Still trying to find more info on electronic conversion, only found Pertronix replacement for points so far.. What TBI, fuel pump, sensors and ECM computer are you using? Well an update on the Sniper install. Incense-veiled temples with exquisite carvings and paintings dating back to dynastic times blend seamlessly in streets of the modern city. 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.). . Installed a Lokar throttle linkage bracket custom made for the Sniper, removing the old one that had been on my Holley 750. 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. I received my replacement TPS and O2 sensor. Oxygen Sensor, Replacement, Sniper EFI, Terminator X, 3-wire, Thread-in, Each See More Specifications | Check the Fit. Ideally I'd want the power plant running as efficiently as possible, but I'd sure like the benefit of EFI over carb. Enter The 2023 LS Fest West Trip Sweepstakes Today And Join Us In Las Vegas! The latest is the new Holley Sniper EFI touted as a true bolt-on self-learning carb replacement. But this also makes me wonder what you did for the O2 sensor. Holley's self learning system is a blessing and a curse. $132.95. I really dont want any issues on the whitewater lol This is the 02 sensor adapter I used. May God's grace bless you in the Lord Jesus Christ. They have been working out well for a few years now. holley efi. Is Holley working on a complete marine package or planning to in the future? An adapter harness is available to connect this distributor directly to the Sniper EFI throttle body. Price Point: $$, EFI Systems based on Holley's world-class Dominator and HP ECU's. GA - As close to the lake as I can afford A powerful, MICRO BlueTooth in dash audio solution! Wondering how you are progressing with this? Wideband vs Narrowband sensors - A narrowband O2 sensor is only calibrated to . Ordered another dominator Bosch from Holley and it matches perfect. I installed a holley sniper kit. A replacement clamp on would be an easy change out. It is better to remain silent and be thought a fool than to open one's mouth and remove all doubt. Mark Twain, The goal in life: To die young as late as possible. It does not work with the Sniper EFI oxygen sensor. No, use only one 02 sensor, mounted close to exhaust manifold, or high up on a Header collector, not into a single Header pipe that merely gets a exhaust pulsation. Mike. Some of the landlubbers who are reading this may not realize that many inboard engines utilize what is called a wet exhaust, pushing the water from the engine block into the exhaust and then back into the lake/river/sea on which they float. Capability Range: Professional I want to remove the old fuel injected Mercruiser factory EFI on both engines because they have begun to be troublesome. I had an o2 sensor fail on a pass yesterday, and flatline at 11.5afr. This doesn't mean it can't be done. you don't want to read that loss. I've dunked mine lots of times. Hopefully this one lasts longer than the original. They are the only ones got me a holley usb to can cable fast. This was for MPFI. Affiliate. Price Point: $$, EFI Systems based on Holley's world-class Dominator and HP ECU's. -- I particularly like the Daytona Sensors Approach to the Ignition Curve.- Are you pursuing Coast Guard Certification for the Sniper_EFi? I installed a holley sniper kit. turn on the ignition.but do not start the engine. I would send an Email to Chris at EFIsystempro. Q1. Runs like a champ now. Could show a lean condition when in fact it really isn't. Looking for some advice pertaining to Holley Sniper and Tire Size upgrades. Robust, feature-rich multi-port EFI systems offer easy plug-and-play late-model V8 engine swaps. 92 YJ 4.0, AX-15 5spd, np231, dana 30 front, dana 35 rear. From there, our highly trained factory refurbish technicians flow the original fuel injectors. is donald smith still alive; julie grant court tv cheerleader You are using an out of date browser. I recently installed the sniper setup on my stock 71 duster 340 4 speed. I am considering the Daytona Sensors Ignition module. Master ASE tech since 91. (probably with the edelbrock marine 2506 intake). Sorry for the late reply, Douglas. All times are GMT-6. Howell indicates that this adapter was designed for the Chevy type Mercruiser manifold but that it should work on any similar marine wet manifold. 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. I wouldn't say "never", but the last time I asked that specific question I was told it wasn't anywhere on the horizon. Has been since the 80's. Next, the new unit was installed onto the manifold. Part# 534-199. To take advantage of all the site features, please take a moment to register. That would be for individuals that run the OEM exhaust manifold, as well as individuals that run headers. The wiring was a bit of a mess. They are about 4 inches long, in-line between the log and manifold. Great Article. 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. Capability Range: Advanced While those work great on an automobile, you likely won't begin to get these marine installations setup with a handheld. The engine floods and it is embarrassing when leaving a lock. I thought about adding some sort of extra protection but never did. Installed the sniper/MSD combo on my mildly built 460 KEM. JavaScript is disabled. Otherwise I have to check for a place in my gasoline tank to put the lines in. The clamp-on that came with mine wasnt a good fit on my 2" pipe. EFI EFI kit electronic fuel injection. The Ford 2300 engine uses a Holley carburetor, but it is in fact a licensed copy of a 32/36 Weber. If the indicator reads "LOW Err" double check the connection to the CTS. Ref: https://www.holley.com/products/fuel_systems/fuel_injection/sniper_efi/I heard of the new Sniper EFI from some chatter on OffshoreOnly.com. Holley 554-100 NTK Wideband Oxygen Sensor. I did--- Save your money and piece a fuel it together. 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. AFR was 19 area. Stock manifolds? Maybe going all the way to the front is the way to go? The basic kit comes with the TBI unit, touchscreen controller, water temperature sensor, a wideband oxygen sensor, and all the necessary wiring. Oxygen sensor: It's perfectly OK to share narrow band oxygen sensors with the stock ECU. Anyone have a good place to find a genuine Bosch O2 replacement sensor without paying $110? I have also picked up another .5 gallons per hr to about 9.25 gph. Mine is right where Steamers is, and works well with my AFI TBI. I tried holley tech support, no answer and put on hold for hours. Right now I'm just using the AEM Wideband sensor to monitor Air/Fuel ratio but hope to use it in an EFI system soon. I have searched thru the forum as much as I can, with not much luck. My first install was on a stock manifold and I installed it in about the same spot Steamer (above) did, except 180 degrees the other way, facing towards the front of the vehicle. I had an injector fail after a month of running and called the tech line who helped me figure that out. 5. Had to replace the oxygen sensor on my car for the terminator x after the original one failed and this fixed all my problems. Taipei has dozens of world-class restaurants where gourmets can sample the most authentic Chinese cuisines. 2023 Holley Performance Products, Inc. All Rights Reserved. There are drawbacks to that (as your tuner can explain in more detail) but it is doable, provided the system is correctly tuned initially. For the most part, the small harness is plug-and-play. Fuel economy went from 12.5 to 13.5 gph to 10 gph. Sniper EFI Installation Guide. The plan is to 'learn' a fuel\Timing curve with a closed loop. Prime cannot be adjusted on this old unit. Note, that is not a crack in the exhaust manifold, just a shadow from a casting flaw. 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. He is a wizard, might be able to give you some pointers, will ask you what version of the software you are on, whether you're running the progressive adjustable linkage, etc. A third option would be to run your EFI system without an O2 sensor at all. the engine not running. Full time feedback from the sensor is what the computer uses to refine the fuel table. Phil said water would still get up over the snail and knock out the sensor. Copyright 2017 Cyberspace Automotive Performance, Inc. All Rights Reserved. The right side o2 was obviously reporting a fat 10.3 afr as a result, but the car still went 139mph, LOL. Will I be able to control my ignition timing with the Sniper? 02/25/2020. I stopped by Bergeron on my way back to the lake, and he said they have never found a good way to run O2 sensors in a marine exhaust. One of the most common causes of poor idle is improper O2 sensor placement or trying to run closed loop at idle . Ive got a set of bassett headers for a BBC, ill see if they can fit under the transom. Emissions. One of the benefits of using any Holley EFI system is that it self learns and tunes on its own. Its the Holley Pro Jection TBI mentioned by the above poster. Part# 554-155. Holley EFI Usb/Can Harness, Sniper Tbi. excessively rich mixtures), Mechanical shock (e.g. Add To Cart. 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? . Apr 13, 2017. with the extension. Doesn't look like it will have an O2 sensor. B/c what it sometimes perceives as a lean spike is actually raw fuel with no oxygen. . No worse than taking the reading in the intake manifold cross over. The first thing to consider here (if you are in the USA) is US Coast Guard (USCG) Safety Approval. Followed all the instructions to the letter. My Lightnings have a bung welded through the water and into the dry exhaust area at the collector. Adam. Hello Chris,Ontario's boating season is about to launch for another year.Do you have any good news to add to your above article, any new marine friendly TBI products?In '08,I installed a Holley 21-700 TBI with the o2 mounted in the manifold to Holly specs.
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