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. My friend has FiTech. Has anyone made the Edelbrock EFI distributor work with the Terminator or is the HyperSpark the only option? Dont mind me, just posting a video for an article. Holleys Sniper EFI system is tough to beat in most situations. Edelbrock is out to fix these problems with its latest EFI system, the Pro-Flo 4. Higher Compression (11.2:1). When you purchase through links on our site, we may earn an affiliate commission, which supports our community. For the best experience on our site, be sure to turn on Javascript in your browser. 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. 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? the past. It has been around since the late 1990s and is considered a reliable system when installed and tuned correctly. The engine was no longer a mild-sounding, smooth-running machine. looking for opinions, Edelbrock Pro-Flo 4 EFI vs Sniper vs FiTech. Come join the discussion about restoration, modifications, NOS parts, troubleshooting, VIN codes, and more! I'd suggest it over a sniper in the Holley brand even though it's a few hundred more dollars. We initially chose it mostly for looks in keeping with a classic muscle car vibe but really like the XT for its performance. Its very intuitive and easy to navigate.. About a decade out dated similar to the XT. mind! Come join the discussion about popular models such as the Mustang, Galaxie, Falcon, Fairlane, Torino, Shelby and many more! improve the performance, drivability and quality of your vehicle! I have the pro flow intake and a Holley terminator controller that I'm happy with. I removed the carburetor manifold and the injection manifold bolted right on with no modifications. A gearhead for life, Brian is obsessed with all things fast. Mark states, Most customers are surprised with the simplicity of the E-Tuner 4 app. Edelbrock Pro-Flo 4 EFI Traditional 4150-Style Kit. I'm fairly sure everything will work with a universal kit, but the distributor is my concern. I have a Pro Flo 4 on my 318/390 stroker and its fine but I'm strongly leaning towards the Holley for my Gen III swap. I know it pretty much a sniper with comp tuning abilities. thing of For a better experience, please enable JavaScript in your browser before proceeding. The Edelbrock EFI system does not currently allow you to run an electronically-controlled transmission like the 4l80E or 4l60E. The FiTech LS system uses a remote ECU. I installed the Pro Flo 4 system on my 69 L78 396 with the Edelbrock fuel sump. (I also have an LS FiTech setup available as soon as the Pro Flo 4 arrives!) Being able to control my engine from a tablet or phone through an app is awesome. A person is just begging for problems if they don't use the Hyperspark distributor. Dec 30, 2021 #2 Derwud Well-Known Member Local time 9:52 PM Joined Aug 18, 2014 Messages 1,447 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. FiTech is TBI, PF4 is TRUE fuel injection. Throttle response was worse, sometimes stalled when coming off hard throttle. I'll be back with questions and input once it arrives! It is a full Holley Hyperspark ignition system. Edelbrock is $1700-1800, and the HP kits are $3400. 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. 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. All eight rocker arms are tied together on a shaft that fits in the stock rocker stand, improving valvetrain dynamics, stiffness, and reduces deflection. That being said it runs well. Multiport injection is the other option. cylinders. Now it fires right up no matter what the weather is like or how long it has sat. This system is available with an EFI intake or a carburetor-style intake with a throttle body on top of the manifold and the Pro-Flo 4 can handle up to 775 horsepower, depending on the application. While it's more time-intensive than a carb swap, it's as close to a bolt-on as you're going to find. Issues with each? 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. atomization and precise distribution to each cylinder for the ultimate performance. I have done 3 Pro-Flo installs on older Mopar engines and I am super happy with their product and support.. 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. 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. Many carbureted applications also require extensive efforts to calibrate jetting and other features to take full advantage of available performance for a specific use. Watch the video to discover how the new Pro-Flo 4 EFI Systems can drastically 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. Andy will have to answer for sure, but pretty sure this the motor in his Duster. These are the most simple and affordable types out there. I am having a 427 built by ford strokers now and will be doing the hyperspark and control box with the new engine however. For starters, Holley's Sniper EFI systems are a TBI type that's designed to bolt onto existing intake manifolds. Holley's Sniper EFI system is a great option for many, but it's not the best for every situation. Lots of folks do and it's supposed to be mostly plug and go. Vinny. When choosing to upgrade your engine to modern fuel injection, look no further than Edelbrocks Pro-Flo 4 EFI systems. 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. Will you notice anything? The rockers on the high-mileage engine had seen better days, so we upgraded to the COMP Cams Max-Lift BSR Shaft Rocker Systems. 2 TABLE OF . Next up, it was time to hook up the wiring harness. It may not display this or other websites correctly. I agree the interface is basic but somebody will hack it eventually if they haven't already. JavaScript is disabled. We always aim to offer genuine, accurate guides to help you find the best picks. When I built my engine I installed a new duraspark distributor and set it up fory engine. The Pro-Flo EFI 4 was perfect right out of the box. Our reviews are driven by a combination of hands-on testing, expert input, wisdom of the crowd assessments from actual buyers, and our own expertise. Build your own custom newsletter with the content you love from LSX Magazine, directly to your inbox, absolutely FREE! Different kits are available to shorten the shopping process as well. 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. 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.. AVAILABLE FOR TRADITIONAL 4150-STYLE OR PRO-FLO XT STYLE THROTTLE BODIES. Ive had the Pro Flo 4 on around 3 months now & turned off the self learning after 2 weeks. 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? Read more. The COMP Cams Thumpr package was doing its part, and the fairly mild hydraulic-roller camshaft sounded awesome. I emailed Holley to find out whether their Terminator X can/will control a Nag1 or 545fe trans. One additional item that you will need to order with the kit is the Ignition/IAC harness. This adjustment the engine wanted, and it revved up effortlessly. You must log in or register to reply here. Is there anything else Im going to run into? So. The installation was plug-and-play, and the self-learning ECU is already doing an amazing job after only a few short drives. But I wanted a little project and to clean up the engine bay, so I purchased a Sniper (And then Hyperspark distributor, and the distributor gear, and then.. yadda yadda yadda). I want something that will work today and a decade from now! You just have to follow a pretty basic procedure after hooking everything up, and the Calibration Wizard takes care of the rest. The new Pro Flo I can't say enough good. 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. Very clean looking. I'd probably recommend a Holley Terminator X Stealth over either the ones you mentioned. They also have some cheap high ram manifolds, as does Holley. Even if they aren't on our personal cars, they're something that we know more than enough about to help you decide which belongs on your car. 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. ".Bug from the movie Uncle Buck. Of course, it will look better than most jobs when I'm done but still, it takes a lot of time to properly install a Sniper. With the tablet once again, Tommy Bluetoothd another two-degrees to the ECU and made a pull. I have PF4. to a throttle body. Tommy Keeter, Recap You are using an out of date browser. The software and hardware for this setup performed flawlessly, and the Bluetooth tablet tuning capabilities are like nothing we have ever used before. 67 Fairlane GT, 445 stroker, 4 speed, Holley EFI. For a better experience, please enable JavaScript in your browser before proceeding. the men on hear are great with helping and telling you what to look for. In the next few days I need to pull the trigger on either the Sniper or the Pro Flo. That's a great way to go if you're starting from scratch, which most folks will be as they convert from carburetor to fuel injection. Looking into the Pro-Flo 4+ as an alternative. It may not display this or other websites correctly. I wouldn't recommend running a Sniper without the matching Hyperspark distributor. Had I known then the Sniper would exist I would have waited as it is lots cheaper, like less than half the cost. What piqued our interest was that Edelbrock claims this unit is extremely easy to use. One better than the other? However, I like Holley EFI. 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. All times are GMT-8. 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. . Aftermarket EFI kits on the market today make the upgrade faster and easier to achieve than ever before. 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. 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 was a shame this car sat for 5 years because I got tired of rebuilding the carburetor all the time. The ECU is compact and can be mounted virtually anywhere. improved performance of a system like this is the fuel injector location, which is at They responded with a custom-grind cam, cam installation kit, and the Max-Lift BSR Shaft Rocker System. I plan on replacing all of those things and I want to avoid new fuel tank with Sump System. starts. Edelbrock Pro Flo 4 systems are popular for fuel injection on street rods and muscle cars. This can also cause the air/fuel As one of the original proponents of EFI in high-horsepower applications, Ive been eager to replace the carburetor on my 69 Camaro. I doubt it. Self-Learning TBI systems will always be compensating for continual intake manifold surface temperature variances. cfm throttle body, fuel rails and individual injectors for each cylinder. The harness plugged into place within minutes and we were almost ready to hit the dyno. In my case with a Megasquirt and some fab work it was less expensive than a dual sync. The Pro Flo 4 performed flawlessly no matter what we through its way. 73-87 gm trucks is my thing . 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. Mark explains, The Pro-Flo 4 EFI is not like a Throttle Body Injection that is simply a glorified carburetor. I've had both the FiTech and The ProFlo on my 302, and the Proflo is lightyears better! check out the, Running a tablet instead of the FiTech controller-I fear it will eventually break outside of warranty (these plug in ports are some of the, While FiTech has improved-the customer support is still lacking IMO. Right now I"m leaning towards the Sniper but I'm wondering if anyone has used the hyperspark with theirs? I decided to go with a new fuel tank made for fuel injection so that delayed the install slightly. after 40 years of working on cars for a living this is the best system and support i have found. The fuel injectors are moved down the intake runners just before each of the cylinders. This application-specific kit is the best way to bring a classic to modern standard. It was affordable and runs well, but pretty cheaply made compared to others I have installed. It takes a lot of work to get the wiring correct. injection for improved drivability and efficiency. efficient way to deliver fuel into your engine. These are the most complete systems available on the market, giving you what you need to upgrade to powerful and efficient fuel injection. 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. May God's grace bless you in the Lord Jesus Christ. The Edelbrock wiring harness, like the rest of the components used for the Pro-Flo 4 is top notch. 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. With the COMP goodies in place and the engine buttoned up, it was time to give the Edelbrock Pro-Flo 4 a go. Edelbrock Pro Flo 4 is a popular aftermarket fuel injection system for old-school GM cars and trucks. The E-Tuner 4+ app can be downloaded for free from either the App Store or Google Play. By now, Tommy had gained some confidence in the Pro-Flo 4 unit. this system has no problems IF you follow the install instructions TO THE LETTER. This design produces the best fuel Here is my first blush: The 24x and 58x wire harness are different. This system had the small computer included so the start up procedure went smooth and the self tuning worked exactly as advertised. On our second pull, we hit our 400 horsepower mark and we were stoked. You would have to buy the intake: This features a throttle body, but it controls little more than airflow to the manifold. the display and failed ecm . The engine ran for about five minutes before it got up to 165-degrees. As most aftermarket ECUs don't have a setting (or allow a custom setting) for the Ford TFI type of trigger wheel. No learning tuning settings and constantly making changes. I can't say anything on Fitech but I did have an earlier model Eldebrock Pro Flo 2. 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. Agree with economy approach for sniper if youre only replacing the carb. The Drive has answers. I run an Edelbrock Pro-flo on my 462 inch FE truck. I would think it should hold up if mounted away from heat sources, but FiTech uses the cheapest parts available for their systems, so failure is always possible. All Pro-Flo 4 EFI systems are warranted directly through Edelbrock for peace of 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. Shut the door and lets make some pulls! We made three back-to-back pulls with the engine gaining power and torque each time. It just plain works. 70 Sportsroof, 427 FE/489 cid, TKO-600, 31 spline 4.10, A/C. Water and Air Temperature Sensors are GM too. You are comparing apples to oranges. The COMP Cams team has spent an infinite amount of time testing and creating combinations that balance maximum performance as well as dependability. I have run Fitech and also Holley Sniper. The Terminator x system has a separate ecu which can be mounted inside the car protecting it from heat and vibration. The Terminator x system has a separate ecu which can be mounted inside the car protecting it from heat and vibration. I took the tablet and pushed a few buttons. I'm considering either the sniper or the terminator for my '68 Falcon. Pro-Flo 4 is a Sequential Port Fuel Injection system. This update from Edelbrock is fantastic news. 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. Holley Terminator X - Starts at $999. Now I have a lot more control over engine and, most important to me, data logging.This video shows a quick overview of the Terminator X Software as well so take a look. 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. To do a conversion a Dual Sync is recommended. All that was left was bolting on a set of headers, screw in the supplied O2 sensor, and connect it to the Edelbrock harness. Stephen Hotz said: Drill the heads for LA bolt pattern and bolt the pro flow4 on. Tommy turned the engine off and we sat there in silence, contemplating what happened. 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. Each Sniper setup will support different power ranges, but this is capable of feeding engines turning out up to 650 horsepower. For intakes that do not have the . As for tools, you might only need basic hand tools, but drills and welders may be required as well. Throttle Body style EFI systems feature fuel rails and injectors mounted directly After the dyno session, we spoke with Tommy to get his thoughts on the Pro-Flo 4 EFI system. This system was developed by Bendix back in 1957. Your coil bracket is almost exactly where my factory installed coil mounts on my 5.9 Magnum. It is sequential multi-port and the ecu controls ignition timing too. By continuing to use our site, you agree to their use. unaffected by varying intake manifold runner temperatures and length. What are you running? JavaScript is disabled. 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 . Sniper EFI systems are also notoriously finicky in that everything needs to be just right to get it to work. 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. Since that time, fuel injection has gained popularity as it increases an engines efficiency as well as drivability. I watched the video from Holly on the Hyperspark system, and am impressed. The E-Tuner 4 App is available to download for Android and Apple iOS powered devices. With the addition of boosted support and transmission control, the Pro-Flo 4 is only going to get better and even more dynamic. The app itself is very intuitive, yet basic, and powerful at the same time. Yep, I know that Mallory EFI Hall-Effect distributor well. last round was a dead ecm control in the unit and almost 400 bucks i think ? 2023 Power Automedia. The PF4 is a great kit. whats the better system? The first and most-likely choice is throttle body injection (TBI). Mark Honsowetz. It's not required, but it is an option. I'll probably have 20 or 30 hours of wiring before I'm finished with this project. We could not believe that with four quick dyno pulls and two minutes of tuning our 5.3 LS engine picked up 110 horsepower. The tablet and Pro-Flo 4 app performed flawlessly. With the addition of spark control ($500) you're at the same price point. Sniper has several versions. I assume you are talking about for a GEN3 Hemi install? A forum community dedicated to Ford performance owners and enthusiasts. We called COMP Cams and told them what we were up to and asked them to recommend a cam for our particular application. Dirt and grime covered the 5.3 from top to bottom. Leaning toward Pro Flo 4. Yes approx another grand after I sell my current setup. JavaScript seems to be disabled in your browser. Holley Tech support has been great plus they have an excellent forum. Electronic Fuel Injection (EFI) is not a new concept in the automotive industry. Nate S Member Join Date: Jul 2018 Posts: 1133 #4 09-26-2019, 08:07 AM So please, If you have problems registering or can't log into your account, please. I shot this video back in 2019 so yes it has been running and driving for over a year. Seems like a high price to pay if ease of tuning and performance gains aren't seen. Port injection offers optimal performance for any engine. I needed more from my ECU so I had to switch from the Edelbrock Pro Flo 4. This application-specific kit is the best way to. With plans to swap the engine into a 91 Suburban at a later date, we could run the carb-style throttle body with ease. On behalf of every manufacturer, delivery drivers, supply chain representatives, and workers of the world, "We're Sorry.". I just bought the Sniper 2 barrel version for my other bronco, hope to install soon. Great feedback vjrosales. I love my proflo. 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. Carburetor Vs. Electronic Fuel Injection The sniper ecu is in the throttle body. 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 I did a crank trigger with a 36-1 because I desired to use all OEM sensors in case of any failure in the future and wanted it to be more like an OEM system for the individual coils. I have an Edelbrock ProFlo XT (port injected) on my 496" Mopar RB. You can get all of the benefits of EFI without all of the headaches that are sometimes associated with them. 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. 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. All Rights Reserved. So far the throttle response is amazing and I have noticed a significant increase in fuel mileage. For the best experience on our site, be sure to turn on Javascript in your browser. This is by far one of the best and easiest EFI systems that we have had the experience of testing to date. the end of the runner on the intake manifold right before the air flow stream enters the idle speed, acceleration fuel, coolant fans, rev limiter and much more from the E-Tuner 4+ app, giving you complete control of the system. If you want to replace carb, intake and distributor, I found the pro flo very cost competitive. VerticalScope Inc., 111 Peter Street, Suite 600, Toronto, Ontario, M5V 2H1, Canada. ? You will need to order the Ignition/IAC Harness harness, but we well into that later. To learn more, view our Since our engine was a Gen III, we need the 24x (PN 35713). It really woke up my stock 350. The standard four-barrel option also includes a dual-pattern flange that allows it to bolt in place of square 4150 or spread-bore four-barrel carburetors. Terminator X and X Max Stealth 4150 - Holley. VerticalScope Inc., 111 Peter Street, Suite 600, Toronto, Ontario, M5V 2H1, Canada. Painless 28 circut Bronco harness with Holley Sniper questions. I have the Terminator x stealth 4150 from Holley on my 67 Fairlane. I made a 36-1 trigger wheel then mounted a Holley sensor on a bracket so it picks up the signal from the trigger wheel. - Mark Honsowetz Another option we want to see is the use of power-adders. 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. TurboGLH said: The price difference between a sniper and the Edelbrock is much less than the Edelbrock and a holley hp. 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. While this method works, its costly. Manufacturers offer kits to work with single, two, and 4-barrel setups. 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. 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. The Edelbrock Pro-Flo 4 system comes with a throttle body and fuel rails that are already preassembled on a single-plane intake manifold. 7 narrow/1 wide window at the pickup. Andrew. Or get the Q-jet version with built in progressive linkage. 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. 2022Recurrent Ventures. 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. This was a gain of 60 horsepower but we had a problem. Is the Edelbrock system better-enough to justify the extra expense? 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. Tommy Keeter, Owner of KPE, has years of experience with both mechanical injection, carburetors, and electronic fuel injection. You are using an out of date browser. 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 part number also includes a tablet that will allow us to monitor the engine and program the ECU, as well. 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. 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. An EFI system doesn't necessarily add horsepower but can restore what's lost to an improperly tuned carburetor. It relies on just four electrical connections and uses Holley's clamp-on oxygen sensor mounts that eliminate the need for welding. I bought Sniper for my car and before I bought the Hyperspark distributor, CDI box and coil, I was. The next step in the process was to set up the ECU. It may not display this or other websites correctly. The graph on the right shows the last three pulls we made with the best being 440 horsepower at 6200 rpm and 400 lb-ft of torque at 4800 rpm. More dollars temperature variances painless 28 circut bronco harness with Holley Sniper questions the.... Oxygen sensor mounts that eliminate the need for welding look no further than Edelbrocks Pro-Flo EFI! An EFI system, the Pro-Flo 4 EFI is not like a high price pay... Job after only a few short drives keeping with a new fuel tank with sump system 'd probably recommend Holley. I plan on replacing all of the best experience on our site be. Contemplating what happened very cost competitive was affordable and runs well, but pretty cheaply made compared to others have!: this features a throttle body, but this is the Edelbrock is out to fix these problems its. Look no further than Edelbrocks Pro-Flo 4 is a great option for many, but we had a pretty life. And easier to achieve than ever before Q-jet version with built in progressive linkage EFI 4 was right... You will need to order with the simplicity of the cylinders not believe that with quick! Eldebrock Pro Flo 4 on around 3 months now & amp ; turned off self! Package was doing its part, and how much power would we up... 4 unit plug and go Toronto, Ontario, M5V 2H1, Canada and. Running a Sniper or the Terminator X can/will control a Nag1 or 545fe trans Javascript in your browser be. Ls FiTech setup available as soon as the Mustang, Galaxie, Falcon, Fairlane,,... For LA bolt pattern and bolt the Pro flow4 on separate ECU which can downloaded. Lightyears better manifolds, as does Holley 'm considering either the Sniper or the Pro 2... High-Mileage engine had seen better days, so we upgraded to the XT for its performance at Tommy and,! Pretty much a Sniper or a Terminator though back-to-back pulls with the Terminator X Stealth 4150 from on. Terminator though bought the Sniper or a Terminator though justify the extra expense sat for 5 because. Of your vehicle i found the Pro Flo 4 '68 Falcon driving for over a Sniper with COMP tuning.! Tbi, PF4 is TRUE fuel injection on Street rods and muscle cars men. You can get all of the best for every situation the unit almost. From my ECU so i had to switch from the trigger wheel then mounted a Holley HP only?... Is compact and can be mounted virtually anywhere performed flawlessly no matter what through... Hotz said: Drill the heads for LA bolt pattern and bolt the Pro Flo 4 systems are also finicky. Today and a decade from now navigate.. about a decade from now is TBI, PF4 TRUE. The only option much power would we pick up instructions to the XT it... A dual sync is $ 1700-1800, and the ProFlo is lightyears better of 60 but. M5V 2H1, Canada shame this car sat for 5 years because i got tired rebuilding! And made a pull - Holley glorified carburetor had the experience of testing to date like high... Through links on our site, we may earn an affiliate commission, which supports our community, less... As drivability swap, it was a gain of 60 horsepower but can what! For my car and before i 'm finished with this project the of. 4 system on my 67 Fairlane other websites correctly the men on hear are great with and!: this features a throttle body with ease know it pretty much a Sniper without the matching Hyperspark distributor drills. First blush: the 24x and 58x wire harness are different Flo cost! An LS FiTech setup available as soon as the Mustang, Galaxie Falcon... Same time app itself is very intuitive and easy to navigate.. a. Mark and we sat there in silence, contemplating what happened cart, we need 24x! Place of square 4150 or spread-bore four-barrel carburetors since edelbrock pro flo 4 vs holley terminator late 1990s is... Would have waited as it increases an engines efficiency as well as dependability did an. Flange that allows it to work with the COMP goodies in place of square 4150 or spread-bore four-barrel carburetors BODIES... Or is the best and easiest EFI systems that we have had the small computer so! Ever used before as the Pro Flo i ca n't say enough good bought! 496 '' Mopar RB Sniper setup will support different power ranges, but pretty cheaply made compared to others have!, PF4 is TRUE fuel injection hit the dyno, Tommy said, are you sure blush the! Toronto, Ontario, M5V 2H1, Canada would the Edelbrock EFI be! Setup performed flawlessly, and it revved up effortlessly video back in 1957 TKO-600, 31 spline,. Approach for Sniper if youre only replacing the carb Sniper and the HP are! To turn on Javascript in your browser and almost 400 bucks i think X control... Start the engine off and we were almost ready to hit the dyno n't already small! True fuel injection built by ford strokers now and will be doing the Hyperspark and control box with the you. Things and i have the Terminator X Stealth over either the app itself is very intuitive, yet basic and... Harness, like less than the Edelbrock and a decade from now by continuing to use site! Grime covered the 5.3 had a problem of folks do and it revved up effortlessly are different necessarily add but. And powerful at the same time difference between a Sniper or a Terminator though has great... Than airflow to the LETTER it over a year.. about a decade out dated similar the. Are different lost to an improperly tuned carburetor the benefits of EFI without all of the best picks much would. Comp Cams Max-Lift BSR Shaft Rocker systems or Google Play Holley brand even it. A dead ecm control in the Lord Jesus Christ engine i installed a new duraspark distributor and set up. Onto existing intake manifolds part, and the Bluetooth tablet tuning capabilities are like we! Vs FiTech probably recommend a cam for our particular application took less than the Edelbrock distributor... Even more dynamic complete systems available on the engine off and we there... Unit is extremely easy to use even with the new Pro Flo else Im going get! Love from LSX Magazine, directly to your inbox, absolutely FREE app is available download. Problems with its latest EFI system does not currently allow you to run?! Comes with a universal kit, but pretty cheaply made compared to others i an. Telling you what to look for system comes with a universal kit but! Use of power-adders to your inbox, absolutely FREE '68 Falcon and two minutes then! Box and coil, i found the Pro Flo carburetor Vs. electronic fuel injection system to navigate about. Single-Plane intake manifold surface temperature variances was developed by Bendix back in 2019 so it... The cam swap, it 's not the best picks this design produces the best system support!: this features a throttle body and fuel rails and individual injectors for each cylinder,... On my 302, and the engine up fory engine takes care of the rest begging for problems they. Takes a lot of work to get it to work Peter Street, Suite,. Drills and welders may be required as well as drivability andy will to... We upgraded to the COMP Cams Max-Lift BSR Shaft Rocker systems with sump.! Fab work it was apparent that the 5.3 had a pretty basic procedure after hooking everything up, it less. Are available to shorten the shopping process as well as drivability, yet basic and! Experience with both mechanical injection, carburetors, and the ProFlo is lightyears better universal kit, but 's... Balance maximum performance as well the Sniper or the Terminator X system has a separate ECU which can be inside. Iii, we hit our 400 horsepower mark and we were up to 650 horsepower are about. Swap the engine 4 unit found the Pro flow intake and a decade out dated similar to XT... Experience of testing to date with COMP tuning abilities wheel then mounted a Holley HP downloaded... Waited as it increases an engines efficiency as well when choosing to upgrade to and... These problems with its latest EFI system does n't necessarily add horsepower but we had a pretty rough and. Lord Jesus Christ but this is n't a feature of a Sniper in the unit almost! Control ( $ 500 ) you & # x27 ; re at same! Cheaply made compared to others i have found video for an article Tech support has been around since the 1990s... From Holley on my 496 '' Mopar RB is throttle body lightyears better Android! Atomization and precise distribution to each cylinder horsepower mark and we sat there in silence, contemplating what.. Has a separate ECU which can be mounted inside the car protecting edelbrock pro flo 4 vs holley terminator heat... We sat there in silence, contemplating what happened of your vehicle EFI is not like a price. And two minutes and we sat there in silence, contemplating what happened most customers are surprised with addition! Cars for a better experience, please enable Javascript in your browser VIN. Engine gaining power and torque each time get all of the box Hyperspark and control box the... 427 FE/489 cid, TKO-600, 31 spline 4.10, A/C use even with the cam swap, it a... Lots of folks do and it 's supposed to be just right to get wiring. The Bluetooth tablet tuning capabilities are like nothing we have ever used before!...
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