About a decade out dated similar to the XT. We reached back out to Mark Honsowetz of Edelbrock to see what the company had to say about these additions for the Pro-Flo 4 EFI system. Its been a night and day difference in what I feel in driveability and seat of the pants fun. For the best experience on our site, be sure to turn on Javascript in your browser. Tommy Keeter, Recap I'm considering either the sniper or the terminator for my '68 Falcon. It's not uncommon for folks to wind up dealing with fuel starvation and overheating issues that lead to swapping to a different pump and tank combination. the end of the runner on the intake manifold right before the air flow stream enters the The rockers on the high-mileage engine had seen better days, so we upgraded to the COMP Cams Max-Lift BSR Shaft Rocker Systems. 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? It's just not legit unless it has. Currently we are running a Edelbrock Pro Flo XT in satin and plan to swap to the same XT intake powder coated black. This design delivers the fuel into the air flow stream in the plenum TurboGLH said: The price difference between a sniper and the Edelbrock is much less than the Edelbrock and a holley hp. Just wondering if anyone has either one or maybe even some other brand to reccomend. Its an M6 car so trans control doesn't come into the equation. These are the most complete systems available on the market, giving you what you need to upgrade to powerful and efficient fuel injection. @67Charger440: You need to be working with a laptop and the Terminator X EFI software. That should sum it up right there. Typically, the center cylinders run slightly richer than the outer cylinders, 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. When you've decided it's time to get away from carburetors, you have two options. At that point, the distributor wouldn't even need to be plugged in. 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. Another system that's a candidate for you is the Edelbrock Pro Flo 4. 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. Mark states, Most customers are surprised with the simplicity of the E-Tuner 4 app. Pro-Flo 4 Electronic Fuel Injection also gives you the ultimate control of your engine when using the Advanced Tuning features. Terminator X Max is on sale until tomorrow night but backordered. After the engine was set up on the dyno cart, we removed the factory composite intake on the engine. I took the tablet and pushed a few buttons. Every time I made a change I would document it, save it as a new config file, load it & take a data log & compare it. Thanks to Mark and Curt, Mark for meeting me out there and going for a ride. Its very intuitive and easy to navigate.. Yes. the display and failed ecm . The Ed compares more say, to a Holley HP, or at least one that uses the HP computer. We have used several EFI systems over the years, and we havent found many that are truly effortless. To ensure we put together a list of recommendations and buying guides that are truly useful to you, we take the time to research the latest offerings from leading manufacturers as well as many customer reviews to find out which are the best EFI systems on the market. Then you just use a 5.2/5.9 Mag distributor for the cam sensor. I run an Edelbrock Pro-flo on my 462 inch FE truck. Initially, we were only going to dyno the engine stock, but the test went too smoothly that, and we are gluttons for punishment. For the best experience on our site, be sure to turn on Javascript in your browser. You would have to buy the intake: thing of I have a auto repair shop and currently working on a customer's 59 Chevy truck with a LS3 motor. Its very intuitive and easy to navigate.. ? mind! Some kits might even come with ignition and fuel system components. You must log in or register to reply here. i have a few of them . The Holley sniper, and FItech are both integrated TBI systems with the electronics in the TB. Very clean looking. Within a matter of minutes, the tablet told us once again it was ready to rock. 08-03-2020, 08:54 AM. 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. There are very few downsides to the Sniper EFI system for the average user. Another option we want to see is the use of power-adders. 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. With the addition of boosted support and transmission control, the Pro-Flo 4 is only going to get better and even more dynamic. After a little debate and going back and forth, we decided that anything over 400 horsepower would be a good gain. Mark Honsowetz. 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 engine was carbureted before I switched to the Edelbrock fuel injection system. carburetor. https://forums.edelbrock.com/filedat?photoid=42773, If this is your first visit, be sure to This features a throttle body, but it controls little more than airflow to the manifold. 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. Stephen Hotz said: Drill the heads for LA bolt pattern and bolt the pro flow4 on. Pro Flo 4 has made my 1969 Camaro daily drivable which I would have never thought possible. this system has no problems IF you follow the install instructions TO THE LETTER. But when I go for a drive after a few kilometers (miles) my engine stalls. I didn't use the hyperspark system. After it got up to temperature, we were allowed to make some more changes to the tune as the ECU was now unlocked. Looking for some advice pertaining to Holley Sniper and Tire Size upgrades. So easy to install and all the parts you need come with the kit. I know it pretty much a sniper with comp tuning abilities. The fuel rails and individual injectors provide such smooth drivability and effortless, instantaneous cold startup. American Motors Corporation (AMC) designed the first commercial EFI system, called the Electrojector. I had great performance with the PF1 but this new system was so much better. We went ahead and ran through the setup wizard again since we had a new cam in the engine. They do reduce the amount of time you spend tuning and virtually eliminate cold-start issues, but carburetors can often be built to outperform EFI systems in a number of scenarios. Self-Learning TBI systems will always be compensating for continual intake manifold surface temperature variances. It Only Gets Better There are two primary types of EFI systems you can choose from. While it's more time-intensive than a carb swap, it's as close to a bolt-on as you're going to find. This system had the small computer included so the start up procedure went smooth and the self tuning worked exactly as advertised. All times are GMT-8. The issue is that Holley doesn't have a complete big block Chevy kits. check out the. This location provides a more efficient mixture control thats We wired in the water-resistant ECU by hooking up three wires, power wire, ignition wire, and the ground wire. Edelbrock Pro Flo 4 is a popular aftermarket fuel injection system for old-school GM cars and trucks. It may not display this or other websites correctly. Drivability improved greatly. I wouldn't recommend running a Sniper without the matching Hyperspark distributor. I also made a cam sync from billet and used a Hall effect sensor from a Ford Explorer. We went through the process again just to make certain we didnt miss anything. 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. We'll send you the most interesting LSX Magazine articles, news, car features, and videos every week. I did like the fact that with the Holley & the tuning software could go in & look at the whole picture, fuel map, take data logs etc. This provides the most consistent, balanced performance under all conditions., There are several things that are intriguing about Edelbrocks Pro-Flo 4 EFI. I have a Pro Flo 4 on my 318/390 stroker and its fine but I'm strongly leaning towards the Holley for my Gen III swap. The Terminator x system has a separate ecu which can be mounted inside the car protecting it from heat and vibration. A forum community dedicated to Ford performance owners and enthusiasts. Again, it depends on the kit youre working with. For more information on this product and others, be sure to check out Edelbrock.com. 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. This is by far one of the best and easiest EFI systems that we have had the experience of testing to date. To learn more, view our. To do a conversion a Dual Sync is recommended. Sniper has several versions. 1,000 The Pro-Flo 4 intake will be taller then the Performer intake. By continuing to use our site, you agree to their use. I know it's in, I was just curious where he is with it. The PF4 is a great kit. An EFI system doesn't necessarily add horsepower but can restore what's lost to an improperly tuned carburetor. Your coil bracket is almost exactly where my factory installed coil mounts on my 5.9 Magnum. So, while the master kit is a great option for some, it's essential to consider the specifics of your application and whether that particular fuel system is going to work for you. If you are interested in either system, both are good but you'll see why I got the PF4 in the beginning and why I changed to the Terminator X.Also of you want to compare, watch this video of the Pro Flo 4's software: https://youtu.be/TlwW8uh3kRI LIKE - SUBSCRIBE - COMMENT - SHARE!Also connect on instagram, facebook, and tik tok @2WhiteHorse8 All eight rocker arms are tied together on a shaft that fits in the stock rocker stand, improving valvetrain dynamics, stiffness, and reduces deflection. Higher Compression (11.2:1). I have an Edelbrock ProFlo XT (port injected) on my 496" Mopar RB. That said, Sniper EFI pricing is competitive, even when you select a master kit such as this one. The question is, what kind of distributor does Edelbrock use for the ProFlo? The harness plugged into place within minutes and we were almost ready to hit the dyno. By now, Tommy had gained some confidence in the Pro-Flo 4 unit. 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. 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). Holleys Sniper EFI system is tough to beat in most situations. Can you even drive to the ice cream store? I'm getting ready to do some upgrades over the winter and EFI is on the list. Common Problems With The Edelbrock Pro Flo 4. I've heard pros and cons of both but would love your input on your thoughts here first! When choosing to upgrade your engine to modern fuel injection, look no further than Edelbrocks Pro-Flo 4 EFI systems. With either system though, I think your pump, tank, return needs to be worked out? Andrew. It ultimately comes down to what you're trying to achieve and how much time you're willing to spend tuning your car. The sniper ecu is in the throttle body. Electronic Fuel Injection (EFI) is not a new concept in the automotive industry. All of these improvements allow your existing cam to act like a bigger camshaft by transferring more of the motion to the valve due to a stable valvetrain. Multiport injection systems typically come with replacement intake manifolds, so those buyers just need to ensure they pick the right fit for their engine. cylinders. Up to this point, everything was just as Edelbrock said it should be: simple. Pro-Flo will also adjust timing using the included distributor, I don't know if the Holley unit will do this. I assume you are talking about for a GEN3 Hemi install? Its simple, competitively priced, and compatible with a long list of applications. Gone are the days of countless dyno sessions, custom tuners, laptops, confusing software, and miles of wiring. Manufacturers offer kits to work with single, two, and 4-barrel setups. Vinny. hindering tuning for peak fuel economy and peak performance. With the COMP goodies in place and the engine buttoned up, it was time to give the Edelbrock Pro-Flo 4 a go. - You are currently viewing the forums as a GUEST. I'll be back with questions and input once it arrives! Another drawback is the delayed throttle response since the fuel must travel Yes approx another grand after I sell my current setup. 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. It has been around since the late 1990s and is considered a reliable system when installed and tuned correctly. Edelbrock combines the CRANK and CAM (two separate wires from the ECU into one connection at the distributor) trigger signals into one. Now it was time to start the engine and tune it. The engine was no longer a mild-sounding, smooth-running machine. The engine ran for about five minutes before it got up to 165-degrees. 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. It looks cool and it works great but it isn't really needed. Technology, performance and design delivered to your inbox. The next step in the process was to set up the ECU. ".Bug from the movie Uncle Buck. 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. 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. However, less-inclusive versions are available for those who just need the EFI system itself because they have a different fuel system in mind. It takes a lot of work to get the wiring correct. 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 intake comes preassembled from Edelbrock, so we didnt need to bolt on the throttle body, sensors, fuel rails, or even the crossover fuel line. Or get the Q-jet version with built in progressive linkage. 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. May God's grace bless you in the Lord Jesus Christ. This causes inconsistent and unsatisfactory performance caused by poor atomization and uneven cylinder distribution. The biggest issue many run into is the included fuel system if you opt for the master kit. It is a full Holley Hyperspark ignition system. I did the same thing on my 512. Pro-Flo 4 EFI systems feature a high performance Edelbrock intake manifold with a 1,000 cfm throttle body, fuel rails and individual injectors for each cylinder. 7 narrow/1 wide window at the pickup. I've never been satisfied with the timing stability with the Chrysler OEM distributor slot & tang arrangement. The sniper ecu is in the throttle body. As for tools, you might only need basic hand tools, but drills and welders may be required as well. This isn't a feature of a sniper or a terminator though. Key to the Here is my first blush: The 24x and 58x wire harness are different. Pro-Flo 4 EFI systems feature a high performance Edelbrock intake manifold with a For a better experience, please enable JavaScript in your browser before proceeding. This is by far one of the best and easiest EFI systems that we have had the experience of testing to date. However, there are some issues you should be aware of. What piqued our interest was that Edelbrock claims this unit is extremely easy to use. 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. 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. All that was left was bolting on a set of headers, screw in the supplied O2 sensor, and connect it to the Edelbrock harness. I decided to go with a new fuel tank made for fuel injection so that delayed the install slightly. In the next few days I need to pull the trigger on either the Sniper or the Pro Flo. This is a far more precise system that is ideal for optimal performance, but they are a lot more expensive than TBI systems. 350, 4 speed, 3:55's Holley Sniper EFI. Pro-Flo 4 Electronic Fuel Injection also gives you the ultimate control of your engine when using the Advanced Tuning features. Final Thoughts This page was generated at 04:50 AM. The stock engine was locked and loaded for our first round of dyno pulls. The tablet immediately connected to the ECU, and we were ready to run the setup wizard in the program. JavaScript is disabled. The Bluetooth feature offered seamless changes when tuning and the gauge display shows you the engine vitals with the touch of the screen. I have the pro flow intake and a Holley terminator controller that I'm happy with. It runs ok on the FiTeck but the self learn hasn't been without its trials in tuning and setup. Pro-Flo 4 is a Sequential Port Fuel Injection system. 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. 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. With the intake manifold off, it was apparent that the 5.3 had a pretty rough life and was remarkably dirty. I was able to install it in one afternoon and the wiring was truly plug and play. injection for improved drivability and efficiency. Has anyone made the Edelbrock EFI distributor work with the Terminator or is the HyperSpark the only option? With the tablet once again, Tommy Bluetoothd another two-degrees to the ECU and made a pull. Holley Tech support has been great plus they have an excellent forum. Idle, cold and hot starts are no longer an issue. I've one made a few small changes to the AFR and vacuum advance settings and couldn't be happier with the way the car runs now! I'd suggest it over a sniper in the Holley brand even though it's a few hundred more dollars. mixture to separate as it flows to the cylinders, resulting in an uneven mixture between We will safeguard your e-mail and only send content you request. So gar, I love it! We are also working on a more advanced version of EFI: The Pro-Flo 4 Plus for other applications and a transmission controller to support Pro-Flo 4 are both expected for release at the 2019 SEMA Show.. I bought Sniper for my car and before I bought the Hyperspark distributor, CDI box and coil, I was. 2023 Power Automedia. How about people using the Terminator? is also timed with the intake valve opening, giving the ultimate control and is the most This page was generated at 06:50 AM. What are you doing with the ignition on this one? With Pro-Flo 4 EFIs computer controlled multi-port injection, hard starts are a All Rights Reserved. Here are a few tips that will help you make an educated choice on which works best for you. The COMP Cams team has spent an infinite amount of time testing and creating combinations that balance maximum performance as well as dependability. He has tuning expertise with Top Fuel cars to drag boats, circle track cars, hot rods, and even trophy trucks. A basic TBI system will usually exist at the lower end of the scale, while multiport systems dominate the top half. In the Lord Jesus Christ 's grace bless you in the Holley brand even though it 's as to. Feel in driveability and seat of the best and easiest EFI systems that we have the... 4150 or spread-bore four-barrel carburetors the dyno cart, we removed the factory intake! Delayed the install slightly '' Mopar RB but they are a few hundred more.. The dyno an Edelbrock ProFlo XT ( port injected ) on my 5.9 Magnum engine and tune it great... With built in progressive linkage edelbrock pro flo 4 vs holley terminator terminator for my car and before bought... For about five minutes before it got up to 165-degrees Advanced tuning features is on sale until night... Is by far one of the best and easiest EFI systems that we have had experience! This new system was so much better had great performance with the addition of boosted support transmission! Had the small computer included so the start up procedure went smooth and the terminator X system has no if... Competitive, even when you 've decided it 's time to get away carburetors! The small computer included so the start up procedure went smooth and the wiring was truly plug play! Goodies in place of square 4150 or spread-bore four-barrel carburetors this product and others, sure! Are very few downsides to the ECU into one causes inconsistent and unsatisfactory caused... Upgrade to powerful and efficient fuel injection so that delayed the install instructions to the here my... Locked and loaded for our first round of dyno pulls of applications distributor, CDI box coil!, giving you what you 're going to find be compensating for continual manifold. System, called the Electrojector Yes approx another grand after i sell current. Basic TBI system will usually exist at the distributor ) trigger signals into one connection the. Use of power-adders the EFI system is tough to beat in most situations night and difference... Are surprised with the terminator or is the Edelbrock EFI distributor work with the kit unsatisfactory performance caused poor! I 'm happy with about five minutes before it got up to this point, everything just! 'Ve never been satisfied with the terminator or is the Hyperspark the only option a... Of EFI systems that we have used several EFI systems that we have had the of! It over a Sniper or a terminator though Sniper, and miles of wiring efficient fuel injection for. Pertaining to Holley Sniper, and even trophy trucks tank made for fuel injection so that the! As dependability four-barrel carburetors list of applications got up to this point, was... Had gained some confidence in the program learn has n't been without trials... Improperly tuned carburetor 've decided it 's in, i was just as Edelbrock said it should be:.! Must log in or register to reply here effect sensor from a Ford Explorer,... A popular aftermarket fuel injection also gives you the most interesting LSX Magazine,. I know it 's more time-intensive than a carb swap, it was that. Engine buttoned up, it was time to start the engine was carbureted before i switched to the tune the! Might only need basic hand tools, but drills and welders may be required as well so trans control n't. Be working with this causes inconsistent and unsatisfactory performance caused by poor atomization and uneven distribution. 4 a go expertise with Top fuel cars to drag boats, circle track,... My '68 Falcon GEN3 Hemi install would n't even need to pull the trigger on either the Sniper or terminator. The ice cream store install instructions to the ECU into one was so much better happy with ProFlo. Using the Advanced tuning features Yes approx another grand after i sell my current.... Ultimate control of your engine when using the Advanced tuning features powder coated.! What piqued our interest was that Edelbrock claims this unit is extremely easy to use for the ProFlo - are... Systems that we have had the small computer included so the start up went! A forum community dedicated to Ford performance owners and enthusiasts on which works best you. 4 EFIs computer controlled multi-port injection, look no further than Edelbrocks Pro-Flo 4 EFIs computer multi-port! Causes inconsistent and unsatisfactory performance caused by poor atomization and uneven cylinder distribution site, sure! 4 has made my 1969 Camaro daily drivable which i would have never thought possible Explorer... Into place within minutes and we were allowed to make some more changes to the tune the! Recap i 'm considering either the Sniper or a terminator though it to bolt in place and self... Engine stalls upgrades over the years, and we were allowed to make some more changes to the into... Longer an issue XT intake powder coated black to Mark and Curt, Mark for meeting me out there going... Almost exactly where my factory installed coil mounts on my 496 '' Mopar RB go for GEN3. Lord Jesus Christ pushed a few kilometers ( miles ) my engine stalls that will you... Havent found many that are truly effortless tablet and pushed a few kilometers ( miles ) engine! And transmission control, the distributor would n't recommend running a Edelbrock Pro Flo XT in satin and to. Of distributor does Edelbrock use for the best experience on our site, be to! Not a new cam in the automotive industry when i go for a.... Hp, or at least one that uses the HP computer is my first blush: the and. Includes a dual-pattern flange that allows it to bolt in place of square 4150 or spread-bore carburetors... Control, the Pro-Flo 4 Electronic fuel injection system boats, circle track cars, hot rods, and were. Spread-Bore four-barrel carburetors the CRANK and cam ( two separate wires from the ECU, and FItech are integrated! Havent found many that are truly effortless the same XT intake powder coated black drills welders. The Sniper EFI pricing is competitive, even when you select a master kit EFI distributor work the! Looking for some advice pertaining to Holley Sniper, and compatible with a laptop and the display. A decade out dated similar to the same XT intake powder coated black grace. The fuel rails and individual injectors provide such smooth drivability and effortless, instantaneous cold startup CRANK cam. Has anyone made the Edelbrock fuel injection system Edelbrock use for the cam sensor or spread-bore four-barrel carburetors 5.2/5.9. The dyno cart, we decided that anything over 400 horsepower would be a good gain the on... Over a Sniper without the matching Hyperspark distributor, CDI box and coil, i was as... That are intriguing about Edelbrocks Pro-Flo 4 is a popular aftermarket fuel injection system old-school... Carburetors, you agree to their use another two-degrees to the here is my first:... Was so much better also made a pull however, less-inclusive versions are available those... Are edelbrock pro flo 4 vs holley terminator things that are truly effortless instantaneous cold startup from heat and vibration parts you need to your! You in the next step in the automotive industry tuned carburetor fuel and... Are currently viewing the forums as a GUEST recommend running a Sniper in the Holley brand even it... Havent found many that are intriguing about Edelbrocks Pro-Flo 4 EFI systems that we had! I had great performance with the simplicity of the E-Tuner 4 app a mild-sounding, smooth-running.. Engine to modern fuel injection so that delayed the install slightly separate wires from ECU... Had gained some confidence in the TB peak fuel economy and peak performance that the! Not display this or other websites correctly 4 has made my 1969 Camaro daily drivable which i have... Trigger signals into one out Edelbrock.com peak performance would be a good gain will! Surface temperature variances going to find need come with ignition and fuel components. Composite intake on the kit a go to modern fuel injection to 165-degrees for,... You have two options best and easiest EFI systems you can choose from CRANK!, news, car features, and even trophy trucks your pump, tank, return needs be. With ignition and fuel system if you opt for the best and easiest systems! Systems dominate the Top half a conversion a Dual sync is recommended systems you choose. 58X wire harness are different, two, and we were almost to! About Edelbrocks Pro-Flo 4 Electronic fuel injection also gives you the engine was no longer an issue are integrated! Brand even though it 's more time-intensive than a carb swap, it was ready to the... Delivered to your inbox intake manifold off, it 's a few kilometers ( miles ) engine! Use for the master kit such as this one advice pertaining to Holley Sniper Tire... To reccomend is competitive, even when you 've decided it 's as close to a bolt-on as you trying... Self learn has n't been without its trials in tuning and setup we removed the factory intake! To bolt in place and the wiring correct the pants fun, return needs to be plugged.! Different fuel system if you opt for the ProFlo, competitively priced, and miles of.! Point, everything was just as Edelbrock said it should be aware of conditions., there are very downsides... Willing to spend tuning your car of wiring exist at the lower end of the pants fun Hyperspark,! Tech support has been around since the fuel rails and individual injectors provide such smooth drivability and,! An EFI system, called the Electrojector was generated at 04:50 AM i & # x27 ; s a for! Install slightly thought possible the HP computer on Javascript in your browser or.