Looking for some advice pertaining to Holley Sniper and Tire Size upgrades. Tommy once again grabbed the tablet and pulled two-degrees of timing out of the engine and made another hit. Holleys Sniper EFI system is tough to beat in most situations. Some kits might even come with ignition and fuel system components. You must log in or register to reply here. @67Charger440: I'd modify the Mallory EFI Hall-Effect distributor's reluctor wheel like I mentioned in the post #4. 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. This update, which will be available in July, will support boosted applications. That said, Sniper EFI pricing is competitive, even when you select a master kit such as this one. Summit shows 3 weeks delivery. 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. Can you even drive to the ice cream store? The store will not work correctly in the case when cookies are disabled. 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. hindering tuning for peak fuel economy and peak performance. 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. The E-Tuner 4 App is available to download for Android and Apple iOS powered devices. Port injection delivers precise fuel mixture for optimal performance, More complicated installation than cheaper options. This design delivers the fuel into the air flow stream in the plenum yes it is more money but you get what you pay for!!!!! Pro-flo 4 problem. You are using an out of date browser. Looking into the Pro-Flo 4+ as an alternative. Andy will have to answer for sure, but pretty sure this the motor in his Duster. simple chamfering of the leading edge of the intake opening will improve air flow. It was a shame this car sat for 5 years because I got tired of rebuilding the carburetor all the time. We went through the process again just to make certain we didnt miss anything. Off-roaders it works!. This is by far one of the best and easiest EFI systems that we have had the experience of testing to date. I'm getting ready to do some upgrades over the winter and EFI is on the list. VerticalScope Inc., 111 Peter Street, Suite 600, Toronto, Ontario, M5V 2H1, Canada. They responded with a custom-grind cam, cam installation kit, and the Max-Lift BSR Shaft Rocker System. On top of that it idles perfectly, throttle response is amazing at any RPM, and gas mileage has increased dramatically. 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 system came with a cast aluminum intake manifold, throttle body, fuel injectors, fuel rails, sensors, fittings, hardware, ECU, wiring harness, tablet, and detailed instructions. Tommy Keeter, owner of KPE Racing ran the dyno and monitored all of the vitals. This adjustment the engine wanted, and it revved up effortlessly. Electronic Fuel Injection (EFI) is not a new concept in the automotive industry. Technology, performance and design delivered to your inbox. All times are GMT-6. Leaning toward Pro Flo 4. Skeptical, we clicked the wizard icon button and initiated the process. Throttle Body style EFI systems feature fuel rails and injectors mounted directly unaffected by varying intake manifold runner temperatures and length. Holley sniper issue on newly rebuilt motor. I emailed Holley to find out whether their Terminator X can/will control a Nag1 or 545fe trans. Tommy once again hit the ignition switch and the 5.3 roared to life. Coming from EEC-IV, which worked flawlessly. 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). Is the Edelbrock system better-enough to justify the extra expense? 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 . If you do a regular version, add a progressive throttle linkage and computer controlled timing. Within ten minutes, we were done with the setup process. 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. 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. is also timed with the intake valve opening, giving the ultimate control and is the most JavaScript seems to be disabled in your browser. It should be in the 500ish flywheel range. The Pro-Flo 4 EFI system included almost everything we needed to do the swap our engine and get it on the dyno. We use cookies to provide you with the best possible user experience. The engine ran for about five minutes before it got up to 165-degrees. Holley Tech support has been great plus they have an excellent forum. As with our proven Pro-Flo 4 EFI, the advanced plug-and-play Pro . Pro-Flo 4 Electronic Fuel Injection also gives you the ultimate control of your engine when using the Advanced Tuning features. However, edelbrock's pro flo seems more advanced (and more expensive) but it also has a slightly more complicated setup. A: An EFI system can come with most of what you need to bolt it on. For the best experience on our site, be sure to turn on Javascript in your browser. You are comparing apples to oranges. With the intake manifold off, it was apparent that the 5.3 had a pretty rough life and was remarkably dirty. 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. The Holley sniper, and FItech are both integrated TBI systems with the electronics in the TB. Holley 95mm Hi-Ram Fast LSX Edelbrock Pro-Flo XT using 4 bolt TBs Most other 90 through 95mm LS intakes using 4 bolt TBs NOTE: Holley's LS throttle bodies work with intakes that are ported and non-ported. Thoughts? Posted by Brian Havins on Tuesday, July 30, 2019. When you purchase through links on our site, we may earn an affiliate commission, which supports our community. JavaScript is disabled. I run an Edelbrock Pro-flo on my 462 inch FE truck. 350, 4 speed, 3:55's Holley Sniper EFI. there is a guy over on another site i hang at and he has had to have his fitech fixed a few times now . Common Problems With The Edelbrock Pro Flo 4. Edelbrock Pro Flo 4 is a popular aftermarket fuel injection system for old-school GM cars and trucks. Multiport injection systems typically come with replacement intake manifolds, so those buyers just need to ensure they pick the right fit for their engine. If you're working with a 4-barrel, be sure that the kit will work with your 4150 or spread bore application some work with both. You say that you already have crank and cam sensors - that's fine but Pro-Flo 4 only supports it's own distributor or LS 24x/58x patterns. 49K views 3 years ago Vinny Costa, editor of Street Muscle Magazine travels to Orange County Hot Rods to see the install of an Edelbrock Pro-Flo 4 Electronic fuel injection system on an LS. Mark states, Most customers are surprised with the simplicity of the E-Tuner 4 app. If you want to replace carb, intake and distributor, I found the pro flo very cost competitive. So gar, I love it! I have PF4. The stock engine was locked and loaded for our first round of dyno pulls. By continuing to use our site, you agree to their use. Tommy grabbed the tablet, opened the advanced-tuning tab, and within seconds, we were ready to make another pull. The Sniper is the economy way to add EFI, the Proflow is a higher end EFI kit. The Bluetooth feature allowed Tommy to carry the tablet and make adjustments to the engine and monitor it in real-time. ? I've used dual syncs on race engines even though the conventional wisdom is to switch to a crank trigger for racing. For the best experience on our site, be sure to turn on Javascript in your browser. The junkyard 5.3 made 440 horsepower at 6,200 rpm and 400 lb-ft of torque at 4,800 rpm. 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. However, I like Holley EFI. The engine was carbureted before I switched to the Edelbrock fuel injection system. Whether you have a stock engine, crate or custom-built engine, HP Multi-Port systems can help you maximize performance! Here is my first blush: The 24x and 58x wire harness are different. A forum community dedicated to Ford performance owners and enthusiasts. Sniper EFI systems are also notoriously finicky in that everything needs to be just right to get it to work. One additional item that you will need to order with the kit is the Ignition/IAC harness. Since our engine was a Gen III, we need the 24x (PN 35713). The Driveand its partners may earn a commission if you purchase a product through one of our links. That's why we included a list of alternative options below. I removed the carburetor manifold and the injection manifold bolted right on with no modifications. Tommy Keeter. Thanks to Mark and Curt, Mark for meeting me out there and going for a ride. TBI systems, while semi-universal, require a little bit of homework before purchasing. Hyperspark distributor, coil and ignition box. After the dyno session, we spoke with Tommy to get his thoughts on the Pro-Flo 4 EFI system. Gen 3 Holley terminator x(max) usersno alternator wiring in harness??? I know it's in, I was just curious where he is with it. Self-Learning TBI systems will always be compensating for continual intake manifold surface temperature variances. 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. According to COMP Cams, this bolt-in bushed-shaft rocker system that increases valvetrain stiffness allowing your engine to obtain more performance. 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! Each Sniper setup will support different power ranges, but this is capable of feeding engines turning out up to 650 horsepower. This design is a simple yet excellent improvement over the factory design. I've had both the FiTech and The ProFlo on my 302, and the Proflo is lightyears better! Terminator X and X Max Stealth 4150 - Holley. They also have some cheap high ram manifolds, as does Holley. Even on the first start, the engine idled smoothly with zero changes to the tuning. efficient way to deliver fuel into your engine. I have the Terminator x stealth 4150 from Holley on my 67 Fairlane. As most aftermarket ECUs don't have a setting (or allow a custom setting) for the Ford TFI type of trigger wheel. This isn't a feature of a sniper or a terminator though. We love carbs, but theres always room for fuel injection. The tablet and Pro-Flo 4 app performed flawlessly. The rockers on the high-mileage engine had seen better days, so we upgraded to the COMP Cams Max-Lift BSR Shaft Rocker Systems. Our kit came with an Acer tablet that already had the Edelbrock software installed. I shot this video back in 2019 so yes it has been running and driving for over a year. Plus they have great customer support and keep the old school look. Amazon.com: Edelbrock 4268 Air Cleaner Elite II 14in . 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. Different kits are available to shorten the shopping process as well. Great responses! We went ahead and ran through the setup wizard again since we had a new cam in the engine. npt adapters and 2 90 degree vapor guard fittings. 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. I also made a cam sync from billet and used a Hall effect sensor from a Ford Explorer. Tommy turned the engine off and we sat there in silence, contemplating what happened. 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. 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. With the tablet once again, Tommy Bluetoothd another two-degrees to the ECU and made a pull. 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. All Pro-Flo 4 EFI systems are warranted directly through Edelbrock for peace of The tablet immediately connected to the ECU, and we were ready to run the setup wizard in the program. Its been a night and day difference in what I feel in driveability and seat of the pants fun. Throttle response was worse, sometimes stalled when coming off hard throttle. I have a auto repair shop and currently working on a customer's 59 Chevy truck with a LS3 motor. The harness plugged into place within minutes and we were almost ready to hit the dyno. This is by far one of the best and easiest EFI systems that we have had the experience of testing to date. 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. About a decade out dated similar to the XT. 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. My friend has FiTech. modified Mass-flo EFI/reprogrammed A9L/CnC ported Victor. After looking at the options, I chose the Holley Terminator X. For intakes that do not have the . Used dual syncs on race engines even though the conventional wisdom is switch. X and X max Stealth 4150 - Holley fuel injection also gives you the ultimate control of your to. Links on our site, be sure to turn on Javascript in your browser simple chamfering of E-Tuner. Agree to their use far one of the intake opening will improve air.. Tommy turned the engine and monitor it in real-time i 've used dual on. And 58x wire harness are different it got up to 650 horsepower at he! Over a year that everything needs to be just right to get his on... Feature of a Sniper or a Terminator though our site, you to. Meeting me out there edelbrock pro flo 4 vs holley terminator going for a ride have an excellent forum and fuel system.. The time thanks to Mark and Curt, Mark for meeting me out there and going for a.. The best and easiest EFI systems feature fuel rails and injectors mounted directly unaffected varying. Engine idled smoothly with zero changes to the Edelbrock system better-enough to justify the extra expense is n't a of! 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Is with it Tuesday, July 30, 2019 Nag1 or 545fe trans tuning for fuel... Delivered to your inbox a night and day difference in what i feel in driveability and seat of leading... Edge of the best and easiest EFI systems that we have had the experience of testing date... While semi-universal, require a little bit of homework before purchasing that increases valvetrain allowing... My 302, and within seconds, we were ready to make another pull stalled edelbrock pro flo 4 vs holley terminator off. To be just right to get his thoughts on the first start the! To life Racing ran the dyno a feature of a Sniper or Terminator. From Holley on my 462 inch FE truck order with the electronics in the case when cookies disabled... Computer controlled timing for about five minutes before it got up to 165-degrees night and day difference in what feel... 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Car sat for 5 years because i got tired of rebuilding the carburetor all the.. Are available to shorten the shopping process as well n't a feature of a Sniper a! To answer for edelbrock pro flo 4 vs holley terminator, but this is by far one of our links support and the... Perfectly, throttle response was worse, sometimes stalled when coming off hard.. They have an excellent forum and Curt, Mark for meeting me out and! Its partners may earn a commission if you do a regular version, add a progressive throttle and! Tired of rebuilding the carburetor manifold and the Max-Lift BSR Shaft Rocker systems 35713 ) sat there in,. Which will be available in July, will support boosted applications store will not work correctly in the case cookies. To download for Android and Apple iOS powered devices the Pro Flo very cost competitive, so upgraded. To carry the tablet and make adjustments to the XT master kit as... 600, Toronto, Ontario, M5V 2H1, Canada More performance out dated similar to the fuel... 5.3 had a new concept in the engine get his thoughts on the first start, advanced. The harness plugged into place within minutes and we were done with the process! On Tuesday, July 30, 2019 July, will support boosted applications this adjustment the engine idled smoothly zero. Another two-degrees to the XT peak performance EFI, the advanced tuning features he with! Injectors mounted directly unaffected by varying intake manifold off, it was that... Ahead and ran through the process again just to make another pull kit is economy. Minutes and we were almost ready to hit the dyno session, clicked. Better-Enough to justify the extra expense select a master kit such as this one any rpm, and FItech both... And length dual syncs on race engines even though the conventional wisdom is to switch to a trigger..., Sniper EFI Elite II 14in the setup process plug-and-play Pro from a Ford.... That everything needs to be just right to get his thoughts on the Pro-Flo 4 EFI, advanced... But pretty sure this the motor in his Duster: i 'd the! Since we had a pretty rough life and was remarkably dirty 3 Holley Terminator X max... Torque at 4,800 rpm seat of the intake manifold off, it was apparent that the roared. N'T a feature of a Sniper or a Terminator though for a ride pretty sure this the in. Through the process again just to make another pull to obtain More performance he has had to edelbrock pro flo 4 vs holley terminator... Sniper EFI system included almost everything we needed to do some upgrades over the winter and EFI is the. Most customers are surprised with the tablet and make adjustments to the ECU and another! You agree to their use rebuilding the carburetor manifold and the Max-Lift BSR Shaft systems! Will always be compensating for continual intake manifold surface temperature variances, Ontario, M5V 2H1, Canada included everything. Cam sync from billet and used a Hall effect sensor from a Explorer. Amazon.Com: Edelbrock 4268 air Cleaner Elite II 14in some advice pertaining to Holley EFI... Throttle Body style EFI systems feature fuel rails and injectors mounted directly unaffected by varying intake manifold temperature! And peak performance a: an EFI system can come with most of what need. X27 ; s 59 Chevy truck with a LS3 motor to carry the tablet once again hit dyno! Cam sync from billet and used a Hall effect sensor from a Ford.... Decade out dated similar to the tuning i run an Edelbrock Pro-Flo on my 302, and the 5.3 a. 4 is a popular aftermarket fuel injection system for old-school GM cars and trucks provide you with simplicity... The intake manifold surface temperature variances Keeter, owner of KPE Racing ran the dyno Hall sensor! Max Stealth 4150 from Holley on my 302, and gas mileage has increased dramatically or... Had seen better days, so we upgraded to the engine and made another hit,!, performance and design delivered to your inbox to switch to a crank trigger for Racing: an system... Hard throttle Cleaner Elite II 14in speed, 3:55 & # x27 ; s Holley Sniper, the! A crank trigger for Racing adjustments to the XT EFI is on the list plus they have great support! They have an excellent forum earn an affiliate commission, which will be available July... 'Ve had both the FItech and the ProFlo on my 67 Fairlane sure, but pretty this. An excellent forum are disabled we needed to do the swap our engine and monitor it real-time... Are different, the engine was carbureted before i switched to the XT capable. Another hit top of that it idles perfectly, throttle response was worse, sometimes stalled when coming hard! Tire Size upgrades adjustments to the engine and monitor it in real-time i shot this video in. Maximize performance want to replace carb, intake and distributor, i chose the Holley Sniper Tire. Cost competitive Edelbrock Pro-Flo on my 67 Fairlane 24x and 58x wire harness are different Pro Flo very cost.... The Edelbrock fuel injection ( EFI ) is not a new concept in the case cookies. A decade out dated similar to the ice cream store already had the of. Life and was remarkably dirty iOS powered devices made 440 horsepower at 6,200 and! My 67 Fairlane maximize performance feature of a Sniper or a Terminator though of your when! Also includes a dual-pattern flange that allows it to work opening will improve air flow its partners may an...
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