The ingested air mass is simply the reading taken by the mass air meter. They will have an entire team of calibrators spend about six months mapping out a specific combination of engine parts in a controlled environment on an engine dyno. 351W Ford Small Block V8, Fuel Injection Systems He bought a FI Nautique and is now very happy. You can buy a WM system that comes with its own controller. You can leave the calibration (or tune) alone and get your numbers. I've heard that automotive pumps do not perform well in boats. Now they need something to pull it all together and make it run smoothly and reliably. All provided in a package so easy to use, most anyone can become their own tuner. The base system i am using is far above the HP rating of a 351W. What do you have to do to make it start when it acts up? Given that those things are dictated entirely by air/fuel ratio and spark advance, shouldn't you buy an engine management system that will do those things properly? Advanced OBD II diagnostics and fail-safe features make this absolutely the best water/methanol control system in the business. Fuel Injection Kits & EFI Systems | Holley Performance Products The injectors are sized to allow ample room for large increases in horsepower. Yeah, definitely keep us posted. That is a sweet O2 adapter! This EEC V system has a great deal of emission control devices and is difficult to work with in an EFI conversion. FAST EZ-EFI Self-Tuning Fuel Injection Kits - JEGS Ford 351W Marine Electronic Distributor | Pertronix D231800 FREE Ground Shipping on Orders over $100! Use your Summit Racing SpeedCard today, and get 10% back - Get Details! I had great performance with the PF1 but this new system was so much better. No external controller needed. The fuel rails and individual injectors provide such smooth drivability and effortless, instantaneous cold startup. or not do any skiing at 36 mph? About Holley That sensor mount looks like they used a spud washer assembly off a urinal! Self-protecting PCM. I am often asked Why do so many of the OEM auto manufacturers use Speed Density. 2) Speed Density as it is used in OEM applications. Compare the initial cost of our system to any of the decent ones out there and you'll see it is about the same. Closed Loop means the PCM is monitoring a particular engine variable and comparing it to the desired target. The PCM constantly monitors actual idle speed, compares it to the target idle speed, then uses both the idle air control valve and spark advance until actual and target match under any condition. If you used theirs, any problems with the fact that it was not a marine unit? This design delivers the fuel into the air flow stream in the plenum similar to a carburetor. What is your Rear Differential Gear Ratio? For the best experience on our site, be sure to turn on Javascript in your browser. Oxford, MI. Though this may sound complex, engine management is not as complicated as you may think. I would like to see at least 10% in fuel savings, also would have better starting, idle and low end throttle response. If you want to know what the temperature is inside your house, which of these methods would you choose? That said, the OEM level OBD II diagnostics of the Pro-M EFI system will help you to iron those out. How big of a pain is this process and where do I start? Understand that spark advance is half the battle, and all you can do is guess. Also consider the time and money youll spend trying to get it to run properly. Took it testing to Johnson Valley Ca. Operates GM engines with or without ECM controlled ignition. Jumbo aluminum fuel rails and mounts. dba Summit Racing Equipment | Trademarks, Everything You Need for Anything You Drive. do you idle every where ? The other efi/ tb efi systems from the marinizers don't appear any different than the automotive ones other than a flame arrestor. Ford Fuel Injection Aftermarket EFI Computers Like the author of the comparison article said, "the answer depends on what you want for your car. Our universal fit harnesses are preassembled, but configurable for use in most any vehicle. You can even add a supercharger, or a turbocharger and this rule still applies. Traction control. Don't confuse Self-Learning with Self-Tuning, which is what many manufacturers call it. Engine), Big Block Chevy 454 / 502, 7.4L / 8.2L Exhaust Systems, Big Block Chevy Mercruiser 496 / 8.1L / 8.2L Exhaust Systems, Big Block Chevy Mercruiser 525 / 600 / 700 Exhaust Systems, Big Block Ford 429 / 460, 7.0L / 7.5L Exhaust Systems, Small Block Chevy 305 / 350 / 377, 5.0L / 5.7L, 6.2L Exhaust Systems, Small Block Ford 302 / 351, 5.0L / 5.8L Exhaust Systems, 5.8L Ford V8 S.B. Speed Density offers you nothing to use to come up with proper spark advance values. Affordable Fuel Injection (AFI) was founded in 1997 with one goal in mind: offer fuel injection systems that allow superior performance to traditional carburetor systems, for a variety of applications, and make it affordable. Pro-Flo 4 Electronic Fuel Injection also gives you the ultimate control of your engine when using the Advanced Tuning features. Click here to access our. Exceptions apply - see details. I highly recommend Edelbrock Pro Flo 4 EFI., Decided to up grade my Fuel injection system with Edelbrock Pro 4 EFI. 81nautique's are slick too. There is much more to it than this, but for the purpose of this article, this explanation will suffice. Yes. The OEM method for using Speed Density is obviously not practical in the aftermarket since every engine will be different. No, we're not talking about the throttle body stuff. Mixing fuel this way allows for it to puddle and condense in the plenum of the intake manifold, a recipe for hard cold starts. You'll have to work thru picking the right size engine and a few more selections after that to come up with a price that doesn't seem to bad depending on how much you want fuel injection.

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