As far as warranty goes, Holley products are covered by a 90-day warranty against defect in material or workmanship. By Joshua C on August 10, 2021 | Verified Owner, Worked right out of the box. I will keep the in-line pump for a spare. If you have long tube headers, mount the sensor approximately 6-10" after the collector. Its the Holley Pro Jection TBI mentioned by the above poster. $119.95. AFR was 19 area. George Place the Sniper EFI throttle body on top of the new flange gasket on the manifold. Sniper throttle body linkage opens all four barrels evenly when you depress the throttle. Any word on this? The first thing to consider here (if you are in the USA) is US Coast Guard (USCG) Safety Approval. Tech Resources. I mounted it here attempting to protect it from the deep water I play in and from lots of branches I encounter. But you've found the right one for your Holley Sniper EFI System OR your Terminator X EFI System. The spark must be manually tuned. Those "flames" are still consuming O2 that would otherwise not be read by a sensor in the correct location. The Sniper EFI throttle-body drops in place of your . Bolt on 4150 Flange Carburetor Replacement. 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. $43 per night (Latest starting price for this hotel). watch the values in the software for the o2.. once is is done "Heating" and starts to show AFR, wrap the rag round it. EFI EFI kit electronic fuel injection. Use a return fuel line. Anyone ever converted a 1987 3.7L 4cyl Mercruiser engine to EFI. Replacement Sniper and Terminator X O2 Sensor. EFI Systems based on Holley's world-class Dominator and HP ECU's. 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. Now the lower cost Holley Sniper advertised for March 31 2016. I bought a new holley sniper , dual sync dist., coil, and holley in tank fuel pump, When engine got hot it would go crazy. This really applies to any O2 sensor regardless of EFI system. Menu. That would be for individuals that run the OEM exhaust manifold, as well as individuals that run headers. A replacement clamp on would be an easy change out. The latest is the new Holley Sniper EFI touted as a true bolt-on self-learning carb replacement. But you have to get it tuned. Have you visually verified that all your injectors are spraying? Has been since the 80's. Welcome to Club Cobra! What Is Pinion Offset, And How Does That Affect You? Running? Thanks for the heads up. For gourmands, night markets not only offer scrumptious small . 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. We use cookies to enhance your experience while using our website. #1. The light shines in the darkness, and the darkness has not overcome it. There is no problem getting this tuned and then running open loop. so simple check first, whats the fuel pressure? 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. Sensors: Fitting: Threaded O2 . My question is concerning what happens a year later, when I have a top-end swap . 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. Wiring the Holley Sniper EFI system is equally easy. I installed the adapter and elbow so it's at an angle above the entry point. Make sure to put anti seize on the threads. Followed all the instructions to the letter. Supports up to 650hp with Four 100 Lb/Hr Injectors! I have tried several different settings to get it going, no luck. Anti-Seize pre-applied to sensor threads. Was told by holley tech support to make adjustments to the fuel prime percent and multiplier settings, played with those with no major improvement. You are using an out of date browser. I am happy with Holleys no hassle replacement of the parts. He had one there that was run on a dyno then the fuel map was set and shipped back. Brass adaptor designed to install heated oxygen sensor in water-cooled marine exhaust risers. 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. turn on the ignition.but do not start the engine. 534-199. looking at doing the same. I've seen O2 sensors in water jacketed headers that have worked fine for years. That sounds like one solution. I recommend popping for the Master . Did you use the Holley fuel pump and have you had any issues with it? Holley Sniper EFI Wideband Oxygen Sensor. By bypassing the built in pressure regulator in the fuel module(allowing full flow and pressure), using 3/8 hard lines to/from the sniper to meet CG rules( no soft lines on the engine block)using the snipers fuel pressure regulator, This is as close as I can come to safe. 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. Newer ECMs have all the options to configure these functions. I am in the middle of a repower of twin BBC 481, mild cam which will need to be recarbureted. Phil is right. If you are not running the latest software stop guessing and go download it. No matter what I do, it will not start. What motor is this on? I tried holley tech support, no answer and put on hold for hours. Holley Sniper EFI Self-Tuning Kit - Black Ceramic Finish. I thought about adding some sort of extra protection but never did. Systems that were already designed for marine efi. Homemade body parts replace the originals as they rot away but it's a 40 on the inside. YES! Yeah, it may sound hokey to some, but is just one option to solve the issue where you are and with what you have. 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. Advanced throttle body injection systems capable of transmission control and more. Restore | Make | Philosophize | Eat | Drink | Be Happy | Let's Go Brandon! Service Oxygen Sensor for Sniper EFI Systems, Service Oxygen Sensor for Terminator X Systems. 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. My Lightnings have a bung welded through the water and into the dry exhaust area at the collector. Specs. Holley EFI Oxygen Sensor. Even if you are the sort to sort of shrug off safety regulation, consider that if there is an accident that results in a loss and an investigation, failure to follow applicable USCG regulation could result in either financial or legal liability, not to mention the rejection of insurance claims. He knows his stuff, gets back quickly to you, etc. I have not gone back in to try to fine tune them. 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. Copyright 2022 Holley Performance Products, Inc. All right reserved. An adapter harness is available to connect this distributor directly to the Sniper EFI throttle body. 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. functioning controller during engine operation. Some logs have water up to just short of the port. GA - As close to the lake as I can afford A powerful, MICRO BlueTooth in dash audio solution! 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. Add To Cart. Will I be able to run both systems off of one fuel pump? I received my replacement TPS and O2 sensor. Q1. Incense-veiled temples with exquisite carvings and paintings dating back to dynastic times blend seamlessly in streets of the modern city. Q2. I don't have enough experience with marine applications to know exactly what it will take to solve this. Thanks for that, Danny. Since your existing low-pressure fuel system is not going to work with the Sniper EFI System this puts you in the unenviable position of choosing between USCG compliance or EFI. Everything is included to completely plumb your fuel system including; 20 feet of 3/8" EFI Hose, in-line fuel pump, post and pre fuel filters, return bulkhead, and all of the necessary fittings and hardware. 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. Everyone else was backordered several months. 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. Full time feedback from the sensor is what the computer uses to refine the fuel table. Initial Calibration in Basic Configuration. For complete information about the cookies we use, data we collect and how we process them, please check our, actual instructions in flowcharting are represented in, Why Is Dave Blankenship Not On Oak Island Season 8, rhode island groundwater classification map. My boat is still in winter storage. A 90-degree V-6 has three shared crankpins set 120 degrees apart. Brand: Holley EFI Emission Code: 4 . 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). Stay up to date with the latest releases, events, promotions and more. 1985 fj60 (sold back to Toyota), 1997 fzj80, 1971 fj40 with 75 2F. 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. This site uses cookies to help personalise content, tailor your experience and to keep you logged in if you register. I'm about to embark on the same type of project. If this could be disabled it would be much better. It is possible for the ECU to have an internal failure that can kill O2 sensors. Late to the party but here's where mine are installed. 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. 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. I'm using the NTK sensor. Ran about 5 seconds and died. I have installed the Holley hp efi MPFI on my twin inboard mercruiser 350ci 270 hp. 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. 2. I'll let you know how it works out. Looking for some advice pertaining to Holley Sniper and Tire Size upgrades. Thanks for the feedback on this adapter, Donald. It will crank and run great for 2-15 seconds then die. I have a 74 bronco, 302, mild cam. One example of a direction could be an adjustable timed delay-on injector-power relay in the injector power feed wire, delaying 1-second after key-on or whatever is necessary to bypass the prime shot time, only. PRO's: Wideband O2 sensor harness is longer, allowing easier connection and routing. My bet based on longer pump run, to make pressure, you have a leaking injector. Part # 554-155. Holley recommends a 3/8" fuel supply line. KAYAK searches hundreds of travel sites to help you find and book the hotel deal at O2 Hotel Taipei Main Station that suits you best. VerticalScope Inc., 111 Peter Street, Suite 600, Toronto, Ontario, M5V 2H1, Canada. Without Headers Steamers location (above) is perfect, up close to the engine where you have not lost much heat. For a better experience, please enable JavaScript in your browser before proceeding. Pricing was reasonable, shipping was prompt and Chris helped me with a wiring question during my install. Sniper EFI Releases new Stealth 4150 Models! Capability Range: Moderate A forum community dedicated to performance boat owners and enthusiasts. http://s621.photobucket.com/albums/tt291/Mark11530/?action=view¤t=MAH05771.mp4, http://www.holley.com/data/Products/Technical/199R10226.pdf. Holley Oxygen Sensor O2 Bung Weld-In Style; Larger Image. I will be calling around to see if I can find someone to help that has experience. Ive got a set of bassett headers for a BBC, ill see if they can fit under the transom. So far so good. I've installed several of these adaptive EFI's on cars with great success. Advertising . Add to Cart . Copyright 2017 Cyberspace Automotive Performance, Inc. All Rights Reserved. Apr 13, 2017. with the extension. pull the sensor out of the exhaust. The Holley Super Sniper High Performance EFI kit comes with a coolant temperature sensor and an O2 sensor, both of which must be used for the EFI to work properly. $108.95. Holley has a pump almost identical in size to the OEM pump and it's not difficult to change. 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. Maybe my manifolds leaked the inside between the snail and the log?? I took my time soldered every wire connection and routed all the wires carefully to avoid any emt issues. While these base maps are generally quite good for cars they are going to be pretty far off in the case of marine applications. Capability Range: Advanced ), https://www.ebay.com/sch/i.html?_froensor&_sacat=0, https://www.amazon.com/Bosch-Automot1296929&sr=8-3, https://www.efisystempro.com/wbo2-seer-tbi-554-155, https://forums.holley.com/showthread2927#post82927. 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. They are the only ones got me a holley usb to can cable fast. 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. If you let it cool down again, does it start up fine? 2014 FJ Cruiser - White - 4X4 - Loaded - . Aftermarket headers are pretty much the only safe way to run an O2 sensor. I have about 30 hrs on the unit and it just keeps getting smoother with every hr of run time. It's fast, simple and absolutely free. Also some tips on preventing O2 sensor damage What I don't want to do is spend more money on the headers than on the fuel injection upgrade and new propeller set. 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 hos. #3. 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. Part# 550-511. Replacement Sniper and Terminator X O2 Sensor, This part is legal for sale or use on Racing Use Only Vehicles. 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.). 92 YJ 4.0, AX-15 5spd, np231, dana 30 front, dana 35 rear. I would back-burner the ignition control questions until you get the fuel injection working. Oxygen sensor: It's perfectly OK to share narrow band oxygen sensors with the stock ECU. I'm looking for some more practical and scenario-specific advice; that's one small piece of it. Brass adaptor designed to install heated oxygen sensor in water-cooled marine exhaust risers. Have to replace head gasket. Description. 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. I have also installed a sniper system on a 350 Mercruiser and was wondering if you have done any tuning on yours yet? Next, the new unit was installed onto the manifold. 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. If you call, they usually let you put in your name and they get back to you. Pink switched power wire, this needs to be connected to a point that is 12V in run and while cranking. Here is one on start up tuning. Is this a viable upgrade for my boat? The very front would be the safest place. $5 Off Your $100 Mobile App Purchase . Sorry for the late reply, Douglas. No one cares about your buddies old antiquated garden hose technology. 3. The sniper fit perfectly on the intake. This is made by Innovate, the guy that runs the Holley EFI forum HIGHLY recomends AND uses them himself, I use them, my o2 on my wideband Innovate, kept going bad, a 4.2 Bosch o2, put this on both my Holley HP NTK sensor & the wide band, been 2 years now & lots of driving, all good, Heat-Sink Bung Extender (HBX-1) - P/N: 37290 The right side o2 was obviously reporting a fat 10.3 afr as a result, but the car still went 139mph, LOL. To my knowledge, there is no aftermarket EFI fuel system suited to fuel the Sniper EFI system that exists on the market. Innovate Motorsports HBX-1 Bung Extender. I want to register an account for free right now! . Holley Sniper EFI Oxygen Sensors 554-155 I am a competent mechanic and I have checked all the usual suspect items. Wherever you go, the cultural kaleidoscope of Taipei showcases exhilarating diversity. He had one there that was run on a dyno then the fuel map was set and shipped back. Wideband Oxygen Sensor Extension Cable. Good luck! You should then have at least 18-24" of pipe after the sensor. 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. In order for it to work as designed the O2 sensor has to be installed in a dry exhaust system and needs to be placed 1-10in from the collector in the headers. Even though you now have the USCG-approved Sniper EFI System as an option for your new EFI System you're not quite out of the woods yet. Oxygen Sensor is sold separately.Adaptor should be installed in a flat area of riser at least 6 before water blends with exhaust. Robust, feature-rich multi-port EFI systems offer easy plug-and-play late-model V8 engine swaps. Just a rumor. Seemed to be getting too much fuel on hot starts and flooding out, could get it to go by putting it to the floor while cranking as Action mentioned. 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. Free Shipping - Holley Sniper EFI Oxygen Sensors with qualifying orders of $99. Is this a good upgrade? Got a picture? Bolt-on carburetor style EFI for your classic car or truck. If you are using our Services via a browser you can restrict, block or remove cookies through your web browser settings. 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. Add To Cart. For now I have a genuine bosch O2 and Standard Automotive TPS installed. Part # HM206. EFI System Pro also has a good bit of tech info on their website. blue doberman puppies. Capability Range: Advanced On EFI systems such as Holley's Sniper, all of the EFI sensors (except for the O2 and coolant temperature sender) are mounted snuggly in the throttle body. Well an update on the Sniper install. 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. Register now for free!) Runs like a champ now. Do you offer a USCG fuel pump kit? Master ASE tech since 91. May 19, 2021. An update from Al:After installing them I used the auto tune program on the Holly HP V4 software and they are working great. 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 wouldn't say "never", but the last time I asked that specific question I was told it wasn't anywhere on the horizon.
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