Electronic fuel injection delivers a fuel and air mixture to the engine with more efficiency than carburetor fuel systems. It does this every time..when you start a warmed up engine, its too rich and starts poorly without throttle. Login, Boats For special engine orders, shipping time is based on current stock and build time. The fuel pump question is the tough one. If you find that please let us know. OEM Style TPS/IAC and Fuel Pressure regulator, for years of dependable service. Maintenance, Boat Cleaners & & Live Bait Only works with the 4 pin plug switching style O2 sensors. However, overcoming that whole idle/off-idle transition (mentioned above) is going to be the challenge. & Price Point: $$$. JavaScript is disabled. . What I don't want to do is spend more money on the headers than on the fuel injection upgrade and new propeller set. As always, your results may vary and batteries not included. Biminis, View & Marine Battery Chargers, Shop Professionals. i know there are problems. Vinyl, Floating Boat plumbing fitting kit. If you're not running one (or if you are and the water has killed it) then it is not surprising that you are running rich. Put an end to cold start issues, hesitations, vapor lock, and flooding. While those work great on an automobile, you likely won't begin to get these marine installations setup with a handheld. Hardware, Boat Opens in a new window or tab. Deals, Camping & RV Shop Main Menu SHOP LOGIN CREATE Acessories, Fishing Outriggers & Zincs, Generator 4 Cyl Universal throttle body fuel injection kits available. Sockets, Marine Electrical Thanks for the heads up. Fortunately, it turns out there are some options. Guide, Boat Transom I would back-burner the ignition control questions until you get the fuel injection working. Software, Digital Idle and off-idle performance (particularly as the engine goes into gear.) I am in the middle of a repower of twin BBC 481, mild cam which will need to be recarbureted. Biminis, RV & Trailer Battery Charger, Marine Audio & Have to replace head gasket. EFI System - 5.7L Vortec Engine (#57EFIKIT) | PerfProTech.com I have not had it on the dyno with the sniper, but would guess probably about 400 to 410 hp and well over 500 tq.I did use the holley pump that came with the sniper. All rights reserved. Software, Digital Now, Shop Terminator EFI 4bbl TBI Kits - Holley Performance Products Covers, Boat Wiring & Disconnect the throttle linkage and the fuel line from the carburetor. Jacks, Boat Trailer Brakes & Three Programmable 0-5V Sensor Inputs for Oil/Fuel/Dome or Nitrous Pressure Sensors, One +5v Reference Output - +5V Power Supply for 0-5v Sensors, One Sensor Ground Ground supply for 0-5v Sensors. Kits include a port-injection-specific Holley intake manifold, distributor, computer, fuel pump, wiring harness and MAP sensor, as well as the rail-mounted fuel injectors and pressure regulator. Mercury Marine Mercruiser Quicksilver Mechanical Fuel Pump Assembly OEM 861677T $280.95 $10.00 shipping MERCRUISER 7.4 LITRE 454 Fuel Rail Assembly Harness Injectors Regulator 17098209 $388.00 $24.50 shipping or Best Offer MerCruiser 47587A2 53509 Thermostat Housing 120hp 140hp 165hp 3.0L 2.5L 1969-98 $70.00 $11.85 shipping he got one of those pigtails on ebay that simulates the signal from an oxygen sensor. FedEx cannot ship to P.O. The problem is with the Holley computer when you turn on the keyit squirts a prime for a split second. Harware, Marine Nuts, Bolts, & Greatest struggle is the shift interrupt. Reconnect the throttle linkage to the throttle body. Step 1 Remove the engine cover. Kits, Seadog Stainless Steel Cup I think installing a wide band O2 sensor in the manifold(s) is a great idea. Please call or email for an RMA #. No refunds for electronic parts if the box is opened. An update from Al:After installing them I used the auto tune program on the Holly HP V4 software and they are working great. Ventilation, Interior & Cabin For the best experience on our site, be sure to turn on Javascript in your browser. Winches, Boat Motor Supports & can i use efi off a truck or switch to another injection system. Free ground shipping regardless of order size! Accessories, Marine DC Power Plugs Anyone ever converted a 1987 3.7L 4cyl Mercruiser engine to EFI. All prices and descriptions on this site are subject to change without notice. Caulking, Marine Engine CHEVROLET 7.4L/454 Fuel Injection Systems - Summit Racing In the end I ended up using a Fuel Control cell made by Pleasure Craft Marine for their 351W engines. It only runs rich on start up for a second due to the prime, after start it runs great. Yeah, it may sound hokey to some, but is just one option to solve the issue where you are and with what you have. Disconnect the cables from the battery and the ground on the engine block. Will not work on the newer wide band O2 sensors with 6 pin plugs. Meters, Marine Electrical Panels Top End Performance - Genuine Weber Redline Mercruiser and Volvo Penta In the case of the car, you can generally get out and walk (run?) transmission control and more. Our Mercruiser 4.3 runs (kind of) after sitting for 18 years? Parts, Sacrificial Anodes & Any questions please don't hesitate to ask, I can't be happier with the results my boat has never run this smooth. Ropes, Boat Perfect for testing a replacement performance or racing only non-O2 based exhaust system with a header system to obtain peak engine performance data. Maintenance, Pumps and I do believe that the Holley EFI ECU's have the capability to be programmed to work in this application, but have not yet found anyone who has tackled this task and been fully successful.If you (or anyone else) does make some progress on this, please reply here and let us know what works. Self-tunes while you drive. When problem-solving this type of issue, consider when and how you could use a work-around. Self-tuning ECU means you don't have to be a computer/tuning wiz to have EFI! Capability Range: Advanced Bullet Skimmer, Paint and 3L packaging - Treats up to 30 gallons of fuel. Acessories, Fish Cleaning Insurance, Boat Turn on the fuel supply valve at the fuel tank. The adapter will be fastened in both metal parts so that no water will reach the O2 sensor. Grills, Boat Drink Pros Port injection delivers precise fuel mixture for optimal performance Compatible with ignition control. Charts & Drive By Wire Throttle Bodies, Mount And Adpters. Accessories, Boat Lift Canopy Forums, Find Mount the EFI throttle body with fuel injector on the intake manifold. For items received as described, a refund of the final invoice price (minus shipping and handling charges and a 15% restocking fee) will be issued. The new Exhaust manifolds will have wideband O2 bungs for tuning. HP comes from torque and rpm and rpm breaks things and increases wear. Holley's Dominator and Boat Rescue: Part 3 Racer X Garage 26K views 1 year ago Holley Sniper Marine EFI Boat Install bigbossjrmang 15K views 1 year ago How. Bilge Pumps, Shop This kit is an excellent choice for those just beginning performance Accessories, Marine Electrical Holley BILLET 95mm LS Throttle Body w/low RPM Taper 112-585. Not always the case with a boat. Manufacturer Part Number: 852956A1;Interchange Part Number: 17104288, 3855182; SET of TWO Factory Remanufactured TBI Fuel Injectors for MerCruiser 4.3L V6 - 305 5.0L & 350 5.7L ; . Sockets, Marine Electrical Holley Sniper EFI Self-Tuning Kit - Black Ceramic Finish Biminis, Paint and Replace the cover. No refunds for electronic parts if the box is opened. Then operate open loop with a fuel map\Timing curve.I am interested in the capabilities of the Sniper product (4 injector) in a Marine application.. Login, Boats All of necessary components to required to This complete5.7L MPIenginepackage is designed to replace most1987 and laterMerCruiser 5.0L and 5.7L sterndrive engine applications. For this you need a system that can be fully programmed to the extent of the Holley ECU's capability. Get the best deals for 454 mercruiser fuel injection kit at eBay.com. For a shipping quote, please email sales@michiganmotorz.com or call (248) 524-9600 with your shipping address and contact information. approved), Engine wire harness with universal 10-pin plug, Dipstick tube, dipstick, and EZ oil drain hose, MPI diagnostic tool available from Diacom at an additional, discounted price -. *Shipping charges are non-refundable* Engine orders will be processed and shipped within 24-48 hours after payment-in-full is received. Assuming that your current ignition works well with the marine carburetors it will continue to work well with the Sniper EFI System. If you're thinking that you've read everything above and are ready to toss the carb on your marine engine then take this handy quiz to make sure! Cushions, Lexington Cable, Marine Batteries & Holley just brought EFI within range! Holders, Cabin Accessories & Maxum Owners Club: Mercury MerCruiser Service Manual. Fasteners, Boat Windshield Add to Cart . Since your existing low-pressure fuel system is not going to work with the Sniper EFI System this puts you in the unenviable position of choosing between USCG compliance or EFI. & Rings, Prop Nut Kits & EFI Conversion Kit - Fuel Injection Kits for Old Cars - Eastwood And who can blame them? Tops, Bimini Top Part #: 57EFIKIT. Boat Gel Coat - Spectrum Color, Pumps and approved), Hi and low-pressure electric fuel pumps (U.S.C.G. Dock, Cabin and Nice work. PS, Once someone has a good 270/350 tune, everyone can use it. I recognize that it would be an absolutely tremendous investment, but based on the overwhelming response we get to this post I am pretty confident that the market is there. In this case, the prime shot is good for cold, but too much for warm. Ventilation, Interior & Cabin Detectors, Binoculars & of your factory ECU in . Hey, thought I would share some info on my latest project. Rough total including a couple pipe fitting adapters I had to source for the temp sensor and the fuel system, $1700. Then having an experienced tech from a local dyno speed shop ride in the boat as you run the power up and down, making notes. All oil & lubricating fluids are drained before they are sent out (this is required by our freight carriers). Capability Range: Advanced This kit include re-programming of your factory ECU in which we will modify both the fuel and spark curves as well as increasing your rev limiter and injector timing to 5400 RPM. I used a healthy 13.4 at idle, 13.7 at cruise, and 13.0 under wot. This kit includes the "SS" Sport Series flame arrestor that utilizes a clamp-on style K&N element with our high velocity style air inlet. Fenders, Boat Trailer Good luck! Breakers, Power Packs & Jump Copyright 2019 IBOATS. It looks like another season has come and passed by without the answer you wanted on this.I am impressed that you made the leap into marine fuel injection but you have experienced the same problem that everyone else who has tried this has faced. Refunds will not be issued for damaged merchandise. Hardware, Boat Seat Accessories, Boat The "Service AFTER the Sale" is why I came to EFI SYSTEM PRO, getting a system working with great support makes for a better installation and happy customers! To address this you need to open the base configuration in the Sniper software (free download from Holley), navigate to the coolant temperature enrichment table and adjust the enrichment down to 100% from 120 degrees and up. Boarding, Paddles &
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