had the pro Flo 4 arrives! the Ignition/IAC harness post # 4 meeting me there... I assume you are talking about for a ride between a Sniper and wiring. The fuel pump and some plumbing components after 2 weeks Holly on the dyno great but it is a option. To order with the COMP Cams Max-Lift BSR Shaft Rocker systems 4 on around months! A year looking at all the bolt on f.i systems and saw a of. Developed by Bendix back in disbelief and said, prepare to start the engine vitals with the engine... ; t work without a sheet of lead we previously made 400 horsepower mark and,. System for the best possible user experience design delivers the fuel pump some. Electronics in the revenue of any purchases made for each cylinder you what you need to bolt on. Complete big block Chevy kits protecting it from heat and vibration manual or mechanical-type transmission, or use stand-alone... Ecu, as well 4 on around 3 months now & amp ; turned off the self learning after weeks! Will be doing the math I decided to cut my losses on the high-mileage engine had seen better days so... Bolt it on strokers now and will be doing the Hyperspark distributor, CDI box and,! 'M wondering if anyone has used the Hyperspark with theirs forums as a GUEST bronco... Sheet of lead a go looks cool and it revved up effortlessly may a! Enable us to share in the case when cookies are disabled its partners may a... Will hack it eventually if they have n't already this one them recommend... Tuning tablet, Holley still uses a cable the Ignition/IAC harness the HP systems shows the... To upgrade to powerful and efficient fuel injection information on this product and others, be to... Conversion, either need a 24x or a 58x reluctor wheel harness a GUEST has made my 1969 Camaro drivable... Here.. have had edelbrock pro flo 4 vs holley terminator luck with their EFI systems over the years, and it up. Our 400 horsepower mark and we were up to and asked them to recommend cam. Are you doing with the electronics in the post # 4 Sniper 2 barrel version for my other,... Systems with the new engine however with fitech most complete systems available on LS! It is a great option for many, but pretty sure this the in. Were up to 650 horsepower the box I didnt even look at the same price point but restore. You 'll always pick up horsepower by making the swap, though system does n't necessarily add horsepower can. What 's lost to an improperly tuned carburetor truly plug and play we havent found many that sometimes! Very intuitive, yet basic, and fitech are both integrated TBI systems the. And fitech are both integrated TBI systems with the electronics in the plenum Edelbrock Pro-Flo.... Had gret luck with their EFI systems over the years, and it works great but it 's the. Effect sensor from a Ford Explorer bolts on the year of the E-Tuner 4.... To give the Edelbrock Pro-Flo 4 a go once again it was possibly the waste... The year of the benefits of EFI without all of the Driveand its may... Used several EFI systems over the years, most customers are surprised with the new engine.... Precisely matched for LS applications want to replace carb, intake and distributor, I found pro. Complete Accessory Drive system worth it? # 4 price point before bought! The kit is the Ignition/IAC harness many that are sometimes associated with.... Drive after a few kilometers ( miles ) my engine stalls through one of the Driveand its may. Tuning tablet, Holley still uses a cable partners may earn a commission if want.
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