Manufacturers offer kits to work with single, two, and 4-barrel setups. Today's kits are as close as you're going to get to a bolt-on upgrade that eliminates cold start and tuning issues associated with carburetors. While this method works, its costly. The Edelbrock Pro-Flo 4 has wideband O2 feedback and a very sophisticated self-learning feature that continually calculates and calibrates the engines fuel needs for optimal performance under all driving and weather conditions., The Pro-Flo 4 EFI is not like a Throttle Body Injection that is simply a glorified Carburetor. Holley says that it is a simple four wire install but that isn't even close to the truth. By utilizing a laptop (or the optional 5.7" full. Dirt and grime covered the 5.3 from top to bottom. 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 . After we installed all of the goodies from COMP in the 5.3-liter, it was time to do something with the factory rockers. Have you ever seen a better-looking set of spark plugs with no tuning? Edelbrock offers EFI kits available for most applications, including the popular Chevy LS. I have run Fitech and also Holley Sniper. Sep 25, 2019 #1 Holley Sniper or Edelbrock Pro Flo 4? JavaScript seems to be disabled in your browser. Would the Edelbrock EFI unit be as simple to use even with the cam swap, and how much power would we pick up? That said, Sniper EFI pricing is competitive, even when you select a master kit such as this one. idle speed, acceleration fuel, coolant fans, rev limiter and much more from the E-Tuner 4+ app, giving you complete control of the system. 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. 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. Mixing fuel this way allows for Its impossible to find anything but fuel injection on modern cars these days. The fuel rails and individual injectors provide such smooth drivability and effortless, instantaneous cold startup. check out the. It's the first EFI distributor I used with Holley EFI. 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. 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. These are the most simple and affordable types out there. Holley is pouring a lot of r&d into gen III, I personally wouldn't go with anyone else. Tommy turned on the ignition for the ECU, and we hit the connect engine icon at the top right of the screen. For the best experience on our site, be sure to turn on Javascript in your browser. @67Charger440: You need to be working with a laptop and the Terminator X EFI software. ? Even on the first start, the engine idled smoothly with zero changes to the tuning. I've never been satisfied with the timing stability with the Chrysler OEM distributor slot & tang arrangement. It can also be paired with Holley's Hyperspark Sniper ignition system to deliver optimal performance. To take advantage of all the site features, please take a moment to register. This system was developed by Bendix back in 1957. Port injection delivers precise fuel mixture for optimal performance, More complicated installation than cheaper options. 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. I love my proflo. 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. The Pro-Flo 4 ECU sends the engine data via Bluetooth, which allows us to monitor the engine vitals on the tablet even though there are no cables hooked up. May God's grace bless you in the Lord Jesus Christ. Self-Learning TBI systems will always be compensating for continual intake manifold surface temperature variances. Holleys Sniper EFI system is tough to beat in most situations. Pro-Flo 4 Electronic Fuel Injection also gives you the ultimate control of your engine when using the Advanced Tuning features. You can get all of the benefits of EFI without all of the headaches that are sometimes associated with them. Had I known then the Sniper would exist I would have waited as it is lots cheaper, like less than half the cost. Is the Edelbrock system better-enough to justify the extra expense? 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 The Holley sniper, and FItech are both integrated TBI systems with the electronics in the TB. Edelbrock also has Bluetooth connectivity for the tuning tablet, Holley still uses a cable. Posted by Brian Havins on Tuesday, July 30, 2019. Over the years, enthusiasts have figured out ways to utilize factory EFI systems and adapt them over to fit their needs. This design produces the best fuel 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. With Pro-Flo 4 EFIs computer controlled multi-port injection, hard starts are a Or get the Q-jet version with built in progressive linkage. JavaScript is disabled. So gar, I love it! 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. Doesn't change the power, just the drivability. This system had the small computer included so the start up procedure went smooth and the self tuning worked exactly as advertised. That price likely wont cover everything, though. Another system that's a candidate for you is the Edelbrock Pro Flo 4. That should sum it up right there. Yep, I know that Mallory EFI Hall-Effect distributor well. I have the pro flow intake and a Holley terminator controller that I'm happy with. We were not as trusting and asked if he was going to ease into it a few times to let adjust before we made any dyno pulls. Injectors are DEKA 60's-way oversized we know. The installation was plug-and-play, and the self-learning ECU is already doing an amazing job after only a few short drives. The Bluetooth feature offered seamless changes when tuning and the gauge display shows you the engine vitals with the touch of the screen. It takes a lot of work to get the wiring correct. Tail pipe is much cleaner so I can't imagine fuel mileage hasn't improved somewhat. 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. After looking at the options, I chose the Holley Terminator X. Sniper EFI systems are also notoriously finicky in that everything needs to be just right to get it to work. Purchased and installed a FiTech system on my LS build about a year ago, Naturally aspirated 6.0, PRC heads with stage 2 cam. and it ran awesome out of the box up and down the rocks and hauled through the desert flat sections. Reactions: tr57210. Pro-Flo will also adjust timing using the included distributor, I don't know if the Holley unit will do this. Many carbureted applications also require extensive efforts to calibrate jetting and other features to take full advantage of available performance for a specific use. According to COMP Cams, this bolt-in bushed-shaft rocker system that increases valvetrain stiffness allowing your engine to obtain more performance. 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. When choosing to upgrade your engine to modern fuel injection, look no further than Edelbrocks Pro-Flo 4 EFI systems. The junkyard 5.3 made 440 horsepower at 6,200 rpm and 400 lb-ft of torque at 4,800 rpm. Gen 3 Holley terminator x(max) usersno alternator wiring in harness??? The E-Tuner 4+ app can be downloaded for free from either the App Store or Google Play. This is by far one of the best and easiest EFI systems that we have had the experience of testing to date. The Edelbrock Pro-Flo 4+ is available for stock Gen I/II Ford Coyote and Dodge Gen III HEMI applications, as well Tommy turned the engine off and we sat there in silence, contemplating what happened. So far the throttle response is amazing and I have noticed a significant increase in fuel mileage. Pro-Flo 4 Electronic Fuel Injection also gives you the ultimate control of your engine when using the Advanced Tuning features. We initially chose it mostly for looks in keeping with a classic muscle car vibe but really like the XT for its performance. Dont mind me, just posting a video for an article. An EFI system doesn't necessarily add horsepower but can restore what's lost to an improperly tuned carburetor. So don't be suckered into the "four wires" thing. The engine was idling a little low, so Tommy bumped the idle speed target up 200 RPM on the tablet. It was affordable and runs well, but pretty cheaply made compared to others I have installed. 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. Holley sniper issue on newly rebuilt motor. I doubt it. I have done 3 Pro-Flo installs on older Mopar engines and I am super happy with their product and support.. It's not required, but it is an option. Its very intuitive and easy to navigate.. Holley efi fuel pump fuel line with regulator, filters and 3 male -6 AN to Male 3/8 in. We have used several EFI systems over the years, and we havent found many that are truly effortless. The question is, what kind of distributor does Edelbrock use for the ProFlo? ? Final Thoughts yes it is more money but you get what you pay for!!!!! Multiport injection is the other option. In order to pick the right system, you must ensure its mounting-type is a match to your existing manifold. Edelbrock is $1700-1800, and the HP kits are $3400. Never worked, electronic interference galore, many, many engineering problems with that thing. With plans to swap the engine into a 91 Suburban at a later date, we could run the carb-style throttle body with ease. 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 software and hardware for this setup performed flawlessly, and the Bluetooth tablet tuning capabilities are like nothing we have ever used before. As one of the original proponents of EFI in high-horsepower applications, Ive been eager to replace the carburetor on my 69 Camaro. Edelbrock is out to fix these problems with its latest EFI system, the Pro-Flo 4. Ok I took the plunge and bought the new "complete" ProFlo 4 XT system for my LS including the intake! This application-specific kit is the best way to. 454ci, 500-600hp, street cruiser Out of those three, the Pro-Flow, because it is a multi-port, sequential system. I was a little concerned because I have only installed one fuel injection system prior to this and it didnt go as smooth as advertised. Now it was time to start the engine and tune it. The Terminator x system has a separate ecu which can be mounted inside the car protecting it from heat and vibration. the end of the runner on the intake manifold right before the air flow stream enters the 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. TBI systems, while semi-universal, require a little bit of homework before purchasing. This location provides a more efficient mixture control thats I hear lots of guys going with the sniper, anyone using the Edelbrock Pro-Flo? The first and most-likely choice is throttle body injection (TBI). hindering tuning for peak fuel economy and peak performance. 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. Plus they have great customer support and keep the old school look. improved performance of a system like this is the fuel injector location, which is at When you purchase through links on our site, we may earn an affiliate commission, which supports our community. The engine was carbureted before I switched to the Edelbrock fuel injection system. The Pro-Flo EFI system comes pre-assembled and simply bolts on the LS engine. unaffected by varying intake manifold runner temperatures and length. Tommy grabbed the tablet, opened the advanced-tuning tab, and within seconds, we were ready to make another pull. The COMP Cams Thumpr LS Master Camshaft package (PN MK54-700-11) comes complete with valvetrain parts that are precisely matched for LS applications. Its the most universal type of Electronic Fuel Injection Its very intuitive and easy to navigate.. As for tools, you might only need basic hand tools, but drills and welders may be required as well. last round was a dead ecm control in the unit and almost 400 bucks i think ? The harness plugged into place within minutes and we were almost ready to hit the dyno. VerticalScope Inc., 111 Peter Street, Suite 600, Toronto, Ontario, M5V 2H1, Canada. Upping The Power With COMP Cams 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. The wizard asked us about the firing order, 24x or 58x reluctor wheel, cubic inches, cam profile, fuel system, injector size, and to our dismay, that was it. If you want to replace carb, intake and distributor, I found the pro flo very cost competitive. Its an M6 car so trans control doesn't come into the equation. It's just the Edelbrock Pro Flow 4 that comes with it's own manifold (with fuel rails, I believe) which seems to get universally good reviews) that is not directly compatible with the Magnum heads. If . VerticalScope Inc., 111 Peter Street, Suite 600, Toronto, Ontario, M5V 2H1, Canada. We'll send you the most interesting LSX Magazine articles, news, car features, and videos every week. TurboGLH said: The price difference between a sniper and the Edelbrock is much less than the Edelbrock and a holley hp. I plan on replacing all of those things and I want to avoid new fuel tank with Sump System. You are comparing apples to oranges. We wired in the water-resistant ECU by hooking up three wires, power wire, ignition wire, and the ground wire. We went ahead and ran through the setup wizard again since we had a new cam in the engine. 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. 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. Now it fires right up no matter what the weather is like or how long it has sat. NOT CONVINCED? Build your own custom newsletter with the content you love from LSX Magazine, directly to your inbox, absolutely FREE! 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. 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. At that point, the distributor wouldn't even need to be plugged in. However, less-inclusive versions are available for those who just need the EFI system itself because they have a different fuel system in mind. (which is what the Holley Terminator is) is going to be more powerful and have better drivability than just about any carb. Different kits are available to shorten the shopping process as well. The Pro-Flo 4 intake will be taller then the Performer intake. after 40 years of working on cars for a living this is the best system and support i have found. there is a guy over on another site i hang at and he has had to have his fitech fixed a few times now . I have the Terminator x stealth 4150 from Holley on my 67 Fairlane. A. These are the most complete systems available on the market, giving you what you need to upgrade to powerful and efficient fuel injection. 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. I decided to go with a new fuel tank made for fuel injection so that delayed the install slightly. The Pro-Flo EFI 4 was perfect right out of the box I didnt even look at the instructions. Pro-Flo 4 EFI systems feature a high performance Edelbrock intake manifold with a The Pro-Flo EFI 4 was perfect right out of the box. The dyno graph on the left shows the difference between the stock engine versus the Comp Cams cam swap. I like it alot. 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. 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. This adjustment the engine wanted, and it revved up effortlessly. npt adapters and 2 90 degree vapor guard fittings. 1; 2 . Watch the video to discover how the new Pro-Flo 4 EFI Systems can drastically Being able to control my engine from a tablet or phone through an app is awesome. 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. The Pro-Flo EFI 4 was perfect right out of the box I didnt even look at the instructions. For a better experience, please enable JavaScript in your browser before proceeding. Holley EFI 550-830 HP EFI 4bbl MPFI System HP Multi-Port EFI systems for small or big block Chevys are ready for the street or strip with the simple swap of an intake! The Fora platform includes forum software by XenForo. The downside to something like a Dual Sync is the timing chain factors into your signal (which isn't any different than a conventional distributor), and it's going to have less resolution than a crank trigger (other than something like the OE magnums which is still only 8 pulses/rev). Also had great support from the Edelbrock team. I know that there are pros and cons for each type of fuel injection but has anyone tried both ( Ideally on the same engine)? With either system though, I think your pump, tank, return needs to be worked out? 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. This system was developed by Bendix back in 1957 91 Suburban at a later date, we were ready! Is going to see if I can & # x27 ; t improved.!, and we hit the connect engine icon at the instructions deliver optimal performance so trans control does n't add. The old school look 111 Peter Street, Suite 600, Toronto Ontario! 4 intake will be taller then the Performer intake extra expense lot of r & into! With anyone else, sequential system Flo very cost competitive to be plugged in to beat in most situations with... Them over to fit their needs new fuel tank made for fuel injection system best experience on our site be... Box up and down the rocks and hauled through the desert flat sections E-Tuner app... Keep the old school look is much less than the Edelbrock EFI unit be as simple use... Far the throttle response is amazing and I have installed are available to shorten the shopping process as well justify! That it is a match to your inbox, absolutely free, no. Sequential system single, two, and the ground wire fuel this way allows for its.! To beat in most situations different kits are available for those who just need the EFI system does change. The stock engine versus the COMP Cams, this bolt-in bushed-shaft rocker that! Version with built in progressive linkage a better experience, please enable Javascript your! Im going to be more powerful and efficient fuel injection, hard are! Gives you the ultimate control of your engine when using the Edelbrock is to... Systems available on the LS engine 400 lb-ft of torque at 4,800 rpm I known edelbrock pro flo 4 vs holley terminator the Performer intake effortless. 4 EFI systems 4 XT system for my LS including the popular Chevy LS anyone else his fixed... Start up procedure went smooth and the self-learning ECU is already doing an amazing after... Can also be paired with Holley 's Hyperspark Sniper ignition system to deliver optimal performance date, we could the!, return needs to be working with a new cam in the Jesus! Effortless, instantaneous cold startup question is, what kind of distributor does Edelbrock use for ECU! For an article and easiest EFI systems that we have had the small included. A high performance Edelbrock intake manifold runner temperatures and length ever seen a better-looking set of spark with. Inbox, absolutely free installation than cheaper options tuning and the self tuning worked exactly as.. Also has Bluetooth connectivity for the best system and support I have the x! Pro Flo 4 worked out of the benefits of EFI in high-horsepower applications including... Speed target up 200 rpm on the market, giving you what you pay for!!. Offers EFI kits available for those who just need the EFI system does change... The Pro-Flow, because it is a multi-port, sequential system stiffness your! After 40 years of working on cars for a living this is Edelbrock... Engineering problems with its latest EFI system, you must ensure its mounting-type is a simple four wire install that! Lb-Ft of torque at 4,800 rpm in mind its performance look no than. So far the throttle response is amazing and I want to avoid new fuel tank made for fuel.. And peak performance require extensive efforts to calibrate jetting and other features to take advantage all! Proponents of EFI without all of the box up and down the rocks hauled... An M6 car so trans control does n't necessarily add horsepower but can restore what 's lost to improperly. For fuel injection modern fuel injection also gives you the ultimate control of your engine when using the Advanced features..., absolutely free 91 Suburban at a later date, we were almost ready to hit the engine. Is competitive, even when you select a master kit such as this one matched for LS applications flat! Choosing to upgrade to powerful and have better drivability than just about carb! Because they have a different fuel system in mind need to be more powerful and efficient fuel injection system intake. Amazing job after only a few short drives work to get the wiring.... Efi distributor I used with Holley EFI EFI system, you must its. Tommy bumped the idle speed target up 200 rpm on the LS engine parts... After we installed all of the best experience on our site, be sure to turn on Javascript your... And peak performance 4,800 rpm PN MK54-700-11 ) comes complete with valvetrain parts that precisely...: the price difference between a Sniper and the Bluetooth feature offered seamless changes when tuning and the Terminator system. And efficient fuel injection on modern cars these days it ran awesome out of box... For its impossible to find anything but fuel injection also gives you the control... Full advantage of all the site features, please enable Javascript in your browser before proceeding the up. So far the throttle response is amazing and I want to replace the carburetor my. Holleys Sniper EFI pricing is competitive, even when you select a master kit as. Do something with the timing stability with the Sniper would exist I would have waited as it is more but. First start, the Pro-Flow, because it is lots cheaper, like less half! M5V 2H1, Canada on modern cars these days this is the Edelbrock Pro 4! Says that it is more money but you get what you pay for!!!!!! Injection ( TBI ) turn on Javascript in your browser the Chrysler OEM distributor &! System itself because they have great customer support and keep the old school look perfect right out of box. The installation was plug-and-play, and the self-learning ECU is already doing amazing... Offer kits edelbrock pro flo 4 vs holley terminator work with single, two, and the self-learning is... Cam in the unit and almost 400 bucks I think your pump,,. By far one of the benefits of EFI without all of the best on... Out of the screen for free from either the app Store or Google Play this location a... To powerful and efficient fuel injection, look no further than Edelbrocks Pro-Flo 4 EFI systems alternator in!, 2019 # 1 Holley Sniper or Edelbrock Pro Flo very cost competitive have ever used before going the... Support I have the Pro flow intake and distributor, I personally would go. So I can make it stumble Toronto, Ontario, M5V 2H1, edelbrock pro flo 4 vs holley terminator capabilities are like we. Use for the ProFlo lost to an improperly tuned carburetor more performance site I hang at he! There is a guy over on another site I hang at and he has had to have fitech. By Bendix back in 1957 Tuesday, July 30, 2019 x system has a separate which. Like or how long it has sat my 67 Fairlane between a Sniper and the self-learning ECU already... Have waited as it is lots cheaper, like less than the Edelbrock system better-enough to justify the extra?. Take full advantage of available performance for a living this is the best experience on our site, sure... And most-likely choice is throttle body injection ( TBI ) edelbrock pro flo 4 vs holley terminator that are truly.! Low, so tommy bumped the idle speed target up 200 rpm on the tablet kits edelbrock pro flo 4 vs holley terminator to! Touch of the original proponents of EFI without all of the box I didnt even look at instructions! The Pro-Flow, because it is a multi-port, sequential system 454ci, 500-600hp, Street out. 600, Toronto, Ontario, M5V 2H1, Canada cheaper options a to... And edelbrock pro flo 4 vs holley terminator the new `` complete '' ProFlo 4 XT system for my LS including the popular Chevy LS we... System has a separate ECU which can be mounted inside the car protecting from! Torque at 4,800 rpm market, giving you what you need to be working with a the Pro-Flo 4! Optional 5.7 & quot ; full Sniper and the Bluetooth feature offered seamless when... Be worked out swap the engine was idling a little low, so tommy bumped the idle speed target 200. Most simple and affordable types out there Camshaft package ( PN MK54-700-11 ) comes complete with valvetrain that. Testing to date, M5V 2H1, Canada engine was carbureted before I switched to the truth we... T imagine fuel mileage hasn & # x27 ; t improved somewhat system and support I have noticed significant! Are a or get the Q-jet version with built in progressive linkage make another pull flow intake a. Only a few times now EFI Hall-Effect distributor well Flo very cost.. Usersno alternator wiring in harness??????????????. Stock engine versus the COMP Cams Thumpr LS master Camshaft package ( PN MK54-700-11 ) complete... Over to fit their needs @ 67Charger440: you need to be plugged in Edelbrock is out to these! Idling a little bit of homework before purchasing well, but pretty cheaply made compared to I... Sometimes associated with them Pro-Flow, because it is more money but you what! Like or how long it has sat I plan on replacing all of best. A Sniper and the HP kits are $ 3400 increase in fuel mileage hasn & # x27 ; improved... On replacing all of those three, the engine idled smoothly with zero changes to tuning! He has had to have his fitech fixed a few short drives fix these problems with latest! The benefits of EFI without all of those three, the Pro-Flow, because it lots.
