Painless 28 circut Bronco harness with Holley Sniper questions. Edelbrock Pro-Flo 4 EFI Traditional 4150-Style Kit. The tablet and Pro-Flo 4 app performed flawlessly. 08-03-2020, 08:54 AM. This location provides a more efficient mixture control thats I went from the FiTech to the PF4 and the PF4 is lightyears ahead! What piqued our interest was that Edelbrock claims this unit is extremely easy to use. Articles may contain affiliate links which enable us to share in the revenue of any purchases made. And of course, the fact that it didn't work without a sheet of lead. With the addition of boosted support and transmission control, the Pro-Flo 4 is only going to get better and even more dynamic. You are using an out of date browser. Yes approx another grand after I sell my current setup. For the price of a performance carburetor, you can walk away with fuel injection. Off-roaders it works!. However, less-inclusive versions are available for those who just need the EFI system itself because they have a different fuel system in mind. Your coil bracket is almost exactly where my factory installed coil mounts on my 5.9 Magnum. I've used dual syncs on race engines even though the conventional wisdom is to switch to a crank trigger for racing. Holley says that it is a simple four wire install but that isn't even close to the truth. Sniper goes from $1000-1500. 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. The Sniper is the economy way to add EFI, the Proflow is a higher end EFI kit. Bolt flange works with many 4-barrel applications. They have a harness for the 46re already. On behalf of every manufacturer, delivery drivers, supply chain representatives, and workers of the world, "We're Sorry.". The 5.3 didnt like the change and lost power. Holley efi fuel pump fuel line with regulator, filters and 3 male -6 AN to Male 3/8 in. The pre-loaded calibrations on the E-Tuner 4 app are great, and I really like the ability to adjust the system and monitor engine vitals right from a phone or tablet., Looking to upgrade to EFI. This update, which will be available in July, will support boosted applications. A person is just begging for problems if they don't use the Hyperspark distributor. By continuing to use our site, you agree to their use. Looking for some advice pertaining to Holley Sniper and Tire Size upgrades. This causes inconsistent and unsatisfactory performance caused by poor atomization and uneven cylinder distribution. At that point, the distributor wouldn't even need to be plugged in. Another system that's a candidate for you is the Edelbrock Pro Flo 4. We went ahead and changed the factory platinum plugs out for a set of NGK TR55s, added 10w30 weight oil and a new K&N oil filter. Just make sure it will cover your HP requirments. With the tablet once again, Tommy Bluetoothd another two-degrees to the ECU and made a pull. I've been running the Holley Terminator on a 393 since right after it came out in 2013. The Pro-Flo 4 intake will be taller then the Performer intake. For a better experience, please enable JavaScript in your browser before proceeding. 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. I have done 3 Pro-Flo installs on older Mopar engines and I am super happy with their product and support.. I'm still deciding between it and the holley style regulator since I've used the holley style on a terminator kit I did on a different car but I can't seem to find much info on the Pro-Flo regulators except one youtube video and the recommendation on the Edelbrock . We love carbs, but theres always room for fuel injection. 454ci, 500-600hp, street cruiser Out of those three, the Pro-Flow, because it is a multi-port, sequential system. This design delivers the fuel into the air flow stream in the plenum The ECU is compact and can be mounted virtually anywhere. Holley Tech support has been great plus they have an excellent forum. (I also have an LS FiTech setup available as soon as the Pro Flo 4 arrives!) Currently we are running a Edelbrock Pro Flo XT in satin and plan to swap to the same XT intake powder coated black. That price likely wont cover everything, though. Tommy Keeter, owner of KPE Racing ran the dyno and monitored all of the vitals. Pro-Flo will also adjust timing using the included distributor, I don't know if the Holley unit will do this. Even if they aren't on our personal cars, they're something that we know more than enough about to help you decide which belongs on your car. 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. They responded with a custom-grind cam, cam installation kit, and the Max-Lift BSR Shaft Rocker System. A. The stock engine was locked and loaded for our first round of dyno pulls. @67Charger440: You need to be working with a laptop and the Terminator X EFI software. No learning tuning settings and constantly making changes. The setup wizard is extremely simple and self-explanatory. There's a chance Pro-Flo 4 could work with a Holley intake manifold and throttle body but there are a few roadblocks. Build your own custom newsletter with the content you love from LSX Magazine, directly to your inbox, absolutely FREE! When you purchase through links on our site, we may earn an affiliate commission, which supports our community. It's the first EFI distributor I used with Holley EFI. You can get all of the benefits of EFI without all of the headaches that are sometimes associated with them. hindering tuning for peak fuel economy and peak performance. Ive had the Pro Flo 4 on around 3 months now & turned off the self learning after 2 weeks. 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. 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. Tommy turned the engine off and we sat there in silence, contemplating what happened. Holley is pouring a lot of r&d into gen III, I personally wouldn't go with anyone else. There's a lot to consider before you jump on the first EFI system you come across. 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. combustion chamber. efficient way to deliver fuel into your engine. It takes a lot of work to get the wiring correct. Andrew. I have PF4. Pro Flo 4 has made my 1969 Camaro daily drivable which I would have never thought possible. 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. Edelbrock is out to fix these problems with its latest EFI system, the Pro-Flo 4. Looking into the Pro-Flo 4+ as an alternative. i took a year looking at all the bolt on f.i systems and saw a lot of problems with fitech . (which is what the Holley Terminator is) is going to be more powerful and have better drivability than just about any carb. The Pro-Flo 4 is an affordable EFI solution that is easy to wire, self-learning, and is operated through a Bluetooth tablet or other Android-based handheld devices. The problem with this method includes wiring nightmares, tuning issues, lack of support, and it can be expensive. The Pro-Flo EFI 4 was perfect right out of the box I didnt even look at the instructions. Benefits of the edelbrock is that it comes with the intank manifold, distributors and its multi point injections along with the fuel rails and injectors. It's still in the mail on the way back. As one of the original proponents of EFI in high-horsepower applications, Ive been eager to replace the carburetor on my 69 Camaro. But has it gone to the ice cream shop? For many folks, this is the best way to achieve improved driveability and fuel economy, which will ultimately keep more classic vehicles on the road. there is a guy over on another site i hang at and he has had to have his fitech fixed a few times now . The sniper ecu is in the throttle body. Purchased and installed a FiTech system on my LS build about a year ago, Naturally aspirated 6.0, PRC heads with stage 2 cam. Multiport injection is the other option. He then added four-degrees, which put us two-degrees over where we previously made 400 horsepower. 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. 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. The software and hardware for this setup performed flawlessly, and the Bluetooth tablet tuning capabilities are like nothing we have ever used before. Can you even drive to the ice cream store? 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. The Terminator x system has a separate ecu which can be mounted inside the car protecting it from heat and vibration. 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. Is there anything else Im going to run into? Holley also offers a long list of application-specific components designed to work with the EFI system that will help it feel right at home in your classic. Now it was time to start the engine and tune it. Gen 3 Holley terminator x(max) usersno alternator wiring in harness??? The Pro-Flo EFI 4 was perfect right out of the box. Dont mind me, just posting a video for an article. After looking at the options, I chose the Holley Terminator X. The Pro-Flo EFI system comes pre-assembled and simply bolts on the LS engine. For intakes that do not have the . Thank you for the feedback. I installed the pro flo 4 system to my car, a mustang 1965 Small block 289 v8 4.7. The Pro-Flo 4 is ideal for carbureted guys that are scared of EFI and dont want to tune on the engine with a computer and software. the end of the runner on the intake manifold right before the air flow stream enters the whats the better system? similar to a carburetor. Over the years, enthusiasts have figured out ways to utilize factory EFI systems and adapt them over to fit their needs. after 40 years of working on cars for a living this is the best system and support i have found. 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. 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. The Terminator X Stealth 4150 EFI system from Holley features 4, 100LB/HR Fuel Injectors capable of supporting up to 650HP naturally aspirated at the flywheel. I feel your pain as I had to spend another grand but to me it has been well worth it. It Only Gets Better is also timed with the intake valve opening, giving the ultimate control and is the most I run an Edelbrock Pro-flo on my 462 inch FE truck. You must log in or register to reply here. Banging gears, turning wrenches, and praying while spraying are just a few of his favorite things. The fuel injectors are moved down the intake runners just before each of the cylinders. 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. This design produces the best fuel 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. Posted by Brian Havins on Tuesday, July 30, 2019. If you do a regular version, add a progressive throttle linkage and computer controlled timing. We initially chose it mostly for looks in keeping with a classic muscle car vibe but really like the XT for its performance. The engine was still making power when it hit the rev-limiter. The E-Tuner 4+ app can be downloaded for free from either the App Store or Google Play. The Edelbrock wiring harness, like the rest of the components used for the Pro-Flo 4 is top notch. To do a conversion a Dual Sync is recommended. The app itself is very intuitive, yet basic, and powerful at the same time. I am having a 427 built by ford strokers now and will be doing the hyperspark and control box with the new engine however. MarkHonsowetz, Multi-Port Injection Vs. Throttle Body Injection I bought Sniper for my car and before I bought the Hyperspark distributor, CDI box and coil, I was. Within a matter of minutes, the tablet told us once again it was ready to rock. All times are GMT-8. . I just bought the Sniper 2 barrel version for my other bronco, hope to install soon. I have an Edelbrock ProFlo XT (port injected) on my 496" Mopar RB. starts. That said, Sniper EFI pricing is competitive, even when you select a master kit such as this one. injection for improved drivability and efficiency. atomization and precise distribution to each cylinder for the ultimate performance. I've had both the FiTech and The ProFlo on my 302, and the Proflo is lightyears better! Reactions: tr57210. For the best experience on our site, be sure to turn on Javascript in your browser. You can get all of the benefits of EFI without all of the headaches that are sometimes associated with them. 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. to a throttle body. Within ten minutes, we were done with the setup process. i have a few of them . Would the Edelbrock EFI unit be as simple to use even with the cam swap, and how much power would we pick up? Tommy looked at the dyno numbers and said, Dude, we just made 440 horsepower on a junkyard LS with a cam swap. He was right! Typically, the center cylinders run slightly richer than the outer cylinders, This features a throttle body, but it controls little more than airflow to the manifold. NOT CONVINCED? mixture to separate as it flows to the cylinders, resulting in an uneven mixture between Andy will have to answer for sure, but pretty sure this the motor in his Duster. Edelbrock Pro Flo 4 is a popular aftermarket fuel injection system for old-school GM cars and trucks. While it's more time-intensive than a carb swap, it's as close to a bolt-on as you're going to find. A: An EFI system can come with most of what you need to bolt it on. Holley's Sniper EFI system is a great option for many, but it's not the best for every situation. 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 question is, what kind of distributor does Edelbrock use for the ProFlo? Pro-Flo 4+ is the most simplified EFI Engine Management System on the market, providing EFI support for late-model Gen III/IV LS, Gen I/II Ford Coyote and Dodge Gen III HEMI engines with drive-by-wire throttle and variable camshaft timing (VCT) in hot rod transplant applications. Even with all new parts, I've always had serious spark scatter. Dirt and grime covered the 5.3 from top to bottom. The 496 already has a 36-1 trigger wheel from it's Megasquirt days. You will need to order the Ignition/IAC Harness harness, but we well into that later. Pro-Flo 4 EFI has the potential for improved fuel economy when upgrading from a Edelbrock has a Pro Flow 4 system for LS with a cast high ram manifold for $2195. 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. For a better experience, please enable JavaScript in your browser before proceeding. Vinny. 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. 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. ? Since our engine was a Gen III, we need the 24x (PN 35713). Great responses! @67Charger440: I'd modify the Mallory EFI Hall-Effect distributor's reluctor wheel like I mentioned in the post #4. If . 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. Its simple, competitively priced, and compatible with a long list of applications. When you purchase through links on our site, we may earn an affiliate commission, which supports our community. Here are a few tips that will help you make an educated choice on which works best for you. 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. 2 TABLE OF . EFI systems offer improvements in efficiency and performance but aren't always better than carburetors. This application-specific kit is the best way to. looking for opinions, Edelbrock Pro-Flo 4 EFI vs Sniper vs FiTech. So I would guess that the answer to both is yes. ? I currently have stock set up and an old distributor which I'm going to upgrade. Dec 30, 2021 #2 Derwud Well-Known Member Local time 9:52 PM Joined Aug 18, 2014 Messages 1,447 Thoughts? The junkyard 5.3 made 440 horsepower at 6,200 rpm and 400 lb-ft of torque at 4,800 rpm. Whether you have a stock engine, crate or custom-built engine, HP Multi-Port systems can help you maximize performance! yes it is more money but you get what you pay for!!!!! This system is available with an EFI intake or a carburetor-style intake with a throttle body on top of the manifold and the Pro-Flo 4 can handle up to 775 horsepower, depending on the application. simple chamfering of the leading edge of the intake opening will improve air flow. As with our proven Pro-Flo 4 EFI, the advanced plug-and-play Pro . Also had great support from the Edelbrock team. Agree with economy approach for sniper if youre only replacing the carb. the past. Took it testing to Johnson Valley Ca. I wouldn't recommend running a Sniper without the matching Hyperspark distributor. I know that there are pros and cons for each type of fuel injection but has anyone tried both ( Ideally on the same engine)? mind! In the next few days I need to pull the trigger on either the Sniper or the Pro Flo. The new Pro Flo I can't say enough good. The Bluetooth feature allowed Tommy to carry the tablet and make adjustments to the engine and monitor it in real-time. With the intake manifold off, it was apparent that the 5.3 had a pretty rough life and was remarkably dirty. Had I known then the Sniper would exist I would have waited as it is lots cheaper, like less than half the cost. Pro-flo 4 problem. With the COMP goodies in place and the engine buttoned up, it was time to give the Edelbrock Pro-Flo 4 a go. Upping The Power With COMP Cams check out the, Running a tablet instead of the FiTech controller-I fear it will eventually break outside of warranty (these plug in ports are some of the, While FiTech has improved-the customer support is still lacking IMO. This particular kit includes everything from the EFI system itself to the fuel pump and some plumbing components. This part number also includes a tablet that will allow us to monitor the engine and program the ECU, as well. It's not compatible with Holley EFI as-is. Great feedback vjrosales. Since that time, fuel injection has gained popularity as it increases an engines efficiency as well as drivability. more to add from me now i have time after work . Sniper has several versions. 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. 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. dont cheap out do what the instructions tell you to do and the parts they recommend and you will be happy. One additional item that you will need to order with the kit is the Ignition/IAC harness. You must log in or register to reply here. With Pro-Flo 4 EFIs computer controlled multi-port injection, hard starts are a 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. I've never been satisfied with the timing stability with the Chrysler OEM distributor slot & tang arrangement. 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. I also made a cam sync from billet and used a Hall effect sensor from a Ford Explorer. Thanks to Mark and Curt, Mark for meeting me out there and going for a ride. I like it alot. Holley Mid-Mount Complete Accessory Drive System worth it?. I'm considering either the sniper or the terminator for my '68 Falcon. 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. Have you ever seen a better-looking set of spark plugs with no tuning? I agree the interface is basic but somebody will hack it eventually if they haven't already. The ECU is compact and can be mounted virtually anywhere. EFI systems are nothing new to the aftermarket, and if you're a classic car nut like myself and other members of The Drive's team, you spend a lot of time reading about them. 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. The Pro-Flo 4 EFI system included almost everything we needed to do the swap our engine and get it on the dyno. Being able to control my engine from a tablet or phone through an app is awesome. The Pro Flo 4 performed flawlessly no matter what we through its way. Anyone looking to switch to EFI I would strongly recommend this kit., "The install of this kit was a breeze considering the entire manifold is already assembled and the harness is completely plug and play; an easy Sunday job over the fender.

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