Final Thoughts 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. MarkHonsowetz, Multi-Port Injection Vs. Throttle Body Injection 49K views 3 years ago Vinny Costa, editor of Street Muscle Magazine travels to Orange County Hot Rods to see the install of an Edelbrock Pro-Flo 4 Electronic fuel injection system on an LS. The rockers on the high-mileage engine had seen better days, so we upgraded to the COMP Cams Max-Lift BSR Shaft Rocker Systems. mixture to separate as it flows to the cylinders, resulting in an uneven mixture between The fuel injectors are moved down the intake runners just before each of the cylinders. 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? Holley says that it is a simple four wire install but that isn't even close to the truth. TBI systems, while semi-universal, require a little bit of homework before purchasing. Mark explains, The Pro-Flo 4 EFI is not like a Throttle Body Injection that is simply a glorified carburetor. The Driveand its partners may earn a commission if you purchase a product through one of our links. I run an Edelbrock Pro-flo on my 462 inch FE truck. You can get all of the benefits of EFI without all of the headaches that are sometimes associated with them. The Ed compares more say, to a Holley HP, or at least one that uses the HP computer. Just wondering if anyone has either one or maybe even some other brand to reccomend. You are using an out of date browser. JavaScript is disabled. the display and failed ecm . Mark noted, For power-adders, we have a new release for the E-Tuner 4 App. Holley is pouring a lot of r&d into gen III, I personally wouldn't go with anyone else. system, but its not ideal for high performance engines. improve the performance, drivability and quality of your vehicle! 350, 4 speed, 3:55's Holley Sniper EFI. I have the pro flow intake and a Holley terminator controller that I'm happy with. We went ahead and ran through the setup wizard again since we had a new cam in the engine. I have a 1969 barracuda with a 340. 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. Lots of folks do and it's supposed to be mostly plug and go. This causes inconsistent and unsatisfactory performance caused by poor atomization and uneven cylinder distribution. I wouldn't recommend running a Sniper without the matching Hyperspark distributor. There are very few downsides to the Sniper EFI system for the average user. When you purchase through links on our site, we may earn an affiliate commission, which supports our community. It's not required, but it is an option. JavaScript is disabled. 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'm getting ready to do some upgrades over the winter and EFI is on the list. An EFI system doesn't necessarily add horsepower but can restore what's lost to an improperly tuned carburetor. My friend has FiTech. All times are GMT-8. 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! 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'd suggest it over a sniper in the Holley brand even though it's a few hundred more dollars. 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. Had I known then the Sniper would exist I would have waited as it is lots cheaper, like less than half the cost. more to add from me now i have time after work . It is a full Holley Hyperspark ignition system. The engine was still making power when it hit the rev-limiter. 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. This part number also includes a tablet that will allow us to monitor the engine and program the ECU, as well. If you do a regular version, add a progressive throttle linkage and computer controlled timing. Another system that's a candidate for you is the Edelbrock Pro Flo 4. Pro-Flo 4 is a Sequential Port Fuel Injection system. combustion chamber. 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. NOT CONVINCED? Key to the improved performance of a system like this is the fuel injector location, which is at the end of the runner on the intake manifold right before the air flow stream enters the combustion chamber. Agree with economy approach for sniper if youre only replacing the carb. The Terminator x system has a separate ecu which can be mounted inside the car protecting it from heat and vibration. To learn more, view our. I also made a cam sync from billet and used a Hall effect sensor from a Ford Explorer. The app itself is very intuitive, yet basic, and powerful at the same time. Granted, we havent tried all of the EFI units on the market, but we have played with our fair share. This was a gain of 60 horsepower but we had a problem. In that time I've replaced the oxygen sensor but other than that it has worked great, no complaints. I have run Fitech and also Holley Sniper. I installed the pro flo 4 system to my car, a mustang 1965 Small block 289 v8 4.7. 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. The dyno graph on the left shows the difference between the stock engine versus the Comp Cams cam swap. With Pro-Flo 4 EFIs computer controlled multi-port injection, hard starts are a Articles may contain affiliate links which enable us to share in the revenue of any purchases made. I'll probably have 20 or 30 hours of wiring before I'm finished with this project. Also had great support from the Edelbrock team. Multiport injection systems typically come with replacement intake manifolds, so those buyers just need to ensure they pick the right fit for their engine. It Only Gets Better 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. Is the Edelbrock system better-enough to justify the extra expense? yes it is more money but you get what you pay for!!!!! When choosing to upgrade your engine to modern fuel injection, look no further than Edelbrocks Pro-Flo 4 EFI systems. Initially, we were only going to dyno the engine stock, but the test went too smoothly that, and we are gluttons for punishment. The junkyard LS still picked up some power but not near as much as the previous pull, which told us were about done with the timing table. I'll be back with questions and input once it arrives! Painless 28 circut Bronco harness with Holley Sniper questions. Just make sure it will cover your HP requirments. Edelbrock Pro-Flo 4 EFI Traditional 4150-Style Kit. Mark Honsowetz. Holley Terminator X - Starts at $999. Its simple, competitively priced, and compatible with a long list of applications. The Pro-Flo 4 EFI system included almost everything we needed to do the swap our engine and get it on the dyno. These are the most complete systems available on the market, giving you what you need to upgrade to powerful and efficient fuel injection. Tail pipe is much cleaner so I can't imagine fuel mileage hasn't improved somewhat. We'll send you the most interesting LSX Magazine articles, news, car features, and videos every week. If . At that point, the distributor wouldn't even need to be plugged in. For starters, Holley's Sniper EFI systems are a TBI type that's designed to bolt onto existing intake manifolds. For more information on this product and others, be sure to check out Edelbrock.com. Tommy grabbed the tablet, opened the advanced-tuning tab, and within seconds, we were ready to make another pull. I'm doing a Sniper XFlow install on a 700 hp big block right now. 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. SEE WHAT OTHERS HAVE TO SAY. 1; 2 . What are you doing with the ignition on this one? Holley's Sniper EFI system is a great option for many, but it's not the best for every situation. I did the same thing on my 512. Mixing fuel this way allows for Pro-Flo 4 EFI functions much like modern fuel injected cars today utilizing eight injectors, one at each cylinder that injects fuel on time with the intake valve opening. Again, it depends on the kit youre working with. - Mark Honsowetz 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. 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. I plan on replacing all of those things and I want to avoid new fuel tank with Sump System. 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. Anything else I should consider? similar to a carburetor. . As most aftermarket ECUs don't have a setting (or allow a custom setting) for the Ford TFI type of trigger wheel. I didn't use the hyperspark system. They also have some cheap high ram manifolds, as does Holley. So gar, I love it! I know that there are pros and cons for each type of fuel injection but has anyone tried both ( Ideally on the same engine)? I like it alot. 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 . Amazon.com: Edelbrock 4268 Air Cleaner Elite II 14in . Then you just use a 5.2/5.9 Mag distributor for the cam sensor. With the intake manifold off, it was apparent that the 5.3 had a pretty rough life and was remarkably dirty. It's the first EFI distributor I used with Holley EFI. I know it's in, I was just curious where he is with it. While it's more time-intensive than a carb swap, it's as close to a bolt-on as you're going to find. is also timed with the intake valve opening, giving the ultimate control and is the most Save Share. So far the throttle response is amazing and I have noticed a significant increase in fuel mileage. Instantly, the engine jumped up 200 RPM in real-time, and it didnt require us to turn the ECU off and on to accept the changes. Edelbrock allows remote installation of the ecm. However, there are some issues you should be aware of. This update from Edelbrock is fantastic news. Tommy Keeter, Owner of KPE, has years of experience with both mechanical injection, carburetors, and electronic fuel injection. So, while the master kit is a great option for some, it's essential to consider the specifics of your application and whether that particular fuel system is going to work for you. Its pretty apparent that EFI is superior over a carburetor, but is there that much difference between the MPI Pro-Flo 4 unit and TBI? All rights reserved. I love my proflo. Is there anything else Im going to run into? check out the. Edelbrock combines the CRANK and CAM (two separate wires from the ECU into one connection at the distributor) trigger signals into one. 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. Come join the discussion about popular models such as the Mustang, Galaxie, Falcon, Fairlane, Torino, Shelby and many more! Edelbrock is out to fix these problems with its latest EFI system, the Pro-Flo 4. Thanks to Mark and Curt, Mark for meeting me out there and going for a ride. However, edelbrock's pro flo seems more advanced (and more expensive) but it also has a slightly more complicated setup. 73-87 gm trucks is my thing . The software and hardware for this setup performed flawlessly, and the Bluetooth tablet tuning capabilities are like nothing we have ever used before. Looking into the Pro-Flo 4+ as an alternative. Pro-Flo 4 is 5 volts to power the distributor. Using the hyperspark? When you purchase through links on our site, we may earn an affiliate commission, which supports our community. 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. Holley efi fuel pump fuel line with regulator, filters and 3 male -6 AN to Male 3/8 in. 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. 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). After the dyno session, we spoke with Tommy to get his thoughts on the Pro-Flo 4 EFI system. Holley Tech support has been great plus they have an excellent forum. It may not display this or other websites correctly. Watch the video to discover how the new Pro-Flo 4 EFI Systems can drastically This type works by placing the fuel injectors in the throttle body, creating a situation where a controlled mixture of fuel and air is pulled through the manifold. the end of the runner on the intake manifold right before the air flow stream enters the Copyright 2022 Holley Performance Products, Inc. All right reserved. It really woke up my stock 350. This application-specific kit is the best way to. And of course, the fact that it didn't work without a sheet of lead. Port injection delivers precise fuel mixture for optimal performance, More complicated installation than cheaper options. 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. On our second pull, we hit our 400 horsepower mark and we were stoked. whats the better system? I doubt it. looking for opinions, Edelbrock Pro-Flo 4 EFI vs Sniper vs FiTech. The setup wizard is extremely simple and self-explanatory. 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. After the engine was set up on the dyno cart, we removed the factory composite intake on the engine. Would the Edelbrock EFI unit be as simple to use even with the cam swap, and how much power would we pick up? We wired in the water-resistant ECU by hooking up three wires, power wire, ignition wire, and the ground wire. Our final number was 330 horsepower and 347 lb-ft of torque out of a 108,000-mile junkyard engine. We will safeguard your e-mail and only send content you request. The ECU is compact and can be mounted virtually anywhere. AVAILABLE FOR TRADITIONAL 4150-STYLE OR PRO-FLO XT STYLE THROTTLE BODIES. Water and Air Temperature Sensors are GM too. I'll say it has been a great system for a street only car, but is WOEFULLY lacking for the strip. We promise not to use your email address for anything but exclusive updates from the Power Automedia Network. For a better experience, please enable JavaScript in your browser before proceeding. Terminator X and X Max Stealth 4150 - Holley. I use a crank trigger on my Duster engine with coils but that is kind of overkill for a street engine. We could not believe that with four quick dyno pulls and two minutes of tuning our 5.3 LS engine picked up 110 horsepower. Seems like a high price to pay if ease of tuning and performance gains aren't seen. Now it was time to start the engine and tune it. No learning tuning settings and constantly making changes. The Holley software interfaces are pretty much the same across the board..just more features in some compared to others. It should be in the 500ish flywheel range. I currently have stock set up and an old distributor which I'm going to upgrade. The question is, what kind of distributor does Edelbrock use for the ProFlo? 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. This isn't a feature of a sniper or a terminator though. 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. 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. After we installed all of the goodies from COMP in the 5.3-liter, it was time to do something with the factory rockers. Drivability improved greatly. Pro-Flo 4+ is the most simplified EFI Engine Management System on the market, providing EFI support for late-model Gen III/IV LS, Gen I/II Ford Coyote and Dodge Gen III HEMI engines with drive-by-wire throttle and variable camshaft timing (VCT) in hot rod transplant applications. The fuel injector We love carbs, but theres always room for fuel injection. The engine was no longer a mild-sounding, smooth-running machine. Whether you have a stock engine, crate or custom-built engine, HP Multi-Port systems can help you maximize performance! I emailed Holley to find out whether their Terminator X can/will control a Nag1 or 545fe trans. 2022Recurrent Ventures. Very clean looking. This location provides a more efficient mixture control thats 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. through the intake manifold to the combustion chamber. It can also be paired with Holley's Hyperspark Sniper ignition system to deliver optimal performance. Great feedback vjrosales. The Drive has answers. Ok I took the plunge and bought the new "complete" ProFlo 4 XT system for my LS including the intake! The kit also includes a distributor, ECU, gaskets, and wiring harnesses. hindering tuning for peak fuel economy and peak performance. The software and hardware for this setup performed flawlessly, and the Bluetooth tablet tuning capabilities are like nothing we have ever used before. https://forums.edelbrock.com/filedat?photoid=42773, If this is your first visit, be sure to If you are planning on running the factory LS fuel injection, you can purchase the Pro-Flo 4 EFI ECU & Engine Harness Kit for GEN III 24x LS Engines, for only $1,173.95.