running holley sniper without o2 sensor running holley sniper without o2 sensor

Add to Cart . About your only location is in that short area from the log to the port face. New 100 owner, long time cruiserhead - https://forum.ih8mud.com/threads/new-100-owner-long-time-cruiserhead.1300238/. but I'm finding when running engines with holley sniper kits the the engines are very eratic ,the air fuel numbers are always changing drastically from one pull to . So please, If you have problems registering or can't log into your account, please. But you've found the right one for your Holley Sniper EFI System OR your Terminator X EFI System. Add to Cart . *Possible delays due to Covid-19 click for more information. Do you understand that no USCG-approved aftermarket EFI fuel system (including fuel pump, lines, filters, adapters, and hose ends) exists, that installing unapproved components on a boat will make the boat out-of-compliance with USCG regulation and could result in financial loss and legal liability (and that you release us from any liability by proceeding)? Part Number: 510-554-155. I did--- Save your money and piece a fuel it together. Only show this user. I've dunked mine lots of times. I know from some of the other posts, there have been WBO2 sensor issues. Copyright 2017 Cyberspace Automotive Performance, Inc. All Rights Reserved. I don't have enough experience with marine applications to know exactly what it will take to solve this. Specs. Part# 50-5009QFT. (Assuming it actually releases in November and there are enough units for me to purchase and receive one in December). Innovate Motorsports HBX-1 Bung Extender. With over the transoms you might get away with it if the water is introduced at the very very end, and the O2 is mounted right at the log. I upgraded from terminator x Maxx to dominator.. bought a 2nd o2 sensor kit with Bosch sensor and used an off the shelf Bosch I had been using with terminator. It has about 18 hrs to date and is working great. Depending on how fast you want one, there are plenty out there: The Cross ref numbers on the Holley forums and the Net is a Bosch 17025. Initially I was looking for the upgrade to a 4V holley 4175 carb, but this option has peaked my interest. I installed a Holley sniper system on my car and I've been fighting it for 2 weeks now. An update from Al:After installing them I used the auto tune program on the Holly HP V4 software and they are working great. I have a local customer with a pair of big blocks in his offshore boat that is eager to get started on this. 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. Oxygen Sensor is sold separately.Adaptor should be installed in a flat area of riser at least 6 before water blends with exhaust. I installed it without O2 sensor, adjust on the fly. Thanks again for writing! They have been working out well for a few years now. (Assuming it actually releases in November and there are enough units for me to purchase and receive one in December). 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 received my replacement TPS and O2 sensor. All times are GMT-6. If you let it cool down again, does it start up fine? I have a 74 bronco, 302, mild cam. I installed a holley sniper kit. 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. I have about 30 hrs on the unit and it just keeps getting smoother with every hr of run time. Your talking flames at that point, and it will definitely have an effect on the reading. If a cruiser with enclosed engine compartment, not a lot you can do to eliminate water or at least water vapor in the exhaust. It could be an instant fix. Replacement Bosch Wideband Oxygen sensor for Sniper EFI and Terminator X systems. Holley EFI has the solutions you need to get your project up and running better than ever! Bosch 17025 Oxygen Sensor #1 Best Seller . But it is going to be a little tricky. It needs the tip pointed down at least 10 degrees from horizontal and at least 15 degrees from vertical I prefer about a 45 degree angle from horizontal. $132.95. Will I be able to control my ignition timing with the Sniper? So far so good. It works great where its at. Warranty Information. I installed one also on mercruiser 260 hp. There are five significant plug connections to make from the throttle body: Plug into the oxygen sensor. 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. 4. 1985 fj60 (sold back to Toyota), 1997 fzj80, 1971 fj40 with 75 2F. I had an injector fail after a month of running and called the tech line who helped me figure that out. 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. He had one there that was run on a dyno then the fuel map was set and shipped back. Systems that were already designed for marine efi. You will need an O2 sensor to measure fuel needs, but it could be tuned manually like in the old days. Yellow Cold! Marc, you don't mention which system you installed but the Holley systems are fully configurable. In this video Holley's own Tom Kise explains oxygen sensors and where to place an 02 sensor bung in your exhaust. Fuel economy went from 12.5 to 13.5 gph to 10 gph. Held finger over IAC and it ran better, the thing was just wide open all the time and had nothing to suck. The right side o2 was obviously reporting a fat 10.3 afr as a result, but the car still went 139mph, LOL. So there is at least some probability of success. The in tank pump is quieter, will normally run cooler and should last longer. Capability Range: Moderate JavaScript is disabled. Much of the system is encased right inside the throttle bodyand that includes the ECU. What Is Pinion Offset, And How Does That Affect You? Top 10 Holley Sniper EFI Tech Tips Holley Technical Training Manager Tom Kise's top ten "suggestions" for Holley Sniper EFI System installation issues. In a horizontal or if pointed upwards it can collect exhaust condensation liquids upon start up. The plan is to 'learn' a fuel\Timing curve with a closed loop. Plug-And-Play Compatible with Holley Sniper EFI System, Only for applications that use a Bosch LSU 4.9 0 258 017 025 (17025) Wideband O2 Sensor, Particulates, carbon (e.g. For a better experience, please enable JavaScript in your browser before proceeding. The boat underway acts very much like a water brake dyno I strongly believe that a well broken in engine in good condition can stand a much more critical tune w/o issues and deliver almost the same fuel economy as the proposed EFI conversion. Sort. What is your fuel pressure at the carb during crank? Bolt-on carburetor style EFI for your classic car or truck. HP comes from torque and rpm and rpm breaks things and increases wear. 74 FJ40 confined to the swamp. Essentially, when I push the clutch in and ease on the brakes to coast up to a stop light, the AFR goes lean (18:1 or so) and the engine stalls. 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. . Throttle body mounted ECU - no extra boxes to mount. Price Point: $$, EFI Systems based on Holley's world-class Dominator and HP ECU's. The included fuel system places a 340LPH fuel pump in the tank, which can easily be . Its the Holley Pro Jection TBI mentioned by the above poster. MAP Sensors. In order to do this, it heavily relies on proper O2 sensor placement. dropping a sensor on the ground), Extreme exhaust temperatures (Greater than 930 degC/1700 degF), Unheated sensor in exhaust stream. Howell indicates that this adapter was designed for the Chevy type Mercruiser manifold but that it should work on any similar marine wet manifold. . Comes VERY complete.throttle cable bracket, kickdown bracket, base plate studs & nuts, heat shrink type connectors, and pretty decent instructions as well. The target A/F value based on load or MAF cfm, and engine speed. The engine RPM when closed loop o2 will begin. Good luck! 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. 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. Greatest struggle is the shift interrupt. Sniper EFI Quadrajet Marine. We can hear the initial fuel spray into the body, but it appears that its not enough to start the engine while hot. #1. I installed a holley sniper kit. I am happy with Holleys no hassle replacement of the parts. Wideband Oxygen Sensor Extension Cable. - You are currently viewing the forums as a GUEST. so far so good love the smooth power and easy starts. One comes in the form of a Marine O2 Sensor Adapter from the folks at Howell EFI. Capability Range: Professional Having selecting USCG-approved components, and sourced your O2 sensor adapter, there is but one more challenge--tuning. Pink switched power wire, this needs to be connected to a point that is 12V in run and while cranking. O2 Sensor Mounting: The O2 needs to be mounted 6-8" after the merge in the header collector. You can selectively provide your consent below to allow such third party embeds. Previously, none of Holley's throttle body injection (TBI) systems, such as the Terminator EFI were USCG approved (even though the HP and Dominaor ECU's themselves are.) It is better to remain silent and be thought a fool than to open one's mouth and remove all doubt. Mark Twain, The goal in life: To die young as late as possible. Add To Cart. 2. All I can say is it made a completely different motor out of the 460, 39 degrees out and starts within 2 revolutions power is super smooth throughout the rpm range (idle to 4100rpms 212 Hamilton with 4.0 turbo impeller) has about 6 hrs of learn time. 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. I thought about adding some sort of extra protection but never did. 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. Newer ECMs have all the options to configure these functions. To take advantage of all the site features, please take a moment to register. I have not gone back in to try to fine tune them. Price Point: $, Advanced throttle body injection systems capable of transmission control and more. These often don't work with stock ECUs, so your best bet is to weld in a second bung for the wideband sensor. Product Q&A . 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. 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). Thanks guys. . Boats don't cruise at 60mph up and down hills. 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. Then turn the engine off and "lock in" the tune in a non-feedback loop mode, and quickly remove the headers and wash them off to prevent damage and then swap to the manifolds, but that would honestly be a huge PITA. If you have long tube headers, mount the sensor approximately 6-10" after the collector. Without Headers Steamers location (above) is perfect, up close to the engine where you . What exhausts are the best? 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. Well an update on the Sniper install. Installed the sniper/MSD combo on my mildly built 460 KEM. The light shines in the darkness, and the darkness has not overcome it. OT pipes may be out of the question, but with the water dumps put in at the transom, ala Gil or Rewarder OT pipes, you could get dry readings with bungs a little above where they bolt onto the logs, I would think. See Details. The O2 sensor burned out immediately. What motor is this on? PRO's: Wideband O2 sensor harness is longer, allowing easier connection and routing. I have installed the Holley hp efi MPFI on my twin inboard mercruiser 350ci 270 hp. Also the progressive link. Pay close attention to the instructions on O2 sensor placement. He knows his stuff, gets back quickly to you, etc. No worse than taking the reading in the intake manifold cross over. If this is a first time effort, find a tuner in your area with marine experience. Sensors: Fitting: Threaded O2 . Thanks for the feedback on this adapter, Donald. Phil is right. Thanks for that, Danny. -- I particularly like the Daytona Sensors Approach to the Ignition Curve.- Are you pursuing Coast Guard Certification for the Sniper_EFi? Oxygen sensor: It's perfectly OK to share narrow band oxygen sensors with the stock ECU. Categories. Visit their website for more details. Here's the pic of the location with my header. I would send an Email to Chris at EFIsystempro. $102.95. It is the ratio between the mass of air and the mass of fuel in the air-fuel mix at any given moment. Aftermarket headers are pretty much the only safe way to run an O2 sensor. Sensors that are installed in an exhaust must be connected to a properly Phil said water would still get up over the snail and knock out the sensor. 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. 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, 3. Robust, feature-rich multi-port EFI systems offer easy plug-and-play late-model V8 engine swaps. They are the only ones got me a holley usb to can cable fast. 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. is donald smith still alive; julie grant court tv cheerleader It only runs rich on start up for a second due to the prime, after start it runs great. 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. 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. There is no problem getting this tuned and then running open loop. Advanced throttle body injection systems capable of transmission control and more. Holley EFI Usb/Can Harness, Sniper Tbi. Next, the new unit was installed onto the manifold. The very front would be the safest place. Note that this is a different sensor than Holley uses for their Dominator/HP/Terminator/Avenger series. Full product line and accessories at excellent pricing. That would be for individuals that run the OEM exhaust manifold, as well as individuals that run headers. But you have to get it tuned. I also capped off the regulated return line with a hose, clamps, and chamfering bit. The basic kit comes with the TBI unit, touchscreen controller, water temperature sensor, a wideband oxygen sensor, and all the necessary wiring. By Joshua C on August 10, 2021 | Verified Owner, Worked right out of the box. 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. This product works with Holley EFI wideband oxygen sensors, part numbers 554-100 and 554-101.