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. However, edelbrock's pro flo seems more advanced (and more expensive) but it also has a slightly more complicated setup. Holley Terminator EFI: State of the Art in Throttle Body Injection Systems. 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. Anyone experienced with Edelbrock Pro-Flo Multi-Point EFI? Design provides improved clearance on Edelbrock carbs. By now, Tommy had gained some confidence in the Pro-Flo 4 unit. Self-Learning TBI systems will always be compensating for continual intake manifold surface temperature variances. Unless you have the correct software, a computer, and some tuning knowledge, you would need to haul your car to a tuner for some dyno time and a custom tune. The Pro Flo 4 performed flawlessly no matter what we through its way. Holley Sniper vs Stealth. For more information on this product and others, be sure to check out Edelbrock.com. Have you ever seen a better-looking set of spark plugs with no tuning? Welcome to our site! For a big cam, it would want to load a lot more fuel maps for high manifold pressure (low vacuum) situations, so it can make better choices. In the next few days I need to pull the trigger on either the Sniper or the Pro Flo. Initially, we were only going to dyno the engine stock, but the test went too smoothly — that, and we are gluttons for punishment. We were excited to see how much power the COMP package would make and see how the Pro-Flo 4 would handle the larger camshaft. Trying to decide what would work best with my current application either the Dominator or Terminator X system. street/ mild, street/strip or race cam, something like that. – Mark Honsowetz, Multi-Port Injection Vs. Throttle Body Injection 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. We were blown away at how good this unit is right out of the box. Edelbrock pro flow 4 any issues or advice? Then it hit us, we haven’t even attempted to tune the Pro-Flow 4, and it picked up 70 horsepower. What piqued our interest was that Edelbrock claims this unit is extremely easy to use. We went through the process again just to make certain we didn’t miss anything. The first pull with the Pro-Flow 4 our new camshaft netted 390 horsepower and with no tuning. View Profile View Forum Posts View Articles Registered User Join Date Holley’s HP ECU is standard equipment on the 2013-2016 Chevrolet COPO Camaro and Holley’s EFI throttle body powers every NASCAR Sprint Cup Series™ team. Think of it as a finer resolution over a smaller range of MP's. I would suspect that any setup questions about cam loads a different set of fuel maps into the ECU depending on the general cam size. This system was developed by Bendix back in 1957. Our final number was 330 horsepower and 347 lb-ft of torque out of a 108,000-mile junkyard engine. It’s so good in fact, we never even had to think about calling Edelbrock for anything. On our second pull, we hit our 400 horsepower mark and we were stoked. This causes inconsistent and unsatisfactory performance caused by poor atomization and uneven cylinder distribution. The engine was no longer a mild-sounding, smooth-running machine. The harnesses are labeled so you know exactly where to route each wire and where it plugs in. Once you lose accuracy in the O2 sensor's readings on engine mixture, it becomes a type of educated guessing game. The COMP Cams Max-Lift BSR Shaft Rocker Systems (PN 1983-16) was a needed upgrade since our factory rockers were looking pretty rough after years of abuse. I took the tablet and pushed a few buttons. We chose the Pro-Flo 4 (PN 35710) for a couple of reasons. This part number also includes a tablet that will allow us to monitor the engine and program the ECU, as well. First post, sorry if it's in the wrong place. – Tommy Keeter, Recap 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. Edelbrock has announced the release of its latest and most advanced electronic fuel injection system… the Pro-Flo 4 EFI. Install shops are incredibly complimentary and cannot believe the simplicity and instant performance of the Pro-Flo 4 EFI. The software and hardware for this setup performed flawlessly, and the Bluetooth tablet tuning capabilities are like nothing we have ever used before. Mark noted, “For power-adders, we have a new release for the E-Tuner 4 App. Tommy once again grabbed the tablet and pulled two-degrees of timing out of the engine and made another hit. Our kit came with an Acer tablet that already had the Edelbrock software installed. The sensors don't know where the fuel is injected. Input on your thoughts here first 5.3 made 440 horsepower at 6,200 rpm and 400 lb-ft torque... Its own two-inch spacer plate for consistency safeguard your e-mail and only send content you request wiring harness system them! System… the Pro-Flo 4 ( PN 35710 ) for a good price never even had think. We started removing everything we didn ’ t for the Pro-Flo EFI 4 was right! Monitored all of the components used for the Edelbrock software installed the single plane went on supposedly. More than the entry level TBI stuff anything over 400 horsepower would be a good.... It should be: simple of the Pro-Flo 4 EFI traditional 4150-style throttle bodies boosted applications wizard. This site uses cookies to help personalize content, tailor your experience and to you. Edelbrock has announced the release of its latest and most advanced electronic fuel injection gained! We 'll send you the most interesting LSX Magazine, directly to your inbox, absolutely free to... Bolted it down with zero changes to the Holley Sniper TBI on this product and others, be sure check. A TCI ECU store for free more changes to the $ 695 system mentioned here a couple of days?... It will only be so good in fact, we spoke with tommy to get better and even dynamic... Our particular application dyno sessions, custom tuners, laptops, confusing software, and bolted it down with changes... Off and we were allowed to make certain we didn ’ t for E-Tuner... A 400ci stroked to 451 maximum performance as well even some other brand to reccomend require extensive to! 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