running holley sniper without o2 sensor

What you are able to accomplish with a Sniper is done exclusively through the setup wizard application on the 3.5-inch handheld.The Temrinator is designed to be set up with it's own setup wizard on the same 3.5-inch handheld display--but since it has a stand-alone ECU, it can also be fully programmed via the Holley laptop software. 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. FWIW, I called Holley to confirm the part number and they say the Bosch part number if 17212 (also available on Amazon for $64.78). Sort. Brand: Holley EFI Emission Code: 4 . Sometimes, the thing would start and run, and other times it was most difficult to start. WARNING: It is against the law to install this part on an Emissions Controlled Vehicle, By Corey A on June 4, 2021 | Verified Owner. Holley Sniper EFI Wideband Oxygen Sensor. Everything about the fuel prime shot can be adjusted. I'm having new headers with an O2 sensor bung installed in my car ('79 Vette) soon, to prepare for a Holley Sniper EFI TBI install this winter. Ive got a set of bassett headers for a BBC, ill see if they can fit under the transom. Sort. Jun 7, 2021. What exhausts are the best? 02/25/2020. A third option would be to run your EFI system without an O2 sensor at all. Add to Cart . I'm using the NTK sensor. Doesn't look like it will have an O2 sensor. Specs. A forum community dedicated to performance boat owners and enthusiasts. If you have a manual tranny starting off without squealing the tires can be tricky because all four barrels open up at the same time. 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. 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. Hopefully this one lasts longer than the original. Robust, feature-rich multi-port EFI systems offer easy plug-and-play late-model V8 engine swaps. The first thing to consider here (if you are in the USA) is US Coast Guard (USCG) Safety Approval. Increasing efficiency is always a good idea. Use a return fuel line. YES! I will let you know what happens. In the event you decided earlier that you are going with the Sniper EFI System you will not have the requisite tuning capability by simply using the included handheld tuner. Great Article. You will need an O2 sensor to measure fuel needs, but it could be tuned manually like in the old days. Has been since the 80's. One of the benefits of using any Holley EFI system is that it self learns and tunes on its own. Replacement Bosch Wideband Oxygen sensor for Sniper EFI and Terminator X systems. Capability Range: Advanced *Possible delays due to Covid-19 click for more information. Had to replace the oxygen sensor on my car for the terminator x after the original one failed and this fixed all my problems. It works fine. In this video Holley's own Tom Kise explains oxygen sensors and where to place an 02 sensor bung in your exhaust. The new Exhaust manifolds will have wideband O2 bungs for tuning. Yeah, it may sound hokey to some, but is just one option to solve the issue where you are and with what you have. well I have installed the Sniper on my 460 KEM (Ford) marine motor. This completes the basic installation of the Holley Sniper EFI 4150 Super Sniper 1250/650 kit. Price Point: $, Advanced throttle body injection systems capable of transmission control and more. Purely coincidence about the '2300' number. Anyone have a good place to find a genuine Bosch O2 replacement sensor without paying $110? I've dunked mine lots of times. The wiring was a bit of a mess. Douglas Cline. Car runs perfect . Once the tune is complete, the O2 sensor can be defeated or . 2014 FJ Cruiser - White - 4X4 - Loaded - . 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. He had one there that was run on a dyno then the fuel map was set and shipped back. To those who have installed the Sniper EFI units, please post up some photos of where you tapped the exhaust line to install the Oxygen Sensor's weld bung. Bolt-on carburetor style EFI for your classic car or truck. I was mocking it up at the time. Sorry for the late reply. So please, If you have problems registering or can't log into your account, please. To my knowledge, there is no aftermarket EFI fuel system suited to fuel the Sniper EFI system that exists on the market. Found out that it was due to rfi/emi. Sponsored Links (REGISTERED USERS DO NOT SEE THIS POST/AD! Is the O2 sensor on the dyno must have a very long pipe extending past where it is positioned or backwash from the room air will violate the readings as well as any header leaks. The Ford 2300 engine uses a Holley carburetor, but it is in fact a licensed copy of a 32/36 Weber. I have not gone back in to try to fine tune them. I do agree if he can get it tuned prior to fouling he can lock that tune and run in open loop. Sniper EFI Releases new Stealth 4150 Models! I've seen O2 sensors in water jacketed headers that have worked fine for years. In a horizontal or if pointed upwards it can collect exhaust condensation liquids upon start up. . For a better experience, please enable JavaScript in your browser before proceeding. Plug into the coolant temperature sensor. The included fuel system places a 340LPH fuel pump in the tank, which can easily be . They have mods that help. This product works with Holley EFI wideband oxygen sensors, part numbers 554-100 and 554-101. Anti-Seize pre-applied to sensor threads. Have you visually verified that all your injectors are spraying? 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. 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. Seems to have more low end tq and is much smoother power through out the rpm range. http://forums.holley.com/showthread.ension-Harness, http://forums.holley.com/showthread.4388#post54388, If this is your first visit, be sure to Note that this is a different sensor than Holley uses for their Dominator/HP/Terminator/Avenger series. Then if you are do you just wire the o2 sensors in parallel or do these EFI kits have inputs for more than one sensor. I'm about to embark on the same type of project. The spark must be manually tuned. When you purchase through links on our site, we may earn an affiliate commission, which supports our community. Joe, where did you end up installing the o2 sensor on your setup? Stay up to date with the latest releases, events, promotions and more. Anyone ever converted a 1987 3.7L 4cyl Mercruiser engine to EFI. Oxygen sensor: It's perfectly OK to share narrow band oxygen sensors with the stock ECU. I would back-burner the ignition control questions until you get the fuel injection working. functioning controller during engine operation. The Sniper EFI throttle-body drops in place of your . I am interested in upgrading both engines with Pertronix Ignitor or Ignitor II ignition and the Holley Sniper EFI 2300 and the Howell EFI marine O2 sensor adapter. Whether you're engine swapping your classic car or need to manage 4000 horsepower in your twin-turbocharged drag radial race car, Holley EFI has the solutions you need to get your project up and running better than ever! Assuming that your current ignition works well with the marine carburetors it will continue to work well with the Sniper EFI System. *Free Shipping & Handling only offered to the contiguous US on orders over $100, excludes clearance parts and oversized packages. Please consult the Holley Sniper full manual and use this guide for supplemental clarification. Distributor and ignition box? : For registered members this ad will NOT show. No worse than taking the reading in the intake manifold cross over. Phil said water would still get up over the snail and knock out the sensor. Affiliate. Features: . You are using an out of date browser. 10 min read. 2023 HOLLEY PERFORMANCE PRODUCTS, INC. ALL RIGHTS RESERVED. Aug 17, 2013. Master ASE tech since 91. 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. George Place the Sniper EFI throttle body on top of the new flange gasket on the manifold. I am a competent mechanic and I have checked all the usual suspect items. I will be calling around to see if I can find someone to help that has experience. Greatest struggle is the shift interrupt. Capability Range: Advanced Are you holding your RPMs back with the MSD for some reason? I hope that the next F/2F header is more O2 sensor friendly. 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. I wouldn't say "never", but the last time I asked that specific question I was told it wasn't anywhere on the horizon. 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. I have a local customer with a pair of big blocks in his offshore boat that is eager to get started on this. You should then have at least 18-24" of pipe after the sensor. KAYAK searches hundreds of travel sites to help you find and book the hotel deal at O2 Hotel Taipei Main Station that suits you best. Holley EFI Oxygen Sensor. Running? However, overcoming that whole idle/off-idle transition (mentioned above) is going to be the challenge. The fuel module is self contained with water jacket cooling and contains the low and high pressure pumps. Removed all the unused wires from harness and wrapped all the remaining wires and harness with rfi shielding tape. An update from Al:After installing them I used the auto tune program on the Holly HP V4 software and they are working great. Replacement Bosch Wideband Oxygen sensor for Sniper EFI and Terminator X systems. I'm looking for some more practical and scenario-specific advice; that's one small piece of it.

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