mercruiser fuel injection conversion kit

Holleys system is self-learning, and learning starts when the engine is near full operating temperature. Manufacturer, Boat Tables & Are you holding your RPMs back with the MSD for some reason? Locks, Boat Deck Self-tuning ECU means you don't have to be a computer/tuning wiz to have EFI! Cable, Marine Batteries & Biminis, RV & Trailer 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. Please call or email for an RMA #. 16 Reviews. Step 1 Remove the engine cover. 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. 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. 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. You are using an out of date browser. Switches, Shore Power & AC On a side note: Im getting 4200 rpms at 5000 elevation with stock heads. Hi all, i'm contemplating doing a sniper quadrajet swap onto my volvo penta 5.7 GL 2bbl holley motor in my 1997 cobalt 200 with the DP-S outdrive. . Insurance, Boat for Sale, Buy A 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. Original bulletin was from July, 1997. Starters, Marine Solar Power Yes, this is going to be an added expense, however, it will help guarantee your success. I'll let you know how it works out. & Dock, Anchor Chains & ***Results will vary depending on boat design, propping, atmospheric conditions, environment and drivers. Many contemporary MerCruiser engines employ electronic fuel injection, or EFI, that takes the place of carburetors used on older engines. 3.0L Mercury/Volvo Optimum Marine series TBI kit Attach the new manifold to the cylinder head with the saved bolts that you torque according to procedures in the service manual. If he doesn't show this will be closed as it's been idle for 6 months. Connect the main leads from the ECU module to the corresponding positive and negative terminals on the block. Deals, Dealer added a supercharger? 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. Systems, Lowrance Hook2-4 GPS Sorry for the late reply. of your factory ECU in . Kits, Seadog Stainless Steel Cup 4-barrel carburetor to fuel injection conversion kits for 250-600 HP V8 engines. Breakers, Power Packs & Jump Tubes, Shop Hardware, Boat I got the TBI unit and distributor from a 92 Chevy 1500 truck that had a 5.7 TBI engine in it. We have a great online selection at the lowest prices with Fast & Free shipping on many items! 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. Accessories, Pontoon Bimini Its the Holley Pro Jection TBI mentioned by the above poster. AFI is proud to introduce our new line of Throttle body fuel injection kits 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. make this system functional and reliable. Supplies, Boston Whaler, 1972-1993, most of your engines power The ECU precisely controls fuel requirements, HP comes from torque and rpm and rpm breaks things and increases wear. Free Shipping - Lower 48 US States . Reconnect the battery lead and the ground. All, Anchor & Towers, Tow Ropes & Add to Cart . Find out more here. John. You never mentioned upgrading your fuel pump. Holley just brought EFI within range introducing Sniper EFI master kits! Is this a viable upgrade for my boat? I have a boat with twin 3.7 Mercruisers. The components consist of a throttle body, intake manifold, ECU module and sensors. Tables, Minn Kota Boat, Sell A If you find that please let us know. - NO laptop required! If you need help finding parts, please look at our OEM Parts Lookup tab.It has been a pleasure serving our local customers face-to-face but currently, our PARTS business is moving to strictly online orders. Deals, Paint & Maintenance Deals, Pumps & Plumbing Deals, Electrical Nice work. Sealant, & Parts, Inflatable The new Exhaust manifolds will have wideband O2 bungs for tuning. Refunds will not be issued for damaged merchandise. From there, the idea is that it will self-tune to the requirements of the engine. Install the new throttle position sensor at the recommended location on the intake manifold with the provided bolts. late-model V8 engine swaps. Helm Seats, Shop 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! Do you want quicker acceleration, faster planing, and increased performance of up to 15 HP? As of Oct. 28th, 2022, we have transitioned to ONLINE Business. Platforms, Slide Cushions, Lexington Deals, Boat Seats *** We Do not offer any outboard tuning options***, Computer Re-Calibration & Monitoring (ECU) - Supercharged Engines, ECM 555 Computer Re-Calibration & Monitoring (ECU) - 496 Mag and HO, 525 Non Supercharged Engines. Is this a tbi system presumably? It would cost considerably more but a second option that would have added performance benefits would be to switch to a dry manifld such as the headers available from Custom Marine, Inc. Locks, Boat Deck Did you mount the screen? Will I be able to control my ignition timing with the Sniper? Accessories, Boat Add to Cart. PS, Once someone has a good 270/350 tune, everyone can use it. Engines are then inspected by our shipping manager before they are loaded onto a freight carrier. Ropes, Boat Holley Sniper EFI Self-Tuning Master Kit - Shiny, Black Ceramic or Classic Gold. Any word on this? Deals, Paint & Maintenance Harware, Marine Nuts, Bolts, & If so, the "SS" Super Sport tuning kit for your MerCruiser Magnum MPI engine is what you need. Looking to convert your blow thru carbureted turbo engine to EFI?Look no further than Holley for the Super Sniper 4150 EFI systems featuring 8, 100LB/HR Fuel Injectors capable of supporting up to 1250 HP on forced induction or dry nitrous applications. Record actual static fuel pressure to later enter in the EFI parameters this allows the ECU to accurately calculate the injector pulse width. Bilge Pump, Tires, Rims, & Hub Protection, Dock Storage & Remove and save the intake manifold bolts. Introducing Sniper EFI! Dollies, SportsStuff Great Big he first ran it with the oxygen sensors disconnected and thought the dummy sensors would further help his fuel consumption, it didn't really do anything. This engine is rated at 325hp and is set up for MerCruiser sterndrive applications. Hardware, Boat Trailer Winches, Shop Trolling Motors, Shop Shelters, Boat it's still working fine as of now. Capability Range: Advanced 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.. I installed one also on mercruiser 260 hp. Any questions please don't hesitate to ask, I can't be happier with the results my boat has never run this smooth. Telescopes, Covers and You really want a bigger engine. Packaging versions to cater to Gasoline, Diesel, and Marine markets. 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. Fuel Tank Conversion Kits. It just means that if you are thinking you'll install this, crank it, and pull away from the dock with complete success you might be in for some disappointment. The problem is with the Holley computer when you turn on the keyit squirts a prime for a split second. Furniture, Boat Seat Pedestals & Connect the new fuel line from the fuel pump to the fitting on the injector. Has anyone used any of these kits? Pumps, Livewell Aerator Pumps the Hamilton 212 pump is maxed out at about 4600 rpms, however it will provide about 10x the thrust that the berkly it is not as fast but haul much more load and work way better in white water. No problem, Holley also offers a 650 HP four injector version for lower horsepower applications with a power adder or someone just needing additional sensor inputs. 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. Deals, Pumps & Plumbing Replace the cover. Manufacturer, Boat Tables & Software, Digital Covers, Boat Shrink Wrap Even though you now have the USCG-approved Sniper EFI System as an option for your new EFI System you're not quite out of the woods yet. Remove the cover. Thanks for the compliment--we look forward to your feedback! The adapter will be fastened in both metal parts so that no water will reach the O2 sensor. Boats don't cruise at 60mph up and down hills. Grills, Boat Drink HP ECU's. I've been building a TBI system from GM parts to use on a 1987 Wellcraft with the Mercruiser 4 cylinder engine. Zincs, Generator Rollers, Boat Trailer Price Point: $$$. I have about 30 hrs on the unit and it just keeps getting smoother with every hr of run time. approved), Hi and low-pressure electric fuel pumps (U.S.C.G. Switches, Shore Power & AC Everything about the fuel prime shot can be adjusted. Pumps, Marine Pump Replacement Attach the original air cleaner/spark arrestor at the throttle body using the provided adapter fitting and bolts. Locate the engines electrical block at one side of the engine compartment. Products, Carbon Monoxide & *Shipping charges are non-refundable* Engine orders will be processed and shipped within 24-48 hours after payment-in-full is received. When the Sniper EFI System received USCG approval at the end of 2018 this presented some hope for boat owners. Fenders, Boat Trailer Tops, Bimini Top Im almost at your exact same setup on a Redline 460/Berkeley pump but waiting to pull the trigger on the Sniper until I can pinpoint exactly where I can install the o2 sensor without the wet exhaust damaging it. so far so good love the smooth power and easy starts. Engines are packed in specially designed crates made for that engine**. CHEVROLET 4.3L/262 Fuel Injection Systems - Free Shipping on Orders Over $109 at Summit Racing Wish List Gifts, Clothing, & More Restoration Stock Replacement Late Model Muscle Tools Circle Track Street Rod Powersports Paint & Body Marine Jr Dragster Shop Departments Books/Videos/Software Brake Systems Chassis & Suspension Chassis & Suspension Biminis, View Certified to ISO 8846, SAE J1171 & United States Coast Guard Requirements for Ignition Protection & Fire Resistance. PFDs, Roof Racks, Carriers, Parts, Rule 1500 GPH Automatic - Do you know of a Carburetor Builder who has addressed the Coast Guard certification issues with the Sniper EFI? & Looking to convert your blow thru carbureted turbo engine to EFI? & Hardin Marine - EFI Upgrade Kits adjustments from 25 to 65 PSI. Disconnect the cables from the battery and the ground on the engine block. Covers, Boat Cover A Flame Arrestor is REQUIRED for marine installations, such as part number, 720 . Forums, Find 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. I have twin 502 factory fuel injected Mercs and want to go to adaptive EFI. 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. Chevy Truck TBI To EFI Conversion - MotorTrend Previously, none of Holley's throttle body injection (TBI) systems, such as the Terminator EFI were USCG approved (even though the HP and Dominaor ECU's themselves are.) Ref: https://www.holley.com/products/fuel_systems/fuel_injection/sniper_efi/I heard of the new Sniper EFI from some chatter on OffshoreOnly.com. The Ordering process was so easy and non-painful. Thanks. Rated at an operating constant temperature of 230F and fully waterproof You now have the option to mount the ECM almost anywhere. Greatest struggle is the shift interrupt. 620-75305 "SS" Sport Series Tuning Kit For MerCruiser 454 & 502 Magnum MPI Engines . FAST's EZ-EFI Self-Tuning Fuel Injection Kits are the worlds simplest fuel injection system on the market today. Now that you have the basics tuned in and ready for marine use, you can upload that base tune to the ECU manually using the supplied SD card and fire that baby up! & Circuit Honda 5hp Outboard, Boat Downs, Couplers, Mounts, Biminis, Paint and I will be calling around to see if I can find someone to help that has experience. In the photos you can see a fuel pump mounted on the bulkhead just in front of the fuel tank (between fuel tank and engine), not sure if this comes with the sniper kit or not. Increased acceleration with increased torque output. Maintenance, Boat Cleaners & Holley Super Sniper 650 EFI Self-Tuning Kit - Shiny, Black Ceramic or Classic Gold. A claim will be filed and we will send out the identical part. engine Allow approximately 4-7 days turn around time. Winches, Boat Motor Supports & As always, your results may vary and batteries not included. Top End Performance - Genuine Weber Redline Mercruiser and Volvo Penta This Part has options, please click the button below to order. NOTE: You will need to send us your ECU with thisquestionnairefor re-calibration. Rafts, Paddle Price Point: $$, Robust, feature-rich Fortunately, it turns out there are some options. Initially I was looking for the upgrade to a 4V holley 4175 carb, but this option has peaked my interest. approved), Oil pressure switch, oil sending unit, knock sensor, misc sensors, Electronic ignition (Electronic distributor w/coil spark plugs, plug wires, etc. Lighting, Marine Teak Boat Gel Coat - Spectrum Color, Pumps and 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. All returns must be made within 15 days of delivery to you. Motors, Fishing Downriggers & If you have an existing 5.0L or 5.7L MerCruiser sterndrive (Alpha One or Bravo outdrive), thenthis package will work in your boat. I think installing a wide band O2 sensor in the manifold(s) is a great idea. Turn on the ignition switch and allow the fuel pump to operate as it fills the fuel system lines. Brand New. This boat has a non-vortech motor with a 2 bbl gm intake i'll need to replace. Ski, Wakeboard Fishing Lures, Fishing Rod Holders & Free ground shipping regardless of order size! If you've done some automotive fuel map tuning before, you can likely overcome this challenge. 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. Because the fuel maps are built on a speed-density (ie, engine RPM versus manifold air pressure) fueling strategy. Blocks, Marine Opens in a new window or tab. Boats, Propeller Parts & 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. Turn on the fuel supply valve at the fuel tank. Accessories, Big Jon Parts, Sacrificial Anodes & PRICE: $2,590.00. Bullet Skimmer, Paint and Items sent overseas are sent via FedEx international, or air freight (depending on item weight). i'm not aware of a universal aftermarket EFI fuel pump kit that is USCG approved. Accessories, Marine DC Power Plugs Most of you only need to tune 4 points, idling around the marina, part throttle - pulling the rope tight, 1/2-3/4 throttle - cruise, and YeeHaa - WOT. Parts, Wash Down Remove the engine cover. Only a few hours on the motor but so far so good. Perfect for street rods, muscle cars, off road trucks or nearly any carbureted vehicle. Bilge Pumps, Shop The first thing to consider here (if you are in the USA) is US Coast Guard (USCG) Safety Approval. Covers, Other Having selecting USCG-approved components, and sourced your O2 sensor adapter, there is but one more challenge--tuning. Video, GPS Chartplotters & AN Q2. All I can say is it made a completely different motor out of the 460, 39 degrees out and starts within 2 revolutions power is super smooth throughout the rpm range (idle to 4100rpms 212 Hamilton with 4.0 turbo impeller) has about 6 hrs of learn time. Accessories, Boat I've got the Howell EFI adapter installed in the riser of some standard Inboard Manifolds and it works great. GPS Chartplotter and Fish Finder Combo, Find Fits: 1996 and up GM 5.0 and 5.7L Vortec engines. the motor has the following mods, Aluminum heads, Performer intake, Sniper and MSD ignition module. My boat is still in winter storage. Storage There are drawbacks to that (as your tuner can explain in more detail) but it is doable, provided the system is correctly tuned initially. Tables, Minn Kota Lowers total hydrocarbon emissions by . Hardware, Boat Seats by Whether its the Stage 1 and 2 packages or custom calibrations for your application, we can easily handle it with incredible accuracy and a ultra fast turn-around time. When problem-solving this type of issue, consider when and how you could use a work-around. i know there are problems. Products, Carbon Monoxide & Making Sniper EFI the perfect choice for carburetor to marine fuel injection conversions!
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