Be sure to disable autotune and remove the O2 sensor before it dies. Attempted to make a parts run in my 1990 Third gen Chevy Camaro with a small block chevy 350 with flowmaster mufflers.I believed the issue in this video to b. I wouldn't say "never", but the last time I asked that specific question I was told it wasn't anywhere on the horizon. View Holley Sniper EFI Self-Tuning Kit - Shiny Finish. Similarly, no multi-point fuel injection (MPFI) systems existed that were USCG approved. I installed it without O2 sensor, adjust on the fly. Had to replace the oxygen sensor on my car for the terminator x after the original one failed and this fixed all my problems. Initially I was looking for the upgrade to a 4V holley 4175 carb, but this option has peaked my interest. Those "flames" are still consuming O2 that would otherwise not be read by a sensor in the correct location. Any word on this? It will not fit on round or oval risers without a suitable flat area. If you have long tube headers, mount the sensor approximately 6-10" after the collector. Could show a lean condition when in fact it really isn't. Purely coincidence about the '2300' number. Hooker BlackHeart Oxygen Sensor O2 Bung 2.25" Clamp-On Style, Hooker BlackHeart Oxygen Sensor O2 Bung 2.5" Clamp-On Style, Hooker BlackHeart Oxygen Sensor O2 Bung 3.0" Clamp-On Style, Holley Oxygen Sensor O2 Bung Weld-In Style. 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. Having selecting USCG-approved components, and sourced your O2 sensor adapter, there is but one more challenge--tuning. 5. Price Point: $, Advanced throttle body injection systems capable of transmission control and more. Master ASE tech since 91. No, use only one 02 sensor, mounted close to exhaust manifold, or high up on a Header collector, not into a single Header pipe that merely gets a exhaust pulsation. . Holley EFI Oxygen Sensor. Holley Sniper EFI Wideband Oxygen Sensor. Add to Cart . Price Point: $$, EFI Systems based on Holley's world-class Dominator and HP ECU's. And it is timing that is equally critical to best performance and fuel economy. He also explains how to properly install them. This really applies to any O2 sensor regardless of EFI system. *Free Shipping & Handling only offered to the contiguous US on orders over $100, excludes clearance parts and oversized packages. It's fast, simple and absolutely free. Sponsored Links (REGISTERED USERS DO NOT SEE THIS POST/AD! Stay up to date with the latest releases, events, promotions and more. Some logs have water up to just short of the port. If a cruiser with enclosed engine compartment, not a lot you can do to eliminate water or at least water vapor in the exhaust. Thinking about this I think this will work very fine! Mine is right where Steamers is, and works well with my AFI TBI. : For registered members this ad will NOT show. Sensors: Fitting: Threaded O2 . Followed all the instructions to the letter. Holley 554-100 NTK Wideband Oxygen Sensor. Bolt-on carburetor style EFI for your classic car or truck. I think I could run more boost but it's a real hand full right now. Have engine apart and head checked and cleaned at machine shop. It does this every time..when you start a warmed up engine, its too rich and starts poorly without throttle. 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. George Place the Sniper EFI throttle body on top of the new flange gasket on the manifold. EFI System Pro also has a good bit of tech info on their website. 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. If you've done some automotive fuel map tuning before, you can likely overcome this challenge. The World's largest Do you recommend in-tank or external fuel pump? Do you also recognize that the O2 sensor that is required for closed-loop operation will not survive in the "wet" manifold used by most marine engines, and that to install a device to protect the O2 sensor from this moisture may require the removal, machining, and replacement of the exhaust manifold? We may earn a small commission from affiliate links and paid advertisements. I found this in the instruction manual for the older commander 950 system. - You are currently viewing the forums as a GUEST. I've been building a TBI system from GM parts to use on a 1987 Wellcraft with the Mercruiser 4 cylinder engine. I have also picked up another .5 gallons per hr to about 9.25 gph. The O2 sensor burned out immediately. 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. 534-199. Is Holley working on a complete marine package or planning to in the future? A forum community dedicated to performance boat owners and enthusiasts. May God's grace bless you in the Lord Jesus Christ. 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. $43 per night (Latest starting price for this hotel). I want to register an account for free right now! Price Point: $$, Robust, feature-rich multi-port EFI systems offer easy plug-and-play late-model V8 engine swaps. quick fuel. $108.95. Will I be able to run both systems off of one fuel pump? Product Q&A . 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! Will I be able to control my ignition timing with the Sniper? You can selectively provide your consent below to allow such third party embeds. Has anyone run an O2 sensor in an EFI on a marine engine? . While those work great on an automobile, you likely won't begin to get these marine installations setup with a handheld. And who can blame them? Note that this is a different sensor than Holley uses for their Dominator/HP/Terminator/Avenger series. Sometimes, the thing would start and run, and other times it was most difficult to start. Sorry for the late reply. 1985 fj60 (sold back to Toyota), 1997 fzj80, 1971 fj40 with 75 2F. As always, your results may vary and batteries not included. The truck started fine after install, and ran down the road ok. After some time, the truck will not start after it comes to operating temperature. The truck started fine after install, and ran down the road ok. #3. I will keep the in-line pump for a spare. pull the sensor out of the exhaust. the Hamilton 212 pump is maxed out at about 4600 rpms, however it will provide about 10x the thrust that the berkly it is not as fast but haul much more load and work way better in white water. My tune is coincidentally set at 11.5 desired afr, with the failed side as the leanest bank, but the ecu added 15% fuel anyways. Copyright 2022 Holley Performance Products, Inc. All right reserved. I will get a new 02 sensor before I swap back to the orange box. Copyright 2017 Cyberspace Automotive Performance, Inc. All Rights Reserved. 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. One comes in the form of a Marine O2 Sensor Adapter from the folks at Howell EFI. Customer Rating: 4.3 out of 5 stars: 4.5 out of 5 stars: Comes VERY complete.throttle cable bracket, kickdown bracket, base plate studs & nuts, heat shrink type connectors, and pretty decent instructions as well. well I have installed the Sniper on my 460 KEM (Ford) marine motor. Holley part number 554-155. Add To Cart. Note the temperature sensor mounted on the back of the driver side head in the above photo. Holley EFI. replaced my original terminator x sensor that was mounted in an exhaust that took on some water and killed the original sensor. 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. Followed all the instructions to the letter. dropping a sensor on the ground), Extreme exhaust temperatures (Greater than 930 degC/1700 degF), Unheated sensor in exhaust stream. Thanks guys. I was mocking it up at the time. Sniper EFI Quadrajet Marine. So far so good. To my knowledge, there is no aftermarket EFI fuel system suited to fuel the Sniper EFI system that exists on the market. B/c what it sometimes perceives as a lean spike is actually raw fuel with no oxygen. Shop Oxygen Sensors at Summit Racing. 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. In order to do this, it heavily relies on proper O2 sensor placement. watch the values in the software for the o2.. once is is done "Heating" and starts to show AFR, wrap the rag round it. It is possible for the ECU to have an internal failure that can kill O2 sensors. 02 sensors are very heat sensitive, and can detect an exhaust pulsation in a single Header tube, that's why we always wanted to position the sensor into at least 2 opposite firing tubes we running Headers. I've installed several of these adaptive EFI's on cars with great success. As far as packaging goes, one comes in a Bosch box, the other in a Holley package. When the Sniper EFI System received USCG approval at the end of 2018 this presented some hope for boat owners. Replacement Sniper and Terminator X O2 Sensor. I am considering the Daytona Sensors Ignition module. Capability Range: Moderate $102.95. Add To Cart. check out the. Capability Range: Advanced 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's hallmark is its simplicity--but in this case it is also it's shortcoming. 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. 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. Also in Tools, Shop Equipment & Chemicals, Cataclean - Fuel and Exhaust System Cleaner, Cataclean Diesel - Fuel and Exhaust System Cleaner, Distribution Blocks, Filters, Adapters and Fittings, Microswitch and Solenoid Mounting Brackets, Holley EFI CAN to USB Dongle - Communication Cable, Hooker BlackHeart Oxygen Sensor O2 Bung 2.5" Clamp-On Style, Holley EFI Terminator X Wideband Adapter Harness, Earl's Oxygen Sensor Weld Fitting (Weld Bung) - Steel. (Assuming it actually releases in November and there are enough units for me to purchase and receive one in December). Oxygen (O2) Sensor - Is an electronic device that measures the proportion of oxygen (O2) in the exhaust gas. Vega$69. 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. Then dialed back the cranking fuel quite a bit and that seemed to help some, but still having ongoing issues. But it is going to be a little tricky. Sniper EFI 2300 Marine. 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. Robust, feature-rich multi-port EFI systems offer easy plug-and-play late-model V8 engine swaps. Let him re-jet the carb (a wee bit on the fat side for safety) and reset the timing and try again. Parts List: 1) Holley Sniper 2300 EFI Kit (Do not buy the kit with fuel lines and pump etc. The first thing to consider here (if you are in the USA) is US Coast Guard (USCG) Safety Approval. 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. Sniper EFI Releases new Stealth 4150 Models! So I bought the progressive linkage but you then have . Thanks for the compliment--we look forward to your feedback! I really dont want any issues on the whitewater lol CUSTOM ART FOR CUSTOM NEEDS. It turns out that the loading generated a propeller in the water is significantly different than wheels on pavement, so much so that the map has to be tuned differently. . HP comes from torque and rpm and rpm breaks things and increases wear. With the sniper as long as you locate the o2 sensor where it gets good feedback and stays dry long enough to get a good tune you could lock it so even if the o2s get wet it still runs good. functioning controller during engine operation. Everything about the fuel prime shot can be adjusted. So please, If you have problems registering or can't log into your account, please. Anyone ever converted a 1987 3.7L 4cyl Mercruiser engine to EFI. Part# 550-511. . These often don't work with stock ECUs, so your best bet is to weld in a second bung for the wideband sensor. Some of the landlubbers who are reading this may not realize that many inboard engines utilize what is called a wet exhaust, pushing the water from the engine block into the exhaust and then back into the lake/river/sea on which they float. Fuel prices at the marina are usually about a dollar a gallon more than at the local Racetrac/Wawa/wherever, and even more if you wisely opt for ethanol-free fuel. 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. 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. The new Exhaust manifolds will have wideband O2 bungs for tuning. (probably with the edelbrock marine 2506 intake). The Sniper EFI master kit contains the most complete EFI fuel system on the market. Holley EFI has the solutions you need to get your project up and running better than ever! Restore | Make | Philosophize | Eat | Drink | Be Happy | Let's Go Brandon! Then if that doesn't work call the tech line they are great! Everyone raving about customer service is telling the truth! O2 sensor placement is critical for getting your engine to read the oxygen in the exhaust correctly and can directly impact the performance of your new EFI installation. Sep 14, 2021. Enter The 2023 LS Fest West Trip Sweepstakes Today And Join Us In Las Vegas! We can hear the initial fuel spray into the body, but it appears that its not enough to start the engine while hot. Welcome to ClassicBroncos! looking at doing the same. 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.

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