In theory, a sniper unit could function below 100rpm. Patent Number - US10294902B2. I think installing a wide band O2 sensor in the manifold(s) is a great idea. Capability Range: Professional Supplies, Boston Whaler, 1972-1993, My question is where do I install the coolant sensor? 2023 Holley Performance Products, Inc. All Rights Reserved. Cant wait to install the controlled ignition. I've got to have that for insurance purposes. Like many others, EFI System Pro allowed me to dial a new Holley Sniper. No insult intended to any of the techseach one seemed more than willing to make sure my problem was solved and that I was satisfied. - NO laptop required! Self-tuning ECU means you don't have to be a computer/tuning wiz to have EFI! Kits, Seadog Stainless Steel Cup Whether that involves swapping in a completely new engine, such as GMs LS or Fords Coyote, or simply adding an aftermarket fuel injection system like Holleys Sniper to your classic project, fuel injection has become as prevalent as the carburetor. Otherwise I have to check for a place in my gasoline tank to put the lines in. One concern we had before installing the Sniper Retrofit pump was the cylindrical shape of our tank. Helm Seats, Shop By Trent M on February 26, 2018 | Verified Owner. i'm not aware of a universal aftermarket EFI fuel pump kit that is USCG approved. Boat Repair, Boat Paint & PDF Holley Sniper EFI FUEL INJECTION INSTALLATION MANUAL 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. Upgrade to Sniper EFI and get the tactical accuracy of EFI I intend to go through the settings on the Sniper yet again, and may change up ignition timing and spark plug heat range to see if that makes any difference with the Sniper. Yeah, it may sound hokey to some, but is just one option to solve the issue where you are and with what you have. CFM. https://documents.holley.com/techlibrary_sniper1.2.17installer.zip One thing the old 460 is not afraid of, is gas. In fact, what if your fuel tank is just a cylinder? However, you dont want to connect the red wire to any ordinary switched 12-volt supply. The initial setup is done with the handheld, if you need to fine-tuning adjustments, the software is normally the best solution. Master ASE tech since 91. All rights reserved. Ignition Wire Marker - 8mm - 8.8mm. $5.70. This sniper is awesome. Holley just brought EFI within range! For a relatively low price, compared to many other systems, this is a fairly user-friendly system, and my old antique runs well with it the majority of the time. Here is the Retrofit module, installed. Covers, Boat Wiring & 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. Deals, Electronics 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. Hardware, Boat Cabin The Holley Sniper Retrofit Fuel Module is able to support 700 horsepower for a fuel-injected engine, or 900 horsepower for a carbureted engine. Will I be able to control my ignition timing with the Sniper? This runs in the area of $1000 and has everything you need for a basic install on almost any vehicle equipped with a four barrel carb. Easy install and definitely more power. But you have to get it tuned. I have used carburetors for many years. I will let you know what happens. Only 4 Wiring Connections Required! Ski, Wakeboard Most gearheads would find a fuel tank from a donor vehicle and make it work as best as they could. Instruments, VHF Radios & Galley, Covers and Drink Holders, https://www.holley.com/products/marine_and_powersports/marine/sniper_efi_marine/. Support Those Who Support The GarageHPTuners: http://www.hptuners.comUse code GRGARAGE for free shipping and free t-shirt for orders over $50, including cred. Sorry for the late reply. Certified to ISO 8846, SAE J1171 & United States Coast Guard Requirements for Ignition Protection & Fire Resistance. The other thing I want to overcome is the fuel return line; my harbor master says that I can connect my fuel return line to my CAV (lucas) gasoline filter, it has 4 connection, now only 2 are used. This part is legal for sale and use on Uncontrolled (Non-Emissions Controlled) Vehicles. Capability Range: Moderate So i was looking for a way to gain some range on my 33' Aquasport offshore fishing boat. High Back Reclining Helm Seat, Cabin and Detectors, Binoculars & Don't hesitate to call, nights and weekends included.) I installed one also on mercruiser 260 hp. Guide, Boat Sniper EFI Marine - Holley Contact Support FAQs HOLLEY SNIPER Holley Sniper EFI self-tuning fuel injection systems delivers many of the benefits end users are looking for in an EFI conversion. Do you offer a USCG fuel pump kit? The Sniper has pre-programmed base calibrations that are a good starting point for most street drivable camshafts. Have heard they have been trying to get them approved for a long time, looks like they made it. 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. The problem is with the Holley computer when you turn on the keyit squirts a prime for a split second. I have also picked up another .5 gallons per hr to about 9.25 gph. Installing A Hyperspark Ignition Master Kit, How a HyperSpark Ignition System Adds Timing Control to Your Sniper EFI, How to Install A Sniper EFI Set-Up On A Supercharged Barracuda, Teaching Ancient Jeeps New Tricks Out On The Trails With Sniper EFI. No prime, but a second later it's ready to crank 'normally'. Visit their website for more details. However, the bit just wouldnt cut through the tank! This solved all my problems. Yes, this is an old thread, but it's an old unit. Sockets, Marine Electrical Replacement Regulator Kit for EFI Regulators and Sniper EFI throttle bodies. Vinyl, Floating Boat Free ground shipping regardless of order size! I wasn't sure what direction I would go with engine combination, so I wanted a system that would work with my 327 or 406. It only runs rich on start up for a second due to the prime, after start it runs great. Thanks. Can I run the Holley regulator/filter P/N 12-876 with this sniper system? I have also installed a sniper system on a 350 Mercruiser and was wondering if you have done any tuning on yours yet? The engine is a turbocharged 363. It will also install into virtually any fuel tank. Holley Sniper EFI 2300 Self-Tuning Kit - Black Ceramic Finish This instruction manual must be read and fully understood before beginning installation. The test run was great, they have never run so well even when they were new with carbs. I have a . 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. 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. Timed spark part for vacuum advanced distributors located under the front fuel bowl, for easy access to the distributor. Holleys Super Sniper Stealth can support 1,250 horsepower and 21.5psi of boost so we teamed up with ProCharger superchargers to put one to the test on Westech Performances engine dyno. The first thing to consider here (if you are in the USA) is US Coast Guard (USCG) Safety Approval. Combos, Fishing Tools & This setup allows you to install a high-pressure fuel pump into virtually any fuel tank, including the one thats in our T-bucket. -6AN Male to -6AN Female, Oil-Filled - 0-100 PSI - 1/8" NPT Male Thread, Earls -6 AN Male to 9/16"-18 (AN6) O-ring Port. Do I need to install the Sniper with or without the leveling spacer? Think your going to need to drill and tap for 1/4 NPT in thermostat housing or head next to housing. Plumbing, Anchor Easy installation and as promoted easy tune! Maintenance, Pumps and When I went to Holley HP, I found an adapter by Innovate that is designed to draw air out the exhaust stream and away to the O2 sensor. Will I be able to run both systems off of one fuel pump? Capability Range: Advanced The Right Fit, Shop By Maintenance, Boat Cleaners & Assuming that your current ignition works well with the marine carburetors it will continue to work well with the Sniper EFI System. 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. Absolutely love it night and day difference, such easy installation and no troubles turned it on and drove havent adjusted anything. All, Boat Bimini If this is a first time effort, find a tuner in your area with marine experience. Good luck to all. The Holley techs are very helpful and easy to talk to. Mercruiser 165 Sniper EFI Install - iboats Boating Forums Racks, Fish Finders, Sounders Once you have those points set, the rest of the map doesn't really matter, just make it look smooth/pretty and everything will be fine. 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. Perfect for street rods, hot rods, muscle cars, off-roaders and just about any carbureted vehicle, Sniper EFI will put an end to cold start issues, hesitations, vapor lock and flooding. A Flame Arrestor is REQUIRED for marine installations, such as part number, 720-1 or 720-13; . 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. Having selecting USCG-approved components, and sourced your O2 sensor adapter, there is but one more challenge--tuning. & Boat, Boat Buyers The integrated Fuel pressure regulator simplifies plumbing/installation! Tackle Boxes, Fishing Bait & I've seen the auto versions, have the marine been around as well? Motors, Fishing Downriggers & 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. I replaced an outdated TBI system. Anchor Box Anchors, Fishing Rod & Reel #1 READ Read the instructions and Follow them. I really dont want any issues on the whitewater lol However, overcoming that whole idle/off-idle transition (mentioned above) is going to be the challenge. Supports up to 1250 HP with Eight 100 Lb/Hr Injectors. External fuel pressure regulator required, set to a base pressure of 58.5 PSI, such as 12-886. Overview. Installed on the newly built 460 in my 1978 F150. Dollies, SportsStuff Great Big I want to remove the old fuel injected Mercruiser factory EFI on both engines because they have begun to be troublesome. From what I have researched so far I know that most of the canned tune profiles that come with the Sniper are targeted to automotive and some manual tweaking will be required. Stay up to date with the latest releases, events, promotions and more. But we need a fuel system capable of feeding the modern mill. HP comes from torque and rpm and rpm breaks things and increases wear. Is it adjustable via laptop such that I could set the high vacuum values to not as high and pickup clarity on my motor that makes little vacuum? Hats off to Holley and their tech support. The spark must be manually tuned. Perfect for street rods, muscle cars, off . The new Exhaust manifolds will have wideband O2 bungs for tuning. The best part it looks good and works great. However, you cant argue with the power gains the late-model GM engine provides. 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 plan is to 'learn' a fuel\Timing curve with a closed loop. Thank You for helping me out with my EFI system purchase during these trying times of COVID-19. Oars, Wakeboard, Wakesurf & There is no problem getting this tuned and then running open loop. Biminis, RV & Trailer 650 Naturally Aspirated. With the pump officially in the tank, we needed to plumb everything up. Installing fuel injection into a classic vehicle is much more common now than it ever has been. Before we could slide this into the tank we needed to add the sock to the end of the pump, which uses a serrated washer to hold it into place. JavaScript is disabled. Accessories, Boat Lift Canopy How To Install A Holley Sniper In-Tank Retrofit Fuel Module The included Genuine Bosch LSU 4.9 Wideband Oxygen Sensor provides realtime Fuel Map Learn! Boat Gel Coat - Spectrum Color, Pumps and It's hallmark is its simplicity--but in this case it is also it's shortcoming. This allowed us to easily slip the pump into the hose end. for Sale, Buy A 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. The kit cost more than the boat was worth but now I have the reliability of EFI and. How To Install A Holley Sniper EFI - YouTube Trying to gather all the info and parts before getting into it .. don't want his boat dry for too long. Increasing efficiency is always a good idea. the motor has the following mods, Aluminum heads, Performer intake, Sniper and MSD ignition module. Q3. Accessories, Boat Our tank is thicker than we were expecting and the hole saw was just not going to make an impact. We determined that we are right at that number with some measuring, so we shouldnt have any issues. They're $900 on eBay. Thanks for the heads up. The Holley Sniper Retrofit pump is one slick unit. These types of adjustable on-delay timer relays are on sites like Amazon for less than $10 up to $15. The wiring for the pump is simple: the black wire needs a solid, clean ground and the red wire is your 12-volt power feed. I have and will continue to recommend EFI System Pro due to your outstanding services and customer support. https://forums.holley.com/showthread7283#post77283, If this is your first visit, be sure to Automotive Wiring: "Good Enough" Is Anything But! Anyone ever converted a 1987 3.7L 4cyl Mercruiser engine to EFI. I don't have enough experience with marine applications to know exactly what it will take to solve this. Copyright 2019 IBOATS. Introducing Sniper EFI! ACCEL. ACCOUNT, Find Cushions, Lexington It's perfect for any vehicle that came standard with a 2300 Holley Flange like some Fairlanes, Galaxies, Falcons, Comets, F100s, Javelins, Rebels, Mustangs, Thunderbirds, Cougars and more.
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