That would be for individuals that run the OEM exhaust manifold, as well as individuals that run headers. well I have installed the Sniper on my 460 KEM (Ford) marine motor. Fine tuned the timing to 12-15 degrees. The Holley Super Sniper High Performance EFI kit comes with a coolant temperature sensor and an O2 sensor, both of which must be used for the EFI to work properly. Holley EFI Sniper O2 Sensor Install - YouTube If you have long tube headers, mount the sensor approximately 6-10" after the collector. Amazon.com: Holley EFI Wbo2 Sensor, Sniper Tbi : Automotive I had an o2 sensor fail on a pass yesterday, and flatline at 11.5afr. 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. While the Sniper has an absolutely outstanding internal ECU, the current model does not offer any laptop programmability. Enter The 2023 LS Fest West Trip Sweepstakes Today And Join Us In Las Vegas! The in tank pump is quieter, will normally run cooler and should last longer. This combines the Sniper EFI Self Learning Throttle Body, with an easy to install In-Tank Retrofit Returnless Module, 20 ft of Earl's Vapor Guard Fuel Hose, and the required fittings. Do you recommend in-tank or external fuel pump? i thought about it, but after $3400 on an EFI alone and an entirely new rigged boat Im having a hard time forking out another 2000 for an exhaust when I may just do an open loop My buddy machined up a set of spacers I sketched out for him. For the most part, the small harness is plug-and-play. But MAP sensors are very easy to physically implement and are inexpensive. 29. After discussing it in this thread and talking with Holley's tech support, I decided . Free ground shipping regardless of order size! We use cookies to enhance your experience while using our website. $43 per night (Latest starting price for this hotel). When buying the Holley Sniper EFI kit, you've got two basic options. 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! Installing Holley Sniper EFI on a daunting, odd-fire V-6: Part 1 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. Specs. Sadly, no. It's fast, simple and absolutely free. I bought a new holley sniper , dual sync dist., coil, and holley in tank fuel pump, When engine got hot it would go crazy. https://www.efisystempro.com/efi-pro-hangout/sniper-installation-tips-holley-tom-kise, https://www.efisystempro.com/efi-prng-engine-startup-sniper-terminator-x-stealth. But you still risk a little water running back at low Rs. So there is at least some probability of success. 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. Anyone have a good place to find a genuine Bosch O2 replacement sensor without paying $110? Note the temperature sensor mounted on the back of the driver side head in the above photo. He had one there that was run on a dyno then the fuel map was set and shipped back. By bypassing the built in pressure regulator in the fuel module(allowing full flow and pressure), using 3/8 hard lines to/from the sniper to meet CG rules( no soft lines on the engine block)using the snipers fuel pressure regulator, This is as close as I can come to safe. Yes! You have to angle it to help the throttle cable get around the booster. Be sure to disable autotune and remove the O2 sensor before it dies. Add to Cart . Systems that were already designed for marine efi. Spray a rag down pretty good with brake cleaner. Precisely Adam. This was for MPFI. Yes, this is an old thread, but it's an old unit. The reason I say this is that nowhere in this discussion is the fact that none of these systems are are handling the timing on the fly. Thanks for the compliment--we look forward to your feedback! Introducing Sniper EFI Master Kits, with a Returnless Retrofit Fuel Module. It may not display this or other websites correctly. Anything else is going to be a frustrating recipe for for failure. . Holley Sniper EFI Returnless Master Kit - Black Ceramic Staff Writer. While these base maps are generally quite good for cars they are going to be pretty far off in the case of marine applications. Some parts are not legal for use in California or other states with similar regulations. non biased Shelby Cobra related site! Sniper EFI 2300 Marine. We may earn a small commission from affiliate links and paid advertisements. As far as spark control, the Sniper will let you tune those 4 points, nothing else will. But for just over $10 and two simple configuration changes you can switch to a progressive linkage that opens only the two primary barrels at first and then brings in the secondary barrels at a later point. Holley Sniper EFI Wideband Oxygen Sensor Part Number: 510-554-155 Click image to zoom $125.99 More than 10 available Lowest Price Guarantee Sniper EFI Wideband Oxygen Sensor Replacement Part for Holley Sniper EFI and Terminator X Systems Bosch LSU 4.9 See more product details Free Shipping - Ships Today QTY Add To Cart Add to Wish List The Sniper needs a "clean" 12V wire that is hot in Start and Run. Wideband Realities: The Truth About Oxygen Sensors - EngineLabs Free ground shipping regardless of order size! I am looking for a TBI with full sensors, mainly atmospheric for Sept and Oct and a Idle Air sensor for warm starts.I welcome your thoughts.Regards, View Holley Sniper EFI Self-Tuning Kit - Shiny Finish. Full product line and accessories at excellent pricing. The Ford 2300 engine uses a Holley carburetor, but it is in fact a licensed copy of a 32/36 Weber. For complete information about the cookies we use, data we collect and how we process them, please check our, actual instructions in flowcharting are represented in, Why Is Dave Blankenship Not On Oak Island Season 8, rhode island groundwater classification map. Do you offer a USCG fuel pump kit? Also some tips on preventing O2 sensor damage Don't know about HP increase, with the QFT 750 it would turn a 212/4.0 combo to about 3950 to 4000, the Sniper turns it to 4000 to 4100. Then if that doesn't work call the tech line they are great! Replacement Bosch Wideband Oxygen sensor for Sniper EFI and Terminator X systems. 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. Throttle body mounted ECU - no extra boxes to mount. Sorry for the late reply. An O2 sensor is used when converting an engine to fuel injection and wanting to move from an "open loop" system to a "closed loop" system. holley efi. Holley EFI. (Image/Wayne Scraba) The throttle body is a bolt-on replacement for a carburetor. Parts List: 1) Holley Sniper 2300 EFI Kit (Do not buy the kit with fuel lines and pump etc. By Joshua C on August 10, 2021 | Verified Owner, Worked right out of the box. Staff Writer. This is made by Innovate, the guy that runs the Holley EFI forum HIGHLY recomends AND uses them himself, I use them, my o2 on my wideband Innovate, kept going bad, a 4.2 Bosch o2, put this on both my Holley HP NTK sensor & the wide band, been 2 years now & lots of driving, all good, Heat-Sink Bung Extender (HBX-1) - P/N: 37290 The right side o2 was obviously reporting a fat 10.3 afr as a result, but the car still went 139mph, LOL. I think installing a wide band O2 sensor in the manifold(s) is a great idea. All of the wiring begins at the throttle body and connects outward from there. Part# 554-155. holley efi. Installed a Lokar throttle linkage bracket custom made for the Sniper, removing the old one that had been on my Holley 750. 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. The oxygen sensor should be mounted at a point where it can read a good average of all the cylinders on one bank. Good luck to all. Everything about the fuel prime shot can be adjusted. This page was generated at 08:35 AM. Add to Cart . Holley sniper efi error 21 - bqfoki.lesthetiquecusago.it Anti-Seize pre-applied to sensor threads. Purely coincidence about the '2300' number. 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. Part # 554-155. This product works with Holley EFI wideband oxygen sensors, part numbers 554-100 and 554-101. Note that this is a different sensor than Holley uses for their Dominator/HP/Terminator/Avenger series. Holley EFI Usb/Can Harness, Sniper Tbi. I had a blue wire coming out of the firewall that met this need, but it was already hooked-up to the + side of the coil and the Duraspark box. Oops, after that it cranked right up.Idle was set to 950rpm so after the vid was cut off I lowered it to 820rpm and it was purring like a kitten.EFI for dummies. I had an o2 sensor fail on a pass yesterday, and flatline at 11.5afr. I installed a holley sniper kit. Oxygen Sensor is sold separately.Adaptor should be installed in a flat area of riser at least 6 before water blends with exhaust. My hand is holding the connector to the sensor. After a few tries by jumping the starter solenoid I then realized the ignition key was in the off position. It works great where its at. Doesn't look like it will have an O2 sensor. Sniper EFI Releases new Stealth 4150 Models! The very front would be the safest place. 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. VerticalScope Inc., 111 Peter Street, Suite 600, Toronto, Ontario, M5V 2H1, Canada. Are you holding your RPMs back with the MSD for some reason? Are you running the entire system? . But you've found the right one for your Holley Sniper EFI System OR your Terminator X EFI System. The wiring was a bit of a mess. Sponsored Links (REGISTERED USERS DO NOT SEE THIS POST/AD!