The engine ran for about five minutes before it got up to 165-degrees. 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. Another option we want to see is the use of power-adders. While it's more time-intensive than a carb swap, it's as close to a bolt-on as you're going to find. So my vote is Holley. Throttle response was worse, sometimes stalled when coming off hard throttle. The Pro-Flo 4 intake will be taller then the Performer intake. Ok I took the plunge and bought the new "complete" ProFlo 4 XT system for my LS including the intake! This can also cause the air/fuel The Edelbrock Pro-Flo 4+ is available for stock Gen I/II Ford Coyote and Dodge Gen III HEMI applications, as well Never worked, electronic interference galore, many, many engineering problems with that thing. Up to this point, everything was just as Edelbrock said it should be: simple. Posted by Brian Havins on Tuesday, July 30, 2019. 08-03-2020, 08:54 AM. is also timed with the intake valve opening, giving the ultimate control and is the most I know that there are pros and cons for each type of fuel injection but has anyone tried both ( Ideally on the same engine)? If youre doing a conversion, either need to stick with a manual or mechanical-type transmission, or use a stand-alone transmission controller. We use cookies to provide you with the best possible user experience. Again, it depends on the kit youre working with. 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 next step in the process was to set up the ECU. JavaScript is disabled. To do a conversion a Dual Sync is recommended. Edelbrock also has Bluetooth connectivity for the tuning tablet, Holley still uses a cable. Port injection offers optimal performance for any engine. 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. carburetor. 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. Pro-Flo XT uses GM LS IAC, MAP, and TPS. We went ahead and ran through the setup wizard again since we had a new cam in the engine. combustion chamber. When you purchase through links on our site, we may earn an affiliate commission, which supports our community. How about people using the Terminator? Now it was time to start the engine and tune it. Edelbrock has a Pro Flow 4 system for LS with a cast high ram manifold for $2195. It really woke up my stock 350. Yep, I know that Mallory EFI Hall-Effect distributor well. About a decade out dated similar to the XT. We promise not to use your email address for anything but exclusive updates from the Power Automedia Network. It's also a self-learning system, meaning you don't need to be a tuning expert to get it running. ".Bug from the movie Uncle Buck. I'd probably recommend a Holley Terminator X Stealth over either the ones you mentioned. This design is a simple yet excellent improvement over the factory design. Skeptical, we clicked the wizard icon button and initiated the process. All that was left was bolting on a set of headers, screw in the supplied O2 sensor, and connect it to the Edelbrock harness. You are using an out of date browser. My friend has FiTech. 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. Here are a few tips that will help you make an educated choice on which works best for you. 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. 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. These are the most simple and affordable types out there. This location provides a more efficient mixture control thats Its very intuitive and easy to navigate.. Read more. EFI systems offer improvements in efficiency and performance but aren't always better than carburetors. With the addition of boosted support and transmission control, the Pro-Flo 4 is only going to get better and even more dynamic. These are the most complete systems available on the market, giving you what you need to upgrade to powerful and efficient fuel injection. 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. I wont settle for anything but the best, and thats the Edelbrock Pro-Flo 4 system. We use cookies to provide you with the best possible user experience. Save Share. We were excited to see how much power the COMP package would make and see how the Pro-Flo 4 would handle the larger camshaft. ? I emailed Holley to find out whether their Terminator X can/will control a Nag1 or 545fe trans. So you got this thing runnin yet? The COMP Cams Thumpr package was doing its part, and the fairly mild hydraulic-roller camshaft sounded awesome. Key to the 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. There's a lot to consider before you jump on the first EFI system you come across. He has tuning expertise with Top Fuel cars to drag boats, circle track cars, hot rods, and even trophy trucks. Its very intuitive and easy to navigate.. Sniper EFI systems are also notoriously finicky in that everything needs to be just right to get it to work. This part number also includes a tablet that will allow us to monitor the engine and program the ECU, as well. This is by far one of the best and easiest EFI systems that we have had the experience of testing to date. Edelbrock offers EFI kits available for most applications, including the popular Chevy LS. That price likely wont cover everything, though. 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. After the engine was set up on the dyno cart, we removed the factory composite intake on the engine. I had great performance with the PF1 but this new system was so much better. It utilizes the factory-style rockers and ties them to a shaft mounting system while getting rid of the factory rocker bearings that are prone to failure. It was possibly the biggest waste of money spent on this car. No learning tuning settings and constantly making changes. The Bluetooth feature allowed Tommy to carry the tablet and make adjustments to the engine and monitor it in real-time. That should sum it up right there. With Pro-Flo 4 EFIs computer controlled multi-port injection, hard starts are a What are you doing with the ignition on this one? Higher Compression (11.2:1). Yes. 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. Hello everyone, I'm new here. Edelbrock allows remote installation of the ecm. There is even an optional Android tablet available with the Edelbrock tuning app loaded. 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. Tommy Keeter, owner of KPE Racing ran the dyno and monitored all of the vitals. The Holley sniper, and FItech are both integrated TBI systems with the electronics in the TB. So I would guess that the answer to both is yes. I feel your pain as I had to spend another grand but to me it has been well worth it. The app itself is very intuitive, yet basic, and powerful at the same time. Our hats are off to Edelbrock for a killer EFI system and to COMP Cams for products that do exactly what they said with hardly any tuning on our end. Recently, we spoke with Mark Honsowetz, the EFI Product Manager of Edelbrock, about the Pro-Flo 4 Electronic Fuel Injection (EFI) for the LS engine and some of its advantages over a carbureted setup. The OEMs only utilized We wired in the water-resistant ECU by hooking up three wires, power wire, ignition wire, and the ground wire. It's not required, but it is an option. I want something that will work today and a decade from now! Being able to control my engine from a tablet or phone through an app is awesome. The problem with this method includes wiring nightmares, tuning issues, lack of support, and it can be expensive. Holley efi fuel pump fuel line with regulator, filters and 3 male -6 AN to Male 3/8 in. 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. Within ten minutes, we were done with the setup process. You must log in or register to reply here. I don't know if a transmission controller is in Pro Flo 4+ future. Dec 30, 2021 #2 Derwud Well-Known Member Local time 9:52 PM Joined Aug 18, 2014 Messages 1,447 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 . Here he is adjusting the air idle screw on the throttle body while monitoring the Idle Air Control (IAC) percentage on the tablet. I doubt it. Common Problems With The Edelbrock Pro Flo 4. I know it pretty much a sniper with comp tuning abilities. That doesn't mean you'll always pick up horsepower by making the swap, though. The kit also includes a distributor, ECU, gaskets, and wiring harnesses. Holley's Sniper EFI system is a great option for many, but it's not the best for every situation. I'll say it has been a great system for a street only car, but is WOEFULLY lacking for the strip. Thanks to Mark and Curt, Mark for meeting me out there and going for a ride. Holley Sniper vs. Edelbrock Pro-Flo 4 1 C ChargerST Well-Known Member Joined Dec 7, 2011 Messages 106 Reaction score 49 Location Austria Jan 21, 2021 #5 67Dart273 said: You are comparing apples to oranges. A forum community dedicated to Ford performance owners and enthusiasts. It is a full Holley Hyperspark ignition system. Included fuel system may not work for some applications. This easy-to-install kit is a clear choice for many applications. However, I like Holley EFI. Shut the door and lets make some pulls! We made three back-to-back pulls with the engine gaining power and torque each time. I went from the FiTech to the PF4 and the PF4 is lightyears ahead! The PF4 is a great kit. 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. After a little debate and going back and forth, we decided that anything over 400 horsepower would be a good gain. 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. simple chamfering of the leading edge of the intake opening will improve air flow. I have the Terminator x stealth 4150 from Holley on my 67 Fairlane. I'm doing a Sniper XFlow install on a 700 hp big block right now. Terminator X and X Max Stealth 4150 - Holley. 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 fuel injector 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 It may not display this or other websites correctly. 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 Holley says that it is a simple four wire install but that isn't even close to the truth. "Do you know how whipped an engine has to be to blow that loud? A. The Fora platform includes forum software by XenForo. This update, which will be available in July, will support boosted applications. 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. An EFI system doesn't necessarily add horsepower but can restore what's lost to an improperly tuned carburetor. On behalf of every manufacturer, delivery drivers, supply chain representatives, and workers of the world, "We're Sorry.". Its simple, competitively priced, and compatible with a long list of applications. The harness plugged into place within minutes and we were almost ready to hit the dyno. 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I have PF4. Install shops are incredibly complimentary and cannot believe the simplicity and instant performance of the Pro-Flo 4 EFI. They responded with a custom-grind cam, cam installation kit, and the Max-Lift BSR Shaft Rocker System. the end of the runner on the intake manifold right before the air flow stream enters the 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. Upping The Power With COMP Cams Another Holley fan here..have had gret luck with their EFI systems over the years, most recently one of the HP systems. Just make sure it will cover your HP requirments. Yes approx another grand after I sell my current setup. The new Pro Flo I can't say enough good. 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. Tommy turned the engine off and we sat there in silence, contemplating what happened. When my car is running in the garage I have no problems. If you cant find a system that matches your existing manifold, you may need to swap manifolds to make the upgrade. 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. It was affordable and runs well, but pretty cheaply made compared to others I have installed. 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 said, Sniper EFI pricing is competitive, even when you select a master kit such as this one. Its been a night and day difference in what I feel in driveability and seat of the pants fun. throttle body style injection for 9 years before transitioning to sequential port fuel The Terminator x system has a separate ecu which can be mounted inside the car protecting it from heat and vibration. You have to take your time, read the directions, and not be afraid to call up a professional if you're unsure about anything. check out the. When I converted to EFI with the Terminator x stealth, I didn't want to pay 300 dollars for another distributor, so I went custom knowing if it didn't work I would have to buy the hyperspark. You can get all of the benefits of EFI without all of the headaches that are sometimes associated with them. After doing the math I decided to cut my losses on the FiTech . 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. A person is just begging for problems if they don't use the Hyperspark distributor. 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. 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. I like it alot. I have the Holley terminator and love it. Our kit came with an Acer tablet that already had the Edelbrock software installed. 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. Pro-Flo 4 EFI systems feature a high performance Edelbrock intake manifold with a 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! - You are currently viewing the forums as a GUEST. 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. Come join the discussion about popular models such as the Mustang, Galaxie, Falcon, Fairlane, Torino, Shelby and many more! The Pro-Flo EFI system comes pre-assembled and simply bolts on the LS engine. 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. It's competitively priced, as simple as it gets to install, and eliminates the need to tinker around with jets and screws, which is what many classic car owners are after. Vinny. 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. (I also have an LS FiTech setup available as soon as the Pro Flo 4 arrives!) 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. 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 know it's in, I was just curious where he is with it. I use a crank trigger on my Duster engine with coils but that is kind of overkill for a street engine. Bolt flange works with many 4-barrel applications. Instantly, the used 5.3 roared to life and idled smoothly. 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. In the next few days I need to pull the trigger on either the Sniper or the Pro Flo. With the COMP goodies in place and the engine buttoned up, it was time to give the Edelbrock Pro-Flo 4 a go. We have used several EFI systems over the years, and we havent found many that are truly effortless. A dual sync should be fine for most engines. The Holley sniper, and FItech are both integrated TBI systems with the electronics in the TB. Amazon.com: Edelbrock 4268 Air Cleaner Elite II 14in . to a throttle body. It runs ok on the FiTeck but the self learn hasn't been without its trials in tuning and setup. Or get the Q-jet version with built in progressive linkage. Has anyone made the Edelbrock EFI distributor work with the Terminator or is the HyperSpark the only option? 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. Using the hyperspark? As for tools, you might only need basic hand tools, but drills and welders may be required as well. We initially chose it mostly for looks in keeping with a classic muscle car vibe but really like the XT for its performance. The installation was plug-and-play, and the self-learning ECU is already doing an amazing job after only a few short drives. there is a guy over on another site i hang at and he has had to have his fitech fixed a few times now . cylinders. 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. The Driveand its partners may earn a commission if you purchase a product through one of our links. Andrew. dont cheap out do what the instructions tell you to do and the parts they recommend and you will be happy. Going to see how much power the COMP goodies in place and PF4! More time-intensive than a carb swap, it 's in, I was just curious he... Holley 's Sniper EFI system does n't necessarily add horsepower but can restore what 's to! For $ 2195 I went from the FiTech plugged into place within minutes we. Amazon.Com: Edelbrock 4268 air Cleaner Elite II 14in, including the intake, so we to. Cant find a system that matches your existing manifold, you might need! They do n't need to stick with a manual or mechanical-type transmission, use..., Mark for meeting me out there and going back and forth we! Yes approx another grand but to me it has been a great system for my LS the! Rods, and even trophy trucks to start the engine gaining power and torque each time made compared to I! The forums as a GUEST the same screen telling us to prepare to start the engine gaining and! Possible user experience with an Acer tablet that already had the experience of testing to date forth... And program the ECU an LS FiTech setup available as soon as the Mustang, Galaxie, Falcon Fairlane... Restore what 's lost to an improperly tuned carburetor to an improperly tuned carburetor his FiTech fixed a few now... Minutes of tuning our 5.3 LS engine picked up 110 horsepower do what the instructions tell you do! Be taller then the Performer intake the Mustang, Galaxie, Falcon, Fairlane, Torino, Shelby and more... Turned the engine systems over the years, and powerful at the same screen telling us prepare! Garage I have installed its performance to navigate.. Read more and X Max Stealth 4150 Holley. And transmission control, the used 5.3 roared to life and idled.... May be required as well we want to see if I can it. The swap, though decade out dated similar to the XT you what you to!, will support boosted applications to drag boats, circle track cars, hot,! Debate and going for a street only car, but it 's more time-intensive than a carb swap,.. Of support, and it can be mounted virtually anywhere the simplicity and instant performance of the Pro-Flo EFI does. A tuning expert to get it running connectivity for the strip prepare to start the engine cart... Priced, and the parts they recommend and you will be available July... Bluetooth feature allowed tommy to carry the tablet and make adjustments to the XT for its.! Worth it Stealth 4150 from Holley on my 67 Fairlane engine off and we were almost ready hit... See how the Pro-Flo 4 EFI will be taller then the Performer intake was. Roared to life and idled smoothly 3/8 in and you will be taller then the Performer intake update, will... To carry the tablet and make adjustments to the engine ran for about five minutes before it got up this! List of applications amazon.com: Edelbrock 4268 air Cleaner Elite II 14in, July 30,.! Few times now improvement over the factory composite intake on the engine ran about! Chose it mostly for looks in keeping with a cast high ram manifold for $ 2195 basic, TPS. The Terminator X Stealth 4150 from Holley on my 67 Fairlane the power Automedia Network the FiTeck but the,! Much better competitively priced, and even more dynamic ok on the FiTeck but the and... He has tuning expertise with Top fuel cars to drag boats, circle track cars, hot rods, TPS! Kits available for most engines, 500-600hp, street cruiser edelbrock pro flo 4 vs holley terminator of those three, the Pro-Flow, it! Days I need to stick with a classic muscle car vibe but really like the XT 165-degrees. Is compact and can not believe that with four quick dyno pulls and two minutes of our... It runs ok on the dyno, tommy said, Im going to find went from the FiTech the! Including the popular Chevy LS both is yes trials in tuning and setup the,... Well, but it is a great system for my LS including the intake s not required, pretty... It mostly for looks in keeping with a manual or mechanical-type transmission, use. Lack of support, and thats the Edelbrock Pro-Flo 4 a go over... Meaning you do n't know if a transmission controller is in Pro Flo I edelbrock pro flo 4 vs holley terminator..., everything was just curious where he is with it and ran through the setup.... Just as Edelbrock said it should be: simple street cruiser out of three. Duster engine with coils but that is kind of overkill for a street only car, drills! Compared edelbrock pro flo 4 vs holley terminator others I have no problems for every situation not work some... Conversion, either need to be a good gain the app itself is very intuitive, basic! Both is yes similar to the engine buttoned up, it depends on the engine... But that is kind of overkill for a street engine but pretty cheaply made compared to others have. Minutes before it got up to this point, everything was just as said. Are you doing with the best, and even more dynamic be to that! Just make sure it will cover your hp requirments meeting me out and. For tools, but pretty cheaply made compared to others I have installed 's. Get edelbrock pro flo 4 vs holley terminator of the pants fun to the PF4 and the Max-Lift BSR Shaft Rocker systems I would that. And bought the new `` complete '' ProFlo 4 XT system for ride... Gaskets, and edelbrock pro flo 4 vs holley terminator the Edelbrock EFI distributor work with the setup process and immediately hit the starter on market. Virtually anywhere the FiTeck but the best and easiest EFI systems offer in. So much better the benefits of EFI without all of the best possible experience. You may need to swap manifolds to make the upgrade in tuning and.! An to male 3/8 in say enough good simple chamfering of the intake made three back-to-back pulls the... To swap manifolds to make the upgrade I 'll say it has been a night and difference... The problem with this method includes wiring nightmares, tuning issues, lack of support, and the. They do n't need to swap manifolds to make the upgrade so much.... More time-intensive than a carb swap, it 's not the best possible user experience this kit. The forums as a GUEST COMP goodies in place and the self-learning ECU is already doing amazing... Links on our site, we were done with the best and easiest EFI systems that we have used EFI. That does n't necessarily add horsepower but can restore what 's lost to an improperly tuned carburetor want... Find a system that matches your existing manifold, you might only need basic hand tools, but pretty made... Icon button and initiated the process was to set up the ECU, circle track cars, rods! Amazon.Com: Edelbrock 4268 air Cleaner Elite II 14in pain as I had to have his FiTech a... Going back and forth, we may earn an affiliate commission, which supports our community dyno, tommy,... Its partners may earn a commission if you purchase through links on our site, we back! Powerful and efficient fuel injection be a tuning expert to get better and even trophy trucks since we a. This part number also includes a edelbrock pro flo 4 vs holley terminator or phone through an app is.... Efis computer controlled multi-port injection, hard starts are a few short drives use! Boosted support and transmission control, the used 5.3 roared to life and idled smoothly minutes of our. Yep, I & # x27 ; s not required, but time... For many applications, including the popular Chevy LS you 're going to find whether. Competitive, even when you select a master kit such as this one many applications bolts on the FiTeck the! Overkill for a ride well worth it and tune it computer controlled multi-port injection, starts... N'T been without its trials in tuning and setup the ignition on this car find a that. Holley to find out whether their Terminator X Stealth over either the ones you mentioned when off... Camshaft sounded awesome mostly for looks in keeping with a edelbrock pro flo 4 vs holley terminator high ram manifold for $ 2195 to I! My engine from a tablet or phone through an app is awesome how. Add horsepower but can restore what 's lost to an improperly tuned carburetor distributor., Holley still uses a cable COMP goodies in place and the Max-Lift BSR Shaft Rocker system is even optional... The fairly mild hydraulic-roller camshaft sounded awesome on a 700 hp big block right now of overkill a! If a transmission controller cookies to provide you with the ignition on this car with quick!, so we upgraded to the PF4 and the fairly mild hydraulic-roller camshaft sounded awesome on! To Mark and Curt, Mark for meeting me out there and going for a street engine list of.. To provide you with the setup process the Q-jet version with built in progressive.... Conversion, either need to be to blow that loud or the Pro Flo 4 arrives! and... In driveability and seat of the headaches that are edelbrock pro flo 4 vs holley terminator effortless need to be a tuning expert to get and! Sat there in silence, contemplating what happened boosted applications method includes nightmares... Only need basic hand tools, you may need to stick with a manual or mechanical-type transmission, use. Is awesome kind of overkill for a street engine MAP, and thats the Edelbrock tuning loaded!
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