Mine is right where Steamers is, and works well with my AFI TBI. I have not had it on the dyno with the sniper, but would guess probably about 400 to 410 hp and well over 500 tq.I did use the holley pump that came with the sniper. 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. Douglas Cline. WBO2 Sensor 17025 Bosch 554-155 Holley - EFISystemPro.com Miami, FL. . I've installed several of these adaptive EFI's on cars with great success. Yellow Init In First shown for an instant when the system is powered on. But you still risk a little water running back at low Rs. Please consult the Holley Sniper full manual and use this guide for supplemental clarification. 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. 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. Sep 14, 2021. So please, If you have problems registering or can't log into your account, please. They are the only ones got me a holley usb to can cable fast. That sounds like one solution. If you're thinking that you've read everything above and are ready to toss the carb on your marine engine then take this handy quiz to make sure! Has been since the 80's. Im almost at your exact same setup on a Redline 460/Berkeley pump but waiting to pull the trigger on the Sniper until I can pinpoint exactly where I can install the o2 sensor without the wet exhaust damaging it. Its the Holley Pro Jection TBI mentioned by the above poster. Never tried it myself or know anyone fwho has, but Little kids play hooky . big kids play. Replacement Sniper and Terminator X O2 Sensor, This part is legal for sale or use on Racing Use Only Vehicles. You shouldn't feel too bad about that lack of knowledge, because many boat owners either don't realize that the moisture present in their wet exhaust manifold will kill the wideband O2 sensor required by an EFI system. John 1:5, 1969 FJ40 2F with Holley Sniper EFI, Power Disk Brakes Front & Rear, Downey, Your post has peaked my curiosity. *Free Shipping & Handling only offered to the contiguous US on orders over $100, excludes clearance parts and oversized packages. Or maybe I could just use a piece of spare/junk exhaust tubing, and bolt it to the manifolds and add a weldless O2 bung to it. What Is Pinion Offset, And How Does That Affect You? 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. Good luck! The Fora platform includes forum software by XenForo. Fuel economy went from 12.5 to 13.5 gph to 10 gph. . Note, that is not a crack in the exhaust manifold, just a shadow from a casting flaw. Holley EFI Oxygen Sensor. Ordered another dominator Bosch from Holley and it matches perfect. Other countries likely have simmilar approval processes for marine engines. Had to replace the oxygen sensor on my car for the terminator x after the original one failed and this fixed all my problems. By Joshua C on August 10, 2021 | Verified Owner, Worked right out of the box. http://forums.holley.com/showthread.ension-Harness, http://forums.holley.com/showthread.4388#post54388, If this is your first visit, be sure to Register now for free! 10 min read. Other? George Place the Sniper EFI throttle body on top of the new flange gasket on the manifold. O2 Sensor in a boat exhaust | Performance Boats Forum It would cost considerably more but a second option that would have added performance benefits would be to switch to a dry manifld such as the headers available from Custom Marine, Inc. Holley EFI Oxygen Sensor. 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. Then they had it repaired and back to me in 5 business days. Just a rumor. you don't want to read that loss. Idle and off-idle performance (particularly as the engine goes into gear.) Maybe my manifolds leaked the inside between the snail and the log?? Tune the delay relay timing to just miss the prime shot.For cold starts, a simple push-button or switch "choke" override to power the relay during prime would provide it. 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. EFI EFI kit electronic fuel injection. Robust, feature-rich multi-port EFI systems offer easy plug-and-play late-model V8 engine swaps. 5. Jun 7, 2021. 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. 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. Register now for free!) Increasing efficiency is always a good idea. Aug 17, 2013. In this case, the prime shot is good for cold, but too much for warm. 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. I'm 3" down from the bottom of the flange to center of bung. I'll let you know how it works out. While those work great on an automobile, you likely won't begin to get these marine installations setup with a handheld. Price Point: $$$. I am in the middle of a repower of twin BBC 481, mild cam which will need to be recarbureted. If a cruiser with enclosed engine compartment, not a lot you can do to eliminate water or at least water vapor in the exhaust. Part# 554-155. An adapter harness is available to connect this distributor directly to the Sniper EFI throttle body. If you call, they usually let you put in your name and they get back to you. The Sniper EFI could very well be one of the easiest to set-up fuel injections systems ever. All times are GMT-6. #1. I've got the Howell EFI adapter installed in the riser of some standard Inboard Manifolds and it works great. I am a competent mechanic and I have checked all the usual suspect items. Q1. Items 1 - 21 of 21 Items. Held finger over IAC and it ran better, the thing was just wide open all the time and had nothing to suck. Price Point: $$, EFI Systems based on Holley's world-class Dominator and HP ECU's. Everyone else was backordered several months. is donald smith still alive; julie grant court tv cheerleader Installed a Lokar throttle linkage bracket custom made for the Sniper, removing the old one that had been on my Holley 750. . The original Holley Sniper instructions are available on the Holley website if you have misplaced them. Oxygen Sensor is sold separately.Adaptor should be installed in a flat area of riser at least 6 before water blends with exhaust. Stay up to date with the latest releases, events, promotions and more. 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. In a horizontal or if pointed upwards it can collect exhaust condensation liquids upon start up. Then if that doesn't work call the tech line they are great! Holley Sniper EFI Returnless Master Kit - Black Ceramic But it is going to be a little tricky. Installing Holley Sniper EFI on a daunting, odd-fire V-6: Part 1 Most water jacketed header manufacturers (Lightning, CMI, etc) will install 02 bungs in their headers for extra money. (probably with the edelbrock marine 2506 intake). Your talking flames at that point, and it will definitely have an effect on the reading. No prime, but a second later it's ready to crank 'normally'. I am happy with Holleys no hassle replacement of the parts. This boat has a non-vortech motor with a 2 bbl gm intake i'll need to replace. Categories. I didn't read all this, but yes, the EFI system can be run without a WBO2 sensor. The new Exhaust manifolds will have wideband O2 bungs for tuning. $43 per night (Latest starting price for this hotel). Marc, you don't mention which system you installed but the Holley systems are fully configurable. Make sure to put anti seize on the threads. Phil said water would still get up over the snail and knock out the sensor. Similarly, no multi-point fuel injection (MPFI) systems existed that were USCG approved. I do agree if he can get it tuned prior to fouling he can lock that tune and run in open loop. Are you holding your RPMs back with the MSD for some reason? the motor has the following mods, Aluminum heads, Performer intake, Sniper and MSD ignition module. Visit their website for more details. Why? 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. If you have long tube headers, mount the sensor approximately 6-10" after the collector. Copyright 2017 Cyberspace Automotive Performance, Inc. All Rights Reserved. 29. Thanks for the feedback on this adapter, Donald. 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. The ones in the Bosch box come without warranty. Now the lower cost Holley Sniper advertised for March 31 2016. Capability Range: Advanced This completes the basic installation of the Holley Sniper EFI 4150 Super Sniper 1250/650 kit. 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. In this video Holley's own Tom Kise explains oxygen sensors and where to place an 02 sensor bung in your exhaust. 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. CUSTOM ART FOR CUSTOM NEEDS. Copyright 2022 Holley Performance Products, Inc. All right reserved. Sensors: Fitting: Threaded O2 . 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)? Note that this is a different sensor than Holley uses for their Dominator/HP/Terminator/Avenger series. Is this a viable upgrade for my boat? Emissions. *Free Shipping & Handling only offered to the contiguous US on orders over $100, excludes clearance parts and oversized packages. For now I have a genuine bosch O2 and Standard Automotive TPS installed. a leading manufacturer of aftermarket Wideband O2 sensor kits, the following may damage or destroy oxygen sensors: . I installed the adapter and elbow so it's at an angle above the entry point. 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. I have twin 502 factory fuel injected Mercs and want to go to adaptive EFI. 534-199. Not sure how well the sensor likes being that close to the port. Some parts are not legal for use in California or other states with similar regulations. pull the sensor out of the exhaust. Full product line and accessories at excellent pricing. I have installed the Holley hp efi MPFI on my twin inboard mercruiser 350ci 270 hp. non biased Shelby Cobra related site! I recognize that it would be an absolutely tremendous investment, but based on the overwhelming response we get to this post I am pretty confident that the market is there. Maybe going all the way to the front is the way to go? It does not work with the Sniper EFI oxygen sensor. JavaScript is disabled. Systems that were already designed for marine efi. Bolt-on carburetor style EFI for your classic car or truck. Looking for some advice pertaining to Holley Sniper and Tire Size upgrades. I thought the clamp on style mount was a good idea in case the threads got buggered up when a sensor change might occur, and the threads are rusted up by then. Have to replace head gasket. Oxygen Sensor, Replacement, Sniper EFI, Terminator X, 3-wire, Thread-in, Each See More Specifications | Check the Fit. Be sure to disable autotune and remove the O2 sensor before it dies. Wondering how you are progressing with this? Followed all the instructions to the letter. Sniper EFI 2300 Marine. If I am reading your post correctly you are using two separate o2 sensors when using headers ? YES! Sort. I have a 74 bronco, 302, mild cam. Thanks for that, Danny. My Lightnings have a bung welded through the water and into the dry exhaust area at the collector. Sniper EFI Quadrajet Marine. 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. What motor is this on? Greatest struggle is the shift interrupt. The Sniper EFI master kit contains the most complete EFI fuel system on the market. 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. Hopefully this one lasts longer than the original. Can more detail be provided? The Sniper will do that. The fuel module is self contained with water jacket cooling and contains the low and high pressure pumps. A forum community dedicated to performance boat owners and enthusiasts. 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. 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). Who knows. The oxygen sensor should be mounted at a point where it can read a good average of all the cylinders on one bank. functioning controller during engine operation. looking at doing the same. The wiring was a bit of a mess. 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. Welcome to Club Cobra! The engine floods and it is embarrassing when leaving a lock. 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. Add To Cart. Replacement Bosch Wideband Oxygen sensor for Sniper EFI and Terminator X systems. It only runs rich on start up for a second due to the prime, after start it runs great. On my system, I machined in the O2 sensor right between the snail and the manifold of a . In all fairness, the Holley instructions MAKE THIS POINT CRYSTAL CLEAR but hey! *Possible delays due to Covid-19 click for more information. Search for O2 Hotel Taipei Main Station discounts in Taipei City with KAYAK. Add to Cart . Holley EFI has the solutions you need to get your project up and running better than ever! What I don't want to do is spend more money on the headers than on the fuel injection upgrade and new propeller set. Let me know how I can be of assistance. 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. No worse than taking the reading in the intake manifold cross over. 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. 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. In Stock. Advertising . Welcome to ClassicBroncos! It is possible for the ECU to have an internal failure that can kill O2 sensors. That is defacto step one in trouble shooting fuel injection systems. From there, our highly trained factory refurbish technicians flow the original fuel injectors. JavaScript is disabled. This page was generated at 08:35 AM. Classifieds - Engine/Transmission/Transfer Case, BJ42 | FJ43 | BJ44 | FJ45 | FJ45LV | HJ47, North American Clubhouses - Central Region, CA.AB- Rocky Mountain Land Cruiser Association, CO/WY- Horsetooth 4 Wheelers Cruiser Club, TX- Lone Star Land Cruisers - Austin Chapter, TX- The White Trash of the Elwood Chapter, CA.BC- Okanagan-Similkameen Land Cruisers, NV- Battle Born Cruisers of Northern Nevada, Vendors: Accessories - Electronics - Recovery. Thinking about this I think this will work very fine! I also capped off the regulated return line with a hose, clamps, and chamfering bit. 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. It appears that its a tuning issue. i thought about it, but after $3400 on an EFI alone and an entirely new rigged boat Im having a hard time forking out another 2000 for an exhaust when I may just do an open loop My buddy machined up a set of spacers I sketched out for him. The World's largest Can anyone share their experiences with this type of setup? Has anyone run an O2 sensor in an EFI on a marine engine? Conditions when closed loop o2 should be turned off. Customer Rating: 4.3 out of 5 stars: 4.5 out of 5 stars: Go to the web site and it will explain the installation it is very simple and works well.As for the rpm you are comparing to completely different animals (pumps). Note the temperature sensor mounted on the back of the driver side head in the above photo. OP, the Edelbrock system looks to use the same basic sensors as the Holley sniper system: TPS, MAP and O2, plus a few supporting sensors. I took my time soldered every wire connection and routed all the wires carefully to avoid any emt issues. Taipei has dozens of world-class restaurants where gourmets can sample the most authentic Chinese cuisines. You will need an O2 sensor to measure fuel needs, but it could be tuned manually like in the old days. Taking a look at the holley manual I am thinking about drilling and tapping the front exhaust port on the log for the O2 sensor. check out the. I will let you know what happens. Price Point: $$, Robust, feature-rich multi-port EFI systems offer easy plug-and-play late-model V8 engine swaps. 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. So I bought the progressive linkage but you then have . I've been building a TBI system from GM parts to use on a 1987 Wellcraft with the Mercruiser 4 cylinder engine. This product works with Holley EFI wideband oxygen sensors, part numbers 554-100 and 554-101. The following vehicles are considered Racing Use Only Vehicles: Holley is the new standard in EFI! Newer ECMs have all the options to configure these functions.

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