running holley sniper without o2 sensor

By Joshua C on August 10, 2021 | Verified Owner, Worked right out of the box. The latest is the new Holley Sniper EFI touted as a true bolt-on self-learning carb replacement. I do agree if he can get it tuned prior to fouling he can lock that tune and run in open loop. Add to Cart . Price Point: $$, EFI Systems based on Holley's world-class Dominator and HP ECU's. 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 hose, clamps, and chamfering bit.In the settings I chose closed loop disabled (set to open loop) and also set learn mode to disabled. Why? 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. The adapter plate installs in between the exhaust manifold and the riser/elbow allowing for the water jackets to still be in place and an o2 sensor to be installed in the still dry exhaust gasses. 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. 1985 fj60 (sold back to Toyota), 1997 fzj80, 1971 fj40 with 75 2F. Is this a good upgrade? Restore or update your Holley Sniper EFI System with this WBO2 Sensor 17025 Bosch 554-155 Holley. Anti-Seize pre-applied to sensor threads. 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. It does not work with the Sniper EFI oxygen sensor. Note, that is not a crack in the exhaust manifold, just a shadow from a casting flaw. #1. About your only location is in that short area from the log to the port face. Phil said water would still get up over the snail and knock out the sensor. That would be for individuals that run the OEM exhaust manifold, as well as individuals that run headers. According to AEM Electronics, a leading manufacturer of aftermarket Wideband O2 sensor kits, the following may damage or destroy oxygen sensors: 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. $132.95. I have tried several different settings to get it going, no luck. But this also makes me wonder what you did for the O2 sensor. Jan 20, 2019. George Place the Sniper EFI throttle body on top of the new flange gasket on the manifold. Had to replace the oxygen sensor on my car for the terminator x after the original one failed and this fixed all my problems. Option 1 is to purchase and install one of the Holley EFI Dual-Sync Distributors on your engine. That would be for individuals that run the OEM exhaust manifold, as well as individuals that run headers. Register now for free!) Pink switched power wire, this needs to be connected to a point that is 12V in run and while cranking. running holley sniper without o2 sensorplymouth township mi police scanner. Warranty Information. Part Number: 510-554-155. Emissions. Replaced and gapped to .45 all spark plugs. Are you running the entire system? Visit their website for more details. After discussing it in this thread and talking with Holley's tech support, I decided . Good luck to all. Racing Use Only Vehicles are vehicles that are used exclusively for competition that are not registered and that may never be used on the street. i'm not aware of a universal aftermarket EFI fuel pump kit that is USCG approved. O2 sensors are water proof. The included fuel system places a 340LPH fuel pump in the tank, which can easily be . Not always the case with a boat. 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. I would send an Email to Chris at EFIsystempro. Bolt-on carburetor style EFI for your classic car or truck. I put mine after the collector only because I have a new exhaust and muffler going in and Ill use a weld in bung and placement will be different. And it is timing that is equally critical to best performance and fuel economy. They have mods that help. The very front would be the safest place. The World's largest The Holley Sniper system sells for $999.95, installs in under 2 hours, and requires only an O2 sensor, a temp sensor (both included), an electric return-style fuel pump, and four-wires to connect.. Quote Reply Topic: Holley Sniper Posted: Jan/05/2022 at 2:01pm . I was thinking aluminum heads would run it up closer to 5,000 rpm. However, advanced tuning software is available for the Sniper EFI System that allow them to be tuned by a competent professional with experience tuning marine applications. Sniper EFI Releases new Stealth 4150 Models! Some parts are not legal for use in California or other states with similar regulations. There are five significant plug connections to make from the throttle body: Plug into the oxygen sensor. What I don't want to do is spend more money on the headers than on the fuel injection upgrade and new propeller set. This site uses cookies to help personalise content, tailor your experience and to keep you logged in if you register. There is no problem getting this tuned and then running open loop. Held finger over IAC and it ran better, the thing was just wide open all the time and had nothing to suck. Top 10 Holley Sniper EFI Tech Tips Holley Technical Training Manager Tom Kise's top ten "suggestions" for Holley Sniper EFI System installation issues. On a side note: Im getting 4200 rpms at 5000 elevation with stock heads. Using the correct length carb stud and nuts, tighten the Sniper EFI throttle body down progressively in a "criss-cross" pattern (60-80 in.lbs.). Sniper EFI Quadrajet Marine. Ideally I'd want the power plant running as efficiently as possible, but I'd sure like the benefit of EFI over carb. 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. It may not be enough to cause problems with the way the engine runs aor even make into the cylinders, but it is enough of a mist to take out a O2 sensor. Holley 2300 is their nomenclature for a 2-bbl generic fitment carburetor. You have to angle it to help the throttle cable get around the booster. 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. I found this in the instruction manual for the older commander 950 system. turn on the ignition.but do not start the engine. He had one there that was run on a dyno then the fuel map was set and shipped back. Affiliate. I hope that the next F/2F header is more O2 sensor friendly. Sniper EFI 2300 Marine. The sniper fit perfectly on the intake. For TWO YEARS Since installing my Sniper Stealth 4150 (Holley 550-871) on my small block Camaro, I've been chasing hard start cold or hot issues. Howell indicates that this adapter was designed for the Chevy type Mercruiser manifold but that it should work on any similar marine wet manifold. Pay close attention to the instructions on O2 sensor placement. : For registered members this ad will NOT show. so simple check first, whats the fuel pressure? Finally, do you also recognize that the self-tuning feature of the Sniper EFI may not result in an acceptable configuration for your boat and, as such, may require you to seek professional tuning? Price Point: $$, Robust, feature-rich multi-port EFI systems offer easy plug-and-play late-model V8 engine swaps. Parts List: 1) Holley Sniper 2300 EFI Kit (Do not buy the kit with fuel lines and pump etc. 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 requires removing the plug with a breaker bar, and using a 1/2 NPT to 3/8 NPT adapter to mount the Sniper sensor. Holley EFI. I recommend popping for the Master . It will flood itself out and won't start back, just crank and crank. I am concerned about the O2 sensor consideration, but in the end isn't the carburetor situation open loop? No worse than taking the reading in the intake manifold cross over. 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. Q1. The Sniper EFI throttle-body drops in place of your . Joe, where did you end up installing the o2 sensor on your setup? I have searched thru the forum as much as I can, with not much luck. Stay up to date with the latest releases, events, promotions and more. In the case of the car, you can generally get out and walk (run?) I don't have enough experience with marine applications to know exactly what it will take to solve this. Everything about the fuel prime shot can be adjusted. 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. "Old Yeller" gets Holley EFI Sniper O2 Sensor Installedhttps://www.holley.com/products/fuel_systems/fuel_injection/sniper_efi/sniper_efi_stealth_4150/sniper_. New 100 owner, long time cruiserhead - https://forum.ih8mud.com/threads/new-100-owner-long-time-cruiserhead.1300238/. 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. Master ASE tech since 91. Make sure to put anti seize on the threads. Free Shipping - Holley Sniper EFI Oxygen Sensors with qualifying orders of $99. Homemade body parts replace the originals as they rot away but it's a 40 on the inside. I myself will convert my 2 302's (Volvo Penta 5.0 l AQ231A) from carbs to EFI; I must find out everything before I start work on the engines, then I am satisfied to start. If you are using our Services via a browser you can restrict, block or remove cookies through your web browser settings. Oxygen sensor: It's perfectly OK to share narrow band oxygen sensors with the stock ECU. All times are GMT-6. If you let it cool down again, does it start up fine? excessively rich mixtures), Mechanical shock (e.g. It will not fit on round or oval risers without a suitable flat area. The ones in the Bosch box come without warranty. It looks like another season has come and passed by without the answer you wanted on this.I am impressed that you made the leap into marine fuel injection but you have experienced the same problem that everyone else who has tried this has faced. Got a picture? If you have long tube headers, mount the sensor approximately 6-10" after the collector. Waiting for spring to put back together. functioning controller during engine operation. . He knows his stuff, gets back quickly to you, etc. Replacement Bosch Wideband Oxygen sensor for Sniper EFI and Terminator X systems.

Bellini Strain Allbud, Camp Bullis Shoppette Hours, How Many Apricot Seeds Will Kill A Dog, Articles R