Sent unit back to Holley. I will keep the in-line pump for a spare. - The sales brochure refers to Integrated Ignition Timing Control and Coil Driver. Get fast, Free Standard Shipping on orders over Summit Racing Equipment from $99 -- no shipping, handling, or rural fees! This motor would probably turn the berk to 6 grand and blow it out from a stop.Motor dyno'd on a carb @389 hp @ 4700rpm and 497 tq @3500. From there, our highly trained factory refurbish technicians flow the original fuel injectors. Full time feedback from the sensor is what the computer uses to refine the fuel table. Because the fuel maps are built on a speed-density (ie, engine RPM versus manifold air pressure) fueling strategy. Never tried it myself or know anyone fwho has, but Little kids play hooky . big kids play. Purely coincidence about the '2300' number. Sniper EFI 4bbl Marine. 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. Holley 554-100 NTK Wideband Oxygen Sensor. 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. If there's anyone willing to read a bit and offer advice about what to do when doing a top-end swap (when you may be in a scenario with a new top-end that's the EFI isn't calibrated for AND you can't have an WBO2 sensor connected), please let me know. The Sniper EFI could very well be one of the easiest to set-up fuel injections systems ever. Holley Sniper Marine EFI | Bloodydecks Next, the new unit was installed onto the manifold. The Sniper EFI throttle-body drops in place of your . Without the engine running, AFR will read 35.6 The fuel pump will run off a relay in the sniper harness (blue wire) pink wire gets switch/run power to the relay. Price Point: $$, Robust, feature-rich multi-port EFI systems offer easy plug-and-play late-model V8 engine swaps. Sensors that are installed in an exhaust must be connected to a properly functioning controller during engine operation Additionally, if an Sniper or Terminator X EFI System has repeated O2 sensor failures and none of the above-listed suggestions seem likely then contact Holley and arrange to have the unit tested. I stopped by Bergeron on my way back to the lake, and he said they have never found a good way to run O2 sensors in a marine exhaust. Innovate Motorsports HBX-1 Bung Extender. Description. The adapter will be fastened in both metal parts so that no water will reach the O2 sensor. Posted By : / actual instructions in flowcharting are represented in /; Under :nose exercise before and afternose exercise before and after Not always the case with a boat. So far so good. I do agree if he can get it tuned prior to fouling he can lock that tune and run in open loop. Part Number: 510-554-155. Note, that is not a crack in the exhaust manifold, just a shadow from a casting flaw. Holley Oxygen Sensor O2 Bung Weld-In Style; Larger Image. Holley sniper efi error 21 - bqfoki.lesthetiquecusago.it Most water jacketed header manufacturers (Lightning, CMI, etc) will install 02 bungs in their headers for extra money. $43 per night (Latest starting price for this hotel). 1985 fj60 (sold back to Toyota), 1997 fzj80, 1971 fj40 with 75 2F. Product Q&A . But this also makes me wonder what you did for the O2 sensor. Capability Range: Advanced 10 min read. EFI EFI kit electronic fuel injection. If you call, they usually let you put in your name and they get back to you. When problem-solving this type of issue, consider when and how you could use a work-around. I'm 3" down from the bottom of the flange to center of bung. Using the throttle body's fuel pressure regulator will require a 5/16" fuel return line to the tank. Advanced throttle body injection systems capable of transmission control and more. -- I particularly like the Daytona Sensors Approach to the Ignition Curve.- Are you pursuing Coast Guard Certification for the Sniper_EFi? Holley Sniper EFI Returnless Master Kit - Black Ceramic 2. It appears that its a tuning issue. . Greatest struggle is the shift interrupt. Also, with Headers you loose 600 to 700 degrees between Head and bottom collector, you don't want to read that loss. Sep 14, 2021. Supports up to 650hp with Four 100 Lb/Hr Injectors! Assuming that your current ignition works well with the marine carburetors it will continue to work well with the Sniper EFI System. Only a few hours on the motor but so far so good. The throttle body has a built in fuel pressure regulator set at 58.5 psi. Was in marine engineering for years. This is the 02 sensor adapter I used. To close this one out, below is a photo of where I installed the O2 bung. The plan is to 'learn' a fuel\Timing curve with a closed loop. The opposing pistons share a crankpin the way they do in a V-8, but the fact that there are only three cylinders on each bank means that the plugs fire at 90-150-90-150-90-150 intervals. #HM206 - ADAPTOR, O2 SENSOR for Marine use - Howell EFI Conversion It could be an instant fix. Sniper EFI - Holley The O2 sensor burned out immediately. I did--- Save your money and piece a fuel it together. Without Headers Steamers location (above) is perfect, up close to the engine where you . Holley Sniper EFI Self-Tuning Kit - Shiny Finish, Holley Sniper EFI Self-Tuning Kit - Black Ceramic Finish, Holley Sniper EFI Self-Tuning Kit - Classic Gold Finish, Holley Sniper EFI 2300 Self-Tuning Kit - Shiny Finish, Holley Sniper EFI 2300 Self-Tuning Kit - Black Ceramic Finish, Holley Sniper EFI 2300 Self-Tuning Kit - Classic Gold Finish. EFI Swap | Shamrock Boat Owners' Club Classifieds - Engine/Transmission/Transfer Case, BJ42 | FJ43 | BJ44 | FJ45 | FJ45LV | HJ47, North American Clubhouses - Central Region, CA.AB- Rocky Mountain Land Cruiser Association, CO/WY- Horsetooth 4 Wheelers Cruiser Club, TX- Lone Star Land Cruisers - Austin Chapter, TX- The White Trash of the Elwood Chapter, CA.BC- Okanagan-Similkameen Land Cruisers, NV- Battle Born Cruisers of Northern Nevada, Vendors: Accessories - Electronics - Recovery. Bolt-on carburetor style EFI for your classic car or truck. The World's largest As far as spark control, the Sniper will let you tune those 4 points, nothing else will. Some parts are not legal for use in California or other states with similar regulations. Howell indicates that this adapter was designed for the Chevy type Mercruiser manifold but that it should work on any similar marine wet manifold. Holley Sniper EFI - Page 3 - Offshoreonly.com Adam. RPM going up and down , miss firing and backfiring. I recommend popping for the Master . Copyright 2022 Holley Performance Products, Inc. All right reserved. One of the benefits of using any Holley EFI system is that it self learns and tunes on its own. 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. Anyone have a good place to find a genuine Bosch O2 replacement sensor without paying $110? It may not display this or other websites correctly. So there is at least some probability of success. Holley EFI Usb/Can Harness, Sniper Tbi. To simplify . Are you holding your RPMs back with the MSD for some reason? The test run was great, they have never run so well even when they were new with carbs. In the case of the car, you can generally get out and walk (run?) 3. Anyone ever converted a 1987 3.7L 4cyl Mercruiser engine to EFI. Everything about the fuel prime shot can be adjusted. replaced my original terminator x sensor that was mounted in an exhaust that took on some water and killed the original sensor. You should then have at least 18-24" of pipe after the sensor. . We may earn a small commission from affiliate links and paid advertisements. Running? Similarly, no multi-point fuel injection (MPFI) systems existed that were USCG approved. Taking a look at the holley manual I am thinking about drilling and tapping the front exhaust port on the log for the O2 sensor. Found out that it was due to rfi/emi. GA - As close to the lake as I can afford A powerful, MICRO BlueTooth in dash audio solution! Search for O2 Hotel Taipei Main Station discounts in Taipei City with KAYAK. The basic kit comes with the TBI unit, touchscreen controller, water temperature sensor, a wideband oxygen sensor, and all the necessary wiring. 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. Increasing efficiency is always a good idea. The engine RPM when closed loop o2 will begin. Free Shipping - Holley Sniper EFI Oxygen Sensors with qualifying orders of $99. Who knows. Sort. Categories. I bought a new holley sniper , dual sync dist., coil, and holley in tank fuel pump, When engine got hot it would go crazy. It will crank and run great for 2-15 seconds then die. I want to register an account for free right now! Could show a lean condition when in fact it really isn't. It's a compact HP pump and cooler assembly. Holley EFI Oxygen Sensor. Hopefully this one lasts longer than the original. Restore | Make | Philosophize | Eat | Drink | Be Happy | Let's Go Brandon! If you have long tube headers, mount the sensor approximately 6-10" after the collector. Installed a Lokar throttle linkage bracket custom made for the Sniper, removing the old one that had been on my Holley 750. test the sensor.. for a basic pass/fail of the sensor. I just installed a Sniper on a 67 GTO and it was pretty straightforward, the end result was a much better starting/smother running car, than can adapt to elevation changes better, But we also installed the Holley Dual sync distributor for a complete system that adjusts timing as well. This doesn't apply to race boats. The truck started fine after install, and ran down the road ok. It has about 18 hrs to date and is working great. Customer Rating: 4.3 out of 5 stars: 4.5 out of 5 stars: CTS (Coolant Temperature Sensor) - Reads engine temperature. Late to the party but here's where mine are installed. . the engine not running. 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.. 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. For a better experience, please enable JavaScript in your browser before proceeding. Add to Cart . $132.95. Pink switched power wire, this needs to be connected to a point that is 12V in run and while cranking. Yes! you don't want to read that loss. Let me know how I can be of assistance. After a few tries by jumping the starter solenoid I then realized the ignition key was in the off position. The included fuel system places a 340LPH fuel pump in the tank, which can easily be . Add To Cart. so mine has been pretty good but 1 out 20 starts you can hear the fuel pump run longer then normal..when it does that it will light off then diebut if i put my foot to the floor it will start..still working on that 1..timing i am running 12 cranking.20 idle.40 cruze.35 wotstill playing with all of this..Mine is also a sniper stealth. Having the same problem with my sniper as well, intermittent hot (and cold) start issues. Pay close attention to the instructions on O2 sensor placement. What I installed on the motors was the Holley HP 19lb Holley Injectors the Holley 522-198 duel sync distributors with the MSD Digital 6A and the MSD Blaster 2 coils. Parts List: 1) Holley Sniper 2300 EFI Kit (Do not buy the kit with fuel lines and pump etc. Other? The very front would be the safest place. Brand: Holley EFI Emission Code: 4 . Powering the Sniper, There are three wires that need to be connected to power on the Sniper, Red and Black main power wires, these need to be run directly to the battery and have a solid connection. I want to remove the old fuel injected Mercruiser factory EFI on both engines because they have begun to be troublesome. Did a test startup on my new sniper by running the power wire to battery + and not using the o2 sensor.I also capped off the regulated return line with a hos. Menu. In order to do this, it heavily relies on proper O2 sensor placement. If you find that please let us know. I have searched thru the forum as much as I can, with not much luck. CUSTOM ART FOR CUSTOM NEEDS. Conditions when closed loop o2 should be turned off. 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. I also capped off the regulated return line with a hose, clamps, and chamfering bit. . What I think a lot of folks are missing is correct tuning of their carburetor engines Most inboard systems I worked on were intentionally set up to run rich with minimal timing (mostly to get through the warranty period). Holley Sniper EFI System is Easy, Budget-Friendly Path to Fuel Then they had it repaired and back to me in 5 business days. Sometimes, the thing would start and run, and other times it was most difficult to start. p.s.
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