mercruiser fuel injection conversion kit

Perfect for street rods, muscle cars, off road trucks or nearly any carbureted vehicle. Free ground shipping regardless of order size! Charts & The included Genuine Bosch LSU 4.9 Wideband Oxygen Sensor provides real-time Fuel Map Learn! It turns out that the loading generated a propeller in the water is significantly different than wheels on pavement, so much so that the map has to be tuned differently. If this could be disabled it would be much better. This complete5.7L MPIenginepackage is designed to replace most1987 and laterMerCruiser 5.0L and 5.7L sterndrive engine applications. Why? Let him re-jet the carb (a wee bit on the fat side for safety) and reset the timing and try again. Make your vehicle faster and more powerful with premium-quality performance fuel system parts. The test run was great, they have never run so well even when they were new with carbs. Copyright 2019 IBOATS. Part #: 57EFIKIT. The Ordering process was so easy and non-painful. I will a. EFI System Pro had everything I needed for my EFI upgrade. Maintenance, Fiberglass & Epoxy I have also picked up another .5 gallons per hr to about 9.25 gph. Parts, Wash Down Maxum Owners Club: Mercury MerCruiser Service Manual. Hardin Marine can recalibrate your Mercury ECU (computer) to yield the very Protection, Dock Storage & Bilge Pumps, Shop Unit B i know there are problems with marine uses of auto electronics. Hitches, & Anchor Box Anchors, Fishing Rod & Reel Hello Chris,Ontario's boating season is about to launch for another year.Do you have any good news to add to your above article, any new marine friendly TBI products?In '08,I installed a Holley 21-700 TBI with the o2 mounted in the manifold to Holly specs. I myself will convert my 2 302's (Volvo Penta 5.0 l AQ231A) from carbs to EFI; I must find out everything before I start work on the engines, then I am satisfied to start. Charts & approved), High torque bottom mount starter (U.S.C.G. 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. You are using an out of date browser. High Back Reclining Helm Seat, Cabin and Riptide Terrova 80 Trolling Motor w/i-Pilot & Bluetooth, Inflatable Please call or email for an RMA #. Parts, Boat Tubing & Holley's Dominator and Caulking, Marine Engine Deals, Paint & Maintenance Lift the manifold off the top of the engine. just past points and carbs in my lifle lol, Re: can you change a mercruiser carb engine to fuel injection. For the most part each engine wants a bit of its own timing set-up IMHO, you boat owners with a 270HP 350 (or any other config) may want 350HP but upgrading it to that level will reduce or eliminate reliability. The optimum series is also equipped with OBDII diagnostics and allows you to further tune the programming to suit your needs such as modified engines and cam shafts. Systems, Marine Plumbing Hardware, Boat Seats by This engine package includes: We ship parts and engines worldwide! HP comes from torque and rpm and rpm breaks things and increases wear. I wanted to let you all know, I have modified a mercruiser Cool Fuel Gen 3 module(mounted on the engine) to provide fuel to a sniper. Grills, Boat Drink Maintenance, Pumps and All returns must have an RMA # and invoice #. Covers, Boat Wiring & Kits, Boat Trailer I will keep the in-line pump for a spare. Forums, Find The fuel pump question is the tough one. Only a few hours on the motor but so far so good. Holley Sniper EFI Self-Tuning Master Kit - Shiny, Black Ceramic or Classic Gold. Add to . Parts, Inflatable I have about 30 hrs on the unit and it just keeps getting smoother with every hr of run time. Thursday 9-5 Instruments, VHF Radios & Thanks for the heads up. Manufactured using the highest grade materials and the latest technology, they deliver the. Its unusual to find someone who knows so much, so eager to share and teach, and knows the products hes selling inside and out, willing to work endlessly with you to get exactly what you need (not his highest profit margin), and then work tirelessly to help you with problems. AN 80 lb/hr injectors (@ 43 PSI) Were there any other parts you realized you needed? Did you use the Holley fuel pump and have you had any issues with it? & Rollers, Boat Trailer Next step is to set your Target Air Fuel Ratio, that's what the ECU will use as a reference when learning and during all closed loop operation. Fasteners, Boat Windshield Fuel prices at the marina are usually about a dollar a gallon more than at the local Racetrac/Wawa/wherever, and even more if you wisely opt for ethanol-free fuel. I strongly recommend EFI System Pro. Shopping with Michigan Motorz is 100% secure! Stage 1 achieves only modest power increases such as 8-10 foot-pounds of torque and 8-10 horsepower. Calibration increases torque levels throughout the entire rpm curve while making more peak hp for increased speeds. Nice work. So there is at least some probability of success. Have engine apart and head checked and cleaned at machine shop. Sockets, Marine Electrical Trailer Winches, Shop Capability Range: Professional for Sale, Buy A Tubes, Shop Accessories, Electronic Navigation The new throttle response was significant,fuel saving and gave me a turn key cold start.Still I can't have an idle speed under load and a turn key warm start. Designated trademarks and brands are the property of their respective owners. *= No Sales Tax OUTSIDE the state of Michigan. Sadly, no. Install the new throttle position sensor at the recommended location on the intake manifold with the provided bolts. Finally, do you also recognize that the self-tuning feature of the Sniper EFI may not result in an acceptable configuration for your boat and, as such, may require you to seek professional tuning? Marble, Engine Manufactured my own throttle cable bracket adapter due to clearance issues with the sniper unit. Dock, Cabin and This 5.7L MPI engine includes a 5th generation ECM (MEFI 5 computer) that prevents the engine from overheating, provides 15%-30% better gas mileage, built-in engine rev limiter, and added horsepower and torque over the 5.7L carbureted version. Visit their website for more details. The optimum series is our new line of throttle body injection kits that retain the advantages of affordable fuel injections Legacy throttle body injection kit. Refunds will not be issued for damaged merchandise. Looking for a new engine, or need a Quote? Starters, Marine Solar Power I have also installed a sniper system on a 350 Mercruiser and was wondering if you have done any tuning on yours yet? he got one of those pigtails on ebay that simulates the signal from an oxygen sensor. Included clamp-on oxygen sensor kit ensures a leak free oxygen sensor installation, with Stainless Steel T-Bolt clamps and a Stainless Steel (Weldable) oxygen sensor flange. Fenders, Boat Trailer Does not alter fuel composition. Turning in the 13's you need to make sure your knock sensor is working. Packaging versions to cater to Gasoline, Diesel, and Marine markets. K&N clamp-on style filter element and high velocity air inlet adapter which 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! Install the fuel sensor from the kit into the threaded port on the manifold near the throttle body. I've been building a TBI system from GM parts to use on a 1987 Wellcraft with the Mercruiser 4 cylinder engine. Boats don't cruise at 60mph up and down hills. As always, your results may vary and batteries not included. Have you modified your stock Mercury EFI engine by adding high performance exhaust, a bigger cam, a high flow flame arrestor, oradded a supercharger? Accessories, Boat Lift Canopy With full PCM control, we can offer customers many different options for stock and modified engines. All, Anchor & (Battery +, Battery - , Switched Ignition & RPM), Internal fuel pressure regulator eliminates the hassle of plumbing an external fuel pressure regulator (Preset to 58.5 PSI), Integrated ignition timing control & coil driver. Distribution, ProMariner ProNautic Deals, Electronics Procedures vary with the year and model of the engine. Designed for all applications making up to 650 horsepower, the EZ-EFI Fuel System easily bolts onto any carbureted or multi-port application in a single afternoon, making it the easiest EFI system you will ever install. Manufacturer, Boat Tables & Mount the ECU module at one side of the engine compartment in proximity to the intake manifold on the engine. Most of Holley's EFI systems provide a Setup Wizard that builds a base configuration file that allows you to start the engine and operate the vehicle. Sealant, & Initially I was looking for the upgrade to a 4V holley 4175 carb, but this option has peaked my interest. Jacks, Boat Trailer Brakes & Opens in a new window or tab. Hardware, Marine Accessories, Big Jon Biminis, RV & Trailer All Packages over $175.00 will require Indirect Signature: FedEx obtains a signature from someone at the delivery address; from a neighbor, building manager or someone at a neighboring address; or the recipient can also leave a FedEx Door Tag authorizing the release of the package without anyone present, or you can sign up for FedEx Delivery Manager. It's a compact HP pump and cooler assembly. Everything about the fuel prime shot can be adjusted. "SS" Sport Series Tuning Kit For MerCruiser 454 & 502 Magnum MPI Engines. From there, the idea is that it will self-tune to the requirements of the engine. Tops, Bimini Top This Part has options, please click the button below to order. This application-specific kit is the best way to bring a classic to modern standard. Insurance, Boat Attach the new fuel line that connects between the pump and the new EFI throttle body. Fishing Lures, Fishing Rod Holders & Holders, Cabin Accessories & Time or RPM based Timing Retard and much more! Ideally I'd want the power plant running as efficiently as possible, but I'd sure like the benefit of EFI over carb. offer easy plug-and-play The Right Fit, Shop By Boat, Sell A Is this a viable upgrade for my boat? Tops, Bimini Top Platforms, Slide Be sure to disable autotune and remove the O2 sensor before it dies. Did we mention the Super Sniper also has full nitrous control built-in? Introducing Holley Super Sniper EFI! I'm using the NTK sensor. Terminal I had questions on the suggested "Marine O2 Sensor Adapter" from Howell EFI (https://howellefi.com/product/adaptor-o2-sensor-for-marine-use/), but when I look to the pictures, I understand how it will work. I have installed the Holley hp efi MPFI on my twin inboard mercruiser 350ci 270 hp. For special engine orders, shipping time is based on current stock and build time. Do you also recognize that the O2 sensor that is required for closed-loop operation will not survive in the "wet" manifold used by most marine engines, and that to install a device to protect the O2 sensor from this moisture may require the removal, machining, and replacement of the exhaust manifold? Some of the freight carriers we use are R&L Freight, Con-Way Freight, Estes Express, Pilot Air, USF Holland, Forward Air, Old Dominion, Overnight Express, Watkins, and Dayton Freight. Every Super Sniper EFI system also comes with a USB to CAN tuning cable, as well as free downloadable Sniper EFI Software to give you unlimited control of your engine. Will not work on the newer wide band O2 sensors with 6 pin plugs. Good luck! the motor has the following mods, Aluminum heads, Performer intake, Sniper and MSD ignition module. I am now awaiting my new Sniper Stealth 4150 to install on my 1968 Corvette 427. - NO laptop required! Tune the delay relay timing to just miss the prime shot.For cold starts, a simple push-button or switch "choke" override to power the relay during prime would provide it. I am in the middle of a repower of twin BBC 481, mild cam which will need to be recarbureted. I've got the Howell EFI adapter installed in the riser of some standard Inboard Manifolds and it works great. & Live Bait Drink Holders. I am just now ready to do the tuning this weekend. Contact Michigan Motorz of the potential damage. 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. Mount the EFI throttle body with fuel injector on the intake manifold. Trolling Motors, Shop The adapter does require the removal of the manifold and some machining but it allows the O2 sensor to be placed into the exhaust flow but protects it from the water exiting the block. Tables, Minn Kota Video, GPS Chartplotters & Right now I'm just using the AEM Wideband sensor to monitor Air/Fuel ratio but hope to use it in an EFI system soon. In Stock. -Which Pro-Flo 4 Kit fits this Motor? Greatest struggle is the shift interrupt. Holley Sniper 4 Barrel Fuel Injection Conversion - Self-Tuning Master Kit + Handheld EFI Monitor - Black Ceramic Finish Part # 550-511K 23 Reviews In Stock Free Shipping - Lower 48 US States Your Price $1,549.95 Suggested Retail $1,723.00 Add To Cart Add to Wish List Share Starting at $137 a month with Learn More 3 Emissions **MERCURY PARTS CAN ONLY BE SOLD AND SHIPPED TO ADDRESSES WITHIN THE UNITED STATES. Anybody got a good 270hp 350 tune yet?I installed sniper efi on my boat runs good but feel like the wot should be better need to get the sniper controlling spark is my thoughts the old thunderbolt is either not great or timing wasn't right when I bought the boat but she runs great I just think this engine has more in it then I'm getting out of it at this time any tuning and timing advice would be great considering I'm awesome with carb n hei diet but new to efi and boat timing curve but not an idiot so I say. Blocks, Marine Anyone ever converted a 1987 3.7L 4cyl Mercruiser engine to EFI. Connect the main leads from the ECU module to the corresponding positive and negative terminals on the block. For a better experience, please enable JavaScript in your browser before proceeding. Financing, Iboats Plumbing, Fresh Water Boat I installed it without O2 sensor, adjust on the fly. Savers, Boat Trailer Guides & - Do you know of a Carburetor Builder who has addressed the Coast Guard certification issues with the Sniper EFI? Supports up to 650hp with Four 100 Lb/Hr Injectors! USCG approval is certainly worth careful consideration, as being on a boat that catches on fire is even more serious than being in a car that catches on fire. I ditched the finicky Quadrajet on my 5.7 for a Holley Sniper EFI kit. PMO 3 Barrel Throttle Bodies and Kits for 911; BMW 2002-320i M10 engine single sidedraft dcoe . Let me know how I can be of assistance. Biminis, View I will be calling around to see if I can find someone to help that has experience. But this also makes me wonder what you did for the O2 sensor. Supplies, Boston Whaler, 1972-1993, Winches, Boat Motor Supports & Brand New. Products, Carbon Monoxide & Cushions, Lexington Put an end to cold start issues, hesitations, vapor lock, and flooding. Making Sniper EFI the perfect choice for carburetor to marine fuel injection conversions! Kits, Seadog Stainless Steel Cup However, overcoming that whole idle/off-idle transition (mentioned above) is going to be the challenge. You really want a bigger engine. (see link). Holders, Cabin Accessories & Battery Charger, Marine Audio & That's right, no need for a separate nitrous controller! All rights reserved. Q1. Plumbing, Anchor Will I be able to run both systems off of one fuel pump? You have to one big hole in the riser, then you reach the cooling water, and one little hole in the next part of metal: now you reach the exhaust gasses. FAST EZ-EFI Marine Base Kit Fuel Injection Systems. Hardware, Boat Seats by Holley Sniper EFI Self-Tuning Kit - Shiny, Black Ceramic or Classic Gold. Fuel Injection System, Pro-Flo 4, Self-Learning, Sequential Multi-Port, Satin, 825 HP Max, 1965 and Later BB Chevy Large Oval Port, Kit Part Number: EDL-35840 ( 1 ) Estimated Ship Date: Monday 5/1/2023 Free Shipping $2,495.95 Add To Cart Compare Wish List FiTech Ultra Ram EFI 800 HP Self-Tuning Fuel Injection Systems 38302 As a follow up, I ended up using an eBay type anti fouler elbow for the O2 sensor to try and get it out of the water in the manifolds. Detectors, Binoculars & But you have to get it tuned. I've installed several of these adaptive EFI's on cars with great success. A claim will be filed and we will send out the identical part. Was in marine engineering for years. This boat has a non-vortech motor with a 2 bbl gm intake i'll need to replace. Switches, Shore Power & AC All returns must have an, 5.7L Vortec base marine engine (standard rotation) NEW, Multi-port fuel injection intake manifold, Stainless-steel flexible fuel lines (U.S.C.G. Self-tunes while you drive. PS, Once someone has a good 270/350 tune, everyone can use it. 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. Jacks, Boat Trailer Brakes & Ropes, Boat 4 Barrel Fuel Injection Conversion - Self-Tuning Kit + Handheld EFI Monitor - Black Ceramic Finish. 30K views 5 years ago Turn your carburetor-containing engine into a fuel injection engine, increasing fuel economy and ease to start your engine. Will I be able to control my ignition timing with the Sniper? Tackle Boxes, Fishing Bait & 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. Accessories, PWC Parts & *Shipping charges are non-refundable* Engine orders will be processed and shipped within 24-48 hours after payment-in-full is received. This kit includes Vinyl, Floating Boat hi, jim here its a 1980 vintage 898 alpha setup in a marlin. Even if you are the sort to sort of shrug off safety regulation, consider that if there is an accident that results in a loss and an investigation, failure to follow applicable USCG regulation could result in either financial or legal liability, not to mention the rejection of insurance claims. Contact Michigan Motorz of the potential damage. Deals, Electrical your boats Gel Coat Match, Shop In the end I ended up using a Fuel Control cell made by Pleasure Craft Marine for their 351W engines. If parts are damaged in shipment and the customer does not notice damage, please call Michigan Motorz LLC. Fuel Tank Conversion Kits. :-), I started using OMC and Volvo Penta pumps for my conversion. Kits, Seadog Stainless Steel Cup JavaScript is disabled. All oil & lubricating fluids are drained before they are sent out (this is required by our freight carriers). For this you need a system that can be fully programmed to the extent of the Holley ECU's capability. You need to intimately know the system you are using, its capabilities and limitations, install it correctly and have it tuned with someone with experience specific to marine applications. Lighting, Marine Teak Some shipments to and from certain locations may require additional time in transit. for Sale, Buy A The adapter will be fastened in both metal parts so that no water will reach the O2 sensor. Towers, Tow Ropes & Biminis, Paint and 950 CFM Throttle Body with CFD computer designed venturi taken from Holley's NASCAR throttle body. Oars, Wakeboard, Wakesurf & Platforms, Slide Deals, Electrical Deals, Trailering Fast XFI 2.0 Electronic Fuel Injection Kit. Be sure to wire your fuel pump in accordance with SAE J1171 which requires the fuel pump to be wired through the oil pressure sensor so it won't prime unless the engine is cranking. 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.

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