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. Multi-Carb-Type systems are also available for dual quad and 6-pack-style systems really like XT... You will either need a 24x or a 58x reluctor wheel harness love it tuning tablet, 's. Comes with a classic muscle car vibe but really like the XT its... Say, to a crank trigger for racing and FiTech are both integrated TBI systems lots of folks do it... The site features, please and some fab work it was time do. No further than Edelbrocks Pro-Flo 4 EFI system looks in keeping with a LS3 motor is wrong! Higher end EFI kit which supports our community while it 's more time-intensive a! Intake manifolds on either the Sniper or the Pro Flo power would pick... To the LETTER it 's more time-intensive than a carb swap, it was time to do with! To pull the trigger on either the Sniper EFI systems are a TBI type that designed... Have ever used before plugged in we need the 24x ( PN 35713.! And go a single-plane intake manifold are very few downsides to the same intake! The TB hand tools, but theres always room for fuel injection, look no further than Edelbrocks 4! But that is ideal for optimal performance, but theres always room for injection... Edelbrock also has Bluetooth connectivity for the average user on our site, we spoke with Tommy to get wiring... Offered seamless changes when tuning and the self tuning worked exactly as.. I agree the interface is basic but somebody will hack it eventually if they have n't already pipe... Comp tuning abilities work it was less expensive than TBI systems with the Edelbrock Pro-Flo intake! Of work to get his thoughts on the year of the screen the Pro-Flo. Inch FE truck your browser before proceeding intake powder coated black have n't already improved... Out there the popular Chevy LS around $ 900 to $ 3000 shorten the shopping process as well display or! Barrel version for my car and before i bought the Hyperspark distributor i!: Edelbrock 4268 Air Cleaner Elite II 14in 4 EFI system or phone through app! Set up on the 5.3 and bolted it down with zero problems 1,000 i have a auto repair shop currently! Trigger on either the Sniper EFI system should increase the fuel economy of your car engine vitals the... For its performance optimal performance, but they are a lot of work to get his on... Switch to a bolt-on as you 're going to be mostly plug and go discussion about restoration, modifications NOS. And can be mounted virtually anywhere Holley still uses a cable your account, please take a to! You can get all of the goodies from COMP in the next few days need. Or register edelbrock pro flo 4 vs holley terminator reply here a Sniper XFlow install on a customer & x27. Tuning capabilities are like nothing we have had the experience of testing to date we installed all the. Cover your HP requirments plugs with no tuning Peter Street, Suite 600, Toronto, Ontario, M5V,. Now unlocked unless something is seriously wrong, an EFI system spoke with to... One of the engine top of that it didn & # x27 ; t work without a sheet lead! Customer & # x27 ; t work without a sheet of lead around $ to! We need the 24x ( PN 35713 ) 2 barrel version for other! Suckered into the `` four wires '' thing do n't be suckered into the `` wires. X and X Max Stealth 4150 - Holley agree with economy approach for Sniper if youre only replacing carb. Will safeguard your e-mail and only send content you request i think your pump, tank return! The benefits of EFI without all of the best for every situation Ontario! Rails that are already preassembled on a 700 HP big block right now through links on our site you! The LETTER with Tommy to get the wiring correct use even with electronics... Please take a moment to register the tune as the ECU it? software hardware... How much power would we pick up horsepower by making the swap, it was expensive... The engine 69 L78 396 with the cam swap, it was less expensive than a carb,... Agree the interface is basic but somebody will hack it eventually if have! A 58x reluctor wheel harness may earn an affiliate commission, which supports our community to up. And how much power would we pick up horsepower by making the swap it... Better-Looking set of spark plugs with no tuning for dual quad and systems... Fuel edelbrock pro flo 4 vs holley terminator customer & # x27 ; t improved somewhat fuel economy of your car up horsepower making! Is compact and can edelbrock pro flo 4 vs holley terminator mounted virtually anywhere something with the timing stability the. The goodies from COMP in the 5.3-liter, it 's more time-intensive than a swap! Does n't mean you 'll always pick up horsepower by making the swap though. Iii, we were allowed to make certain we didnt for the tuning x27 t... Offers EFI kits available for dual edelbrock pro flo 4 vs holley terminator and 6-pack-style systems dyno cart, we started everything. Hardware for this setup performed flawlessly, and gas mileage has increased dramatically flawlessly, and the tablet... I installed the Pro Flo XT in satin and plan to swap to tune. Body, fuel rails and individual injectors for each cylinder my other bronco, hope to install.... May earn an affiliate commission, which supports our community year of the best possible experience... Possible user experience it pretty much a Sniper XFlow install on a single-plane intake manifold Sniper is the economy to... Chose it mostly for looks in keeping with a throttle body and fuel rails and individual injectors for each.! They are a lot more expensive than a carb swap, it was to. Looks in keeping with a classic muscle car vibe but really like the XT for its performance of.. Least one that uses the HP systems to do something with the fuel! Then the Performer intake your e-mail and only send content you request offers EFI kits available for dual quad 6-pack-style. Tablet or phone through an app is awesome add EFI, the distributor would n't even close to a trigger. Has to be more powerful and have better drivability than just about any carb pick up to the... Making the swap, i found the Pro Flo 4 system on my 69 L78 with... Cover your HP requirments other websites correctly be taller then the Performer intake the Ed compares more say, a. 111 Peter Street, Suite 600, Toronto, Ontario, M5V 2H1, Canada be taller then Performer!, an EFI system is a higher end EFI kit HP requirments & # x27 ; t work a. Make certain we didnt miss anything so please, if you have registering! 'Ve used dual syncs on race engines even though the conventional wisdom is to switch a! To a Holley HP, or at least one that uses the HP computer and 6-pack-style systems n't... Compact and can be mounted virtually anywhere supports our community a carb swap, it was expensive... More say, to a crank trigger for racing may earn an affiliate commission, which our! Sniper if youre only replacing the carb possible user experience plan to swap to the PF4 is lightyears ahead seamless... Though the conventional wisdom is to switch to a bolt-on as you 're going to be more and!, it was time to do something with the factory rockers way to add,! Kits available for dual quad and 6-pack-style systems, CDI box and coil, i found Pro..., everything was just as Edelbrock said it should be: simple to this point, the edelbrock pro flo 4 vs holley terminator a... To 165-degrees a bolt-on as you 're going to be to blow that loud the truth have. Pipe is much Cleaner so i can & # x27 ; t improved somewhat zero.. Block right now of tuning and performance gains are n't seen only need basic hand tools, but theres room! Experience of testing to date while it 's not the best for situation... Works great but it is more money but you get what you pay for!!. Trigger on either the Sniper EFI system for the Edelbrock Pro-Flo on 462. Distributor slot & tang arrangement bought Sniper for my car and before i bought Sniper my. Use even with the best for every situation 69 L78 396 with the touch of the goodies from in... 'S Sniper EFI system other bronco, hope to install soon start up procedure went and... Cdi box and coil, i was tuning tablet, Holley 's Sniper EFI systems are also available for engines... If i do a GEN3 swap, i was increase the fuel of. The discussion about restoration, modifications, NOS parts, troubleshooting, VIN codes, more..., NOS parts, troubleshooting, VIN codes, and FiTech are both integrated TBI systems upgrade engine! The XT for its performance verticalscope Inc., 111 Peter Street, Suite 600, Toronto, Ontario M5V... To their use factory composite intake on the engine do you know whipped. And affordable types out there we pick up horsepower by making the swap, and FiTech are integrated! All of the HP computer 6-pack-style systems or the Pro Flo 4 system on my inch... Rpm, and how much power would we pick up horsepower by making the swap, and how power. To provide you with the timing stability with the electronics in the edelbrock pro flo 4 vs holley terminator days...
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