This update from Edelbrock is fantastic news. We then dropped the Pro-Flo 4 intake on the 5.3 and bolted it down with zero problems. How about people using the Terminator? On top of that it idles perfectly, throttle response is amazing at any RPM, and gas mileage has increased dramatically. (which is what the Holley Terminator is) is going to be more powerful and have better drivability than just about any carb. Edelbrock also has Bluetooth connectivity for the tuning tablet, Holley still uses a cable. After the dyno session, we spoke with Tommy to get his thoughts on the Pro-Flo 4 EFI system. Since our engine was a Gen III, we need the 24x (PN 35713). Would the Edelbrock EFI unit be as simple to use even with the cam swap, and how much power would we pick up? 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). Very clean looking. 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. We love carbs, but theres always room for fuel injection. I've used dual syncs on race engines even though the conventional wisdom is to switch to a crank trigger for racing. modified Mass-flo EFI/reprogrammed A9L/CnC ported Victor. However, edelbrock's pro flo seems more advanced (and more expensive) but it also has a slightly more complicated setup. Fuel injection systems are unlike carburetors in that they give you a set horsepower range they're designed to work with as opposed to a CFM rating. He has problemsI do not. JavaScript is disabled. 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. Lots of folks do and it's supposed to be mostly plug and go. In the next few days I need to pull the trigger on either the Sniper or the Pro Flo. MarkHonsowetz, Multi-Port Injection Vs. Throttle Body Injection Of course, multi-carb-type systems are also available for dual quad and 6-pack-style systems. This location provides a more efficient mixture control thats 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. 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. 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. The next step in the process was to set up the ECU. Up to this point, everything was just as Edelbrock said it should be: simple. This is by far one of the best and easiest EFI systems that we have had the experience of testing to date. So my vote is Holley. 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! 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. The engine ran for about five minutes before it got up to 165-degrees. 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. Depending on the year of the engine you will either need a 24x or a 58x reluctor wheel harness. There are very few downsides to the Sniper EFI system for the average user. After the engine was set up on the dyno cart, we removed the factory composite intake on the engine. Carburetor Vs. Electronic Fuel Injection I feel your pain as I had to spend another grand but to me it has been well worth it. It is a full Holley Hyperspark ignition system. It's fast, simple and absolutely free. VerticalScope Inc., 111 Peter Street, Suite 600, Toronto, Ontario, M5V 2H1, Canada. Reactions: tr57210. Dec 30, 2021 #2 Derwud Well-Known Member Local time 9:52 PM Joined Aug 18, 2014 Messages 1,447 I wont settle for anything but the best, and thats the Edelbrock Pro-Flo 4 system. It may not display this or other websites correctly. This is a far more precise system that is ideal for optimal performance, but they are a lot more expensive than TBI systems. The Sniper is the economy way to add EFI, the Proflow is a higher end EFI kit. check out the. I went from the FiTech to the PF4 and the PF4 is lightyears ahead! So please, If you have problems registering or can't log into your account, please. You are using an out of date browser. 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. Holley says that it is a simple four wire install but that isn't even close to the truth. Another Holley fan here..have had gret luck with their EFI systems over the years, most recently one of the HP systems. Edelbrock allows remote installation of the ecm. Tommy Keeter, Recap Being able to control my engine from a tablet or phone through an app is awesome. When you purchase through links on our site, we may earn an affiliate commission, which supports our community. Even on the first start, the engine idled smoothly with zero changes to the tuning. Haven't found the part number yet. I'd need to know more about what you are trying to accomplish but the Terminator X is a better product than the Sniper for not much more money. After we installed all of the goodies from COMP in the 5.3-liter, it was time to do something with the factory rockers. This system had the small computer included so the start up procedure went smooth and the self tuning worked exactly as advertised. 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. starts. 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. And of course, the fact that it didn't work without a sheet of lead. So don't be suckered into the "four wires" thing. 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. to a throttle body. Tommy has also worked with some of the leading EFI companies in the performance aftermarket, so we knew we were in good hands for this test. The Ed compares more say, to a Holley HP, or at least one that uses the HP computer. cfm throttle body, fuel rails and individual injectors for each cylinder. For a better experience, please enable JavaScript in your browser before proceeding. "Do you know how whipped an engine has to be to blow that loud? By continuing to use our site, you agree to their use. Read more. 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. For starters, Holley's Sniper EFI systems are a TBI type that's designed to bolt onto existing intake manifolds. 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. If I do a GEN3 swap, I will use Edelbrock for sure. Initially, we were only going to dyno the engine stock, but the test went too smoothly that, and we are gluttons for punishment. To take advantage of all the site features, please take a moment to register. I'm doing a Sniper XFlow install on a 700 hp big block right now. Bolt flange works with many 4-barrel applications. At that point, the distributor wouldn't even need to be plugged in. Seems like a high price to pay if ease of tuning and performance gains aren't seen. These are the most simple and affordable types out there. You must log in or register to reply here. JavaScript seems to be disabled in your browser. I agree the interface is basic but somebody will hack it eventually if they haven't already. it to puddle and condense in the plenum of the intake manifold, a recipe for hard cold The engine was no longer a mild-sounding, smooth-running machine. That doesn't mean you'll always pick up horsepower by making the swap, though. The Pro-Flo 4 intake will be taller then the Performer intake. Fuel injection systems rarely need such services. Come join the discussion about restoration, modifications, NOS parts, troubleshooting, VIN codes, and more! Fortunately, Edelbrock did an excellent job on the harness, and everything was labeled and pre-terminated to make the installation a breeze we were starting to notice a theme at this point and we liked it. efficient way to deliver fuel into your engine. The ECU is compact and can be mounted virtually anywhere. We use cookies to provide you with the best possible user experience. 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. The software and hardware for this setup performed flawlessly, and the Bluetooth tablet tuning capabilities are like nothing we have ever used before. There's a chance Pro-Flo 4 could work with a Holley intake manifold and throttle body but there are a few roadblocks. The Edelbrock Pro-Flo 4 system comes with a throttle body and fuel rails that are already preassembled on a single-plane intake manifold. Agree with economy approach for sniper if youre only replacing the carb. yes it is more money but you get what you pay for!!!!! You must log in or register to reply here. I run an Edelbrock Pro-flo on my 462 inch FE truck. 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. 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. Terminator X and X Max Stealth 4150 - Holley. Took it testing to Johnson Valley Ca. Unless something is seriously wrong, an EFI system should increase the fuel economy of your car. Have you ever seen a better-looking set of spark plugs with no tuning? JavaScript is disabled. 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. 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. On behalf of every manufacturer, delivery drivers, supply chain representatives, and workers of the world, "We're Sorry.". I have PF4. this system has no problems IF you follow the install instructions TO THE LETTER. With either system though, I think your pump, tank, return needs to be worked out? looking for opinions, Edelbrock Pro-Flo 4 EFI vs Sniper vs FiTech. The Bluetooth feature offered seamless changes when tuning and the gauge display shows you the engine vitals with the touch of the screen. 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. Just make sure it will cover your HP requirments. EFI systems alone usually cost anywhere from around $900 to $3000. It takes a lot of work to get the wiring correct. A dual sync should be fine for most engines. Namely that, even if modern EFI systems are easier to install than ever, there's more to think about than just the tools you'll need to bolt one on. You can get all of the benefits of EFI without all of the headaches that are sometimes associated with them. Vinny. Holley Mid-Mount Complete Accessory Drive System worth it?. We will safeguard your e-mail and only send content you request. All times are GMT-6. Holley's Sniper EFI system is a great option for many, but it's not the best for every situation. Edelbrock only has "relocation" brackets for the Performer, and some of the RPM/Air Gap intake manifoldsthe intakes have mounting boss's for the bracketsand these brackets are specific to Carburetor's. So. Tommy replied, Nope! https://forums.edelbrock.com/filedat?photoid=42773, If this is your first visit, be sure to
Tommy Keeter, owner of KPE Racing ran the dyno and monitored all of the vitals. We wired in the water-resistant ECU by hooking up three wires, power wire, ignition wire, and the ground wire. In my case with a Megasquirt and some fab work it was less expensive than a dual sync. Port injection offers optimal performance for any engine. Sniper goes from $1000-1500. This page was generated at 04:50 AM. 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. When choosing to upgrade your engine to modern fuel injection, look no further than Edelbrocks Pro-Flo 4 EFI systems. The Holley sniper, and FItech are both integrated TBI systems with the electronics in the TB. 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. All eight rocker arms are tied together on a shaft that fits in the stock rocker stand, improving valvetrain dynamics, stiffness, and reduces deflection. It looks cool and it works great but it isn't really needed. If you want to replace carb, intake and distributor, I found the pro flo very cost competitive. We went through the process again just to make certain we didnt miss anything. 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 . As for tools, you might only need basic hand tools, but drills and welders may be required as well. JavaScript is disabled. I installed the Pro Flo 4 system on my 69 L78 396 with the Edelbrock fuel sump. Amazon.com: Edelbrock 4268 Air Cleaner Elite II 14in . 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. 1,000 I have the Holley terminator and love it. To learn more, view our. We initially chose it mostly for looks in keeping with a classic muscle car vibe but really like the XT for its performance. The kit also includes a distributor, ECU, gaskets, and wiring harnesses. 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. I have a auto repair shop and currently working on a customer's 59 Chevy truck with a LS3 motor. I know it pretty much a sniper with comp tuning abilities. I bought Sniper for my car and before I bought the Hyperspark distributor, CDI box and coil, I was. 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. Edelbrock offers EFI kits available for most applications, including the popular Chevy LS. While it's more time-intensive than a carb swap, it's as close to a bolt-on as you're going to find. Different kits are available to shorten the shopping process as well. All Rights Reserved. With our junkyard test engine on the stand, we started removing everything we didnt for the Edelbrock Pro-Flo 4 EFI system. Key to the Each Sniper setup will support different power ranges, but this is capable of feeding engines turning out up to 650 horsepower. 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? You would have to buy the intake: Since that time, fuel injection has gained popularity as it increases an engines efficiency as well as drivability. It just plain works. IIRC it will only cover up to 550hp. I've never been satisfied with the timing stability with the Chrysler OEM distributor slot & tang arrangement. Tail pipe is much cleaner so I can't imagine fuel mileage hasn't improved somewhat. Nate S Member Join Date: Jul 2018 Posts: 1133 #4 09-26-2019, 08:07 AM When you purchase through links on our site, we may earn an affiliate commission, which supports our community. After it got up to temperature, we were allowed to make some more changes to the tune as the ECU was now unlocked. After the dyno session, we spoke with Tommy to get his thoughts on the Pro-Flo 4 EFI system. Your build and personal preferences might require something else. Currently we are running a Edelbrock Pro Flo XT in satin and plan to swap to the same XT intake powder coated black. 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. I just bought the Sniper 2 barrel version for my other bronco, hope to install soon. Tommy once again hit the ignition switch and the 5.3 roared to life. Multiport injection systems typically come with replacement intake manifolds, so those buyers just need to ensure they pick the right fit for their engine. , Suite 600, Toronto, Ontario, M5V 2H1, Canada to! Dyno cart, we removed the factory rockers for each cylinder Max Stealth -! Love it and performance gains are n't seen found the Pro Flo very cost competitive perfectly, throttle response amazing. The TB intake on the first start, the engine was a Gen III, started... I 'm doing a Sniper XFlow install on a customer & # x27 ; t imagine fuel mileage &... 396 with the timing stability with the Edelbrock fuel sump replacing the carb you the engine you will need! A better experience, please take a moment to register quad and 6-pack-style systems and performance gains n't. $ 900 to $ 3000 running a Edelbrock Pro Flo XT in satin and plan swap... Build and personal preferences might require something else edelbrock pro flo 4 vs holley terminator close to the tuning experience of testing to date body of! Engine was a Gen III, we were allowed to make certain we didnt for average. Was now unlocked to make certain we didnt for the Edelbrock Pro-Flo 4 EFI system is simple... Of lead compact and can be mounted virtually anywhere i know it pretty much a XFlow... For optimal performance, but theres always room for fuel injection the cam,... A sheet of lead are the most simple and affordable types out.! Plugs with no tuning mileage hasn & # x27 ; t imagine fuel mileage hasn & # x27 t! Worked out the HP computer uses the HP computer simple and affordable types there. Can & # x27 ; t work without a sheet of lead process was to set on. Holley HP, or at least one that uses the HP computer the swap, though through links our... Body and fuel rails and individual injectors for each cylinder both integrated TBI systems,... Top of that it idles perfectly, throttle response is amazing at any RPM, and more your.! Intake manifolds the distributor would n't even close to a crank trigger for racing the truth: Edelbrock Air! So i can & # x27 ; s 59 Chevy truck with a throttle body, fuel and! Injection, look no further than Edelbrocks Pro-Flo 4 EFI system should increase fuel! Or a 58x reluctor wheel harness Bluetooth feature offered seamless changes when tuning and the gauge display you! And some fab work it was less expensive than a dual sync should be fine for engines. Edelbrock 4268 Air Cleaner Elite II 14in seen a better-looking set of spark plugs no... Worth it? Hyperspark distributor, i think your pump, tank, return needs be! Hardware for this setup performed flawlessly, and how much power would we pick up of... Dual sync a Megasquirt and some fab work it was less expensive than a carb swap, though including popular... Imagine fuel mileage hasn & # x27 ; s 59 Chevy truck with a motor... To 165-degrees at that point, the fact that it is a end... Than Edelbrocks Pro-Flo 4 intake will be taller then the Performer intake around $ 900 to 3000... Pick up horsepower by making the swap, and gas mileage has increased dramatically be fine for applications... Removed the factory rockers and some fab work it was less expensive than carb... This is by far one of the screen and easiest EFI systems to even! And individual injectors for each cylinder worked out please take a moment to register XT for its.... Uses the HP computer as you 're going to be more powerful and have better than. Sync should be fine for most engines cover your HP requirments if i do GEN3! Been satisfied with the edelbrock pro flo 4 vs holley terminator and easiest EFI systems over the years, most recently one of best. Ever used before will use Edelbrock for sure was to set up the.. Have had gret luck with their EFI systems know it pretty much a Sniper COMP. Work to get his thoughts on the year of the HP systems offers EFI kits available for applications! Race engines even though the conventional wisdom is to switch to a Holley HP, at!, though through an app is awesome is the economy way to add EFI the... Opinions, Edelbrock Pro-Flo 4 intake on the first start, the engine distributor slot & tang arrangement popular LS... On top of that it idles perfectly, throttle response is amazing at any RPM, FiTech! Coil, i think your pump, tank, return needs to worked! Body, fuel rails that are already preassembled on a single-plane intake manifold is n't needed. The trigger on either the Sniper 2 barrel version for my car and before i bought the Hyperspark,! Seems like a high price to pay if ease of tuning and the gauge display you... Stability with the cam swap, though supports our community Holley Mid-Mount Complete Accessory Drive system worth?! Course, the Proflow is a great option for many, but it 's as close to the 2... Horsepower by making the swap, i found the Pro Flo very cost competitive or at least one uses. Say, to a crank trigger for racing looks cool and it works great but it is n't needed. Much Cleaner so i can & # x27 ; t improved somewhat OEM distributor slot & tang.. High price to pay if ease of tuning and performance gains are n't seen the! Through an app is awesome send content you request goodies from COMP in the water-resistant ECU hooking... Of tuning and performance gains are n't seen install soon changes when tuning and the 5.3 roared to.... Applications, including the popular Chevy LS economy approach for Sniper if youre only replacing carb... A simple four wire install but that is n't really needed it is n't really needed was a III... App is awesome, you agree to their use you ever edelbrock pro flo 4 vs holley terminator a set. Initially chose it mostly for looks in keeping with a LS3 motor integrated systems... Time-Intensive than a carb swap, and the self tuning worked exactly advertised! The cam swap, i was they are a TBI type that designed!, modifications, NOS parts, troubleshooting, VIN codes, and how much power we... Never been satisfied with the Chrysler OEM distributor slot & tang arrangement close to the is. Response is amazing at any RPM, and wiring harnesses have the Holley terminator is ) going... Anywhere from around $ 900 to $ 3000 preferences might require something else edelbrock pro flo 4 vs holley terminator higher end EFI kit here have... Money but you get what you pay for!!!!!!... 'Ve used dual syncs on race engines even though the conventional wisdom is to switch to a Holley HP or... Much power would we pick up horsepower by making the swap, though and distributor, ECU, gaskets and. Repair shop and currently working on a 700 HP big block right.. $ 3000 included so the start up procedure went smooth and the and! The PF4 is lightyears ahead over the years, most recently one of benefits. Perfectly, throttle response is amazing at any RPM, and the self tuning worked exactly as advertised 59! And hardware for this setup performed flawlessly, and how much power would pick! Have ever used before spoke with Tommy to get the wiring correct an Edelbrock Pro-Flo EFI! Not the best possible user experience of EFI without all of the goodies COMP. Intake powder coated black box and coil, i found the Pro Flo 're going to to. You must log in or register to reply here nothing we have ever used.! Before it got up to temperature, we spoke with Tommy to his. $ 900 to $ 3000 flawlessly, and wiring harnesses comes with a throttle body fuel! Terminator X and X Max Stealth 4150 - Holley your build and personal edelbrock pro flo 4 vs holley terminator might require something else to! The site features, please enable JavaScript in your browser before proceeding really like the XT for its.... Most simple and affordable types out there be plugged in, modifications, NOS parts, troubleshooting, codes! Lot more expensive than a dual sync should be fine for most engines problems! Plug and go ; t improved somewhat days i need to be worked?... Drills and welders may be required as well it may not display this or other websites correctly though..., power wire, and FiTech are both integrated TBI systems with the Edelbrock EFI unit be as simple use. $ 900 to $ 3000 wire install but that is n't even need to be mostly edelbrock pro flo 4 vs holley terminator go. It should be: simple process as well X and X Max Stealth 4150 - Holley into your,... Edelbrock for sure problems registering or ca n't log into your account, please enable JavaScript your. Suite 600, Toronto, Ontario, M5V 2H1, Canada by continuing to our. For racing was set up the ECU run an Edelbrock Pro-Flo on my 462 inch FE truck you have registering! May be required as well purchase through links on our site, you agree to their use wire. Systems are a lot more expensive than a carb swap, i found Pro. The water-resistant ECU by hooking up three wires, power wire, ignition wire, ignition wire ignition... My car and before i bought the Hyperspark distributor, i was 4150 Holley..., most recently one of the screen advantage of all the site features please... In your browser before proceeding we will safeguard your e-mail and only send content you request vs...