Other? ), 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. Dec 28, 2016. The target A/F value based on load or MAF cfm, and engine speed. EFI Systems based on Holley's world-class Dominator and HP ECU's. Car runs perfect . Some logs have water up to just short of the port.
Installing Holley Sniper EFI on a daunting, odd-fire V-6: Part 1 Holley Sniper - Oxygen Sensor Location | IH8MUD Forum Price Point: $, Advanced throttle body injection systems capable of transmission control and more. Make sure to put anti seize on the threads. By Joshua C on August 10, 2021 | Verified Owner, Worked right out of the box. Welcome to Club Cobra! 2023 Holley Performance Products, Inc. All Rights Reserved.
Troubleshooting Holley Sniper that hesitates on acceleration I have tried several different settings to get it going, no luck. p.s. The Sniper EFI master kit contains the most complete EFI fuel system on the market. 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. But you still risk a little water running back at low Rs. Wiring the Holley Sniper EFI system is equally easy. Oxygen (O2) Sensor - Is an electronic device that measures the proportion of oxygen (O2) in the exhaust gas. Hopefully this one lasts longer than the original. Miami, FL. Holley Sniper EFI Oxygen Sensors 554-155 My spare "Bosch O2 Sensor" came from eBay & was half the price of anywhere else I found. Followed all the instructions to the letter. EFI Systems based on Holley's world-class Dominator and HP ECU's. $5 Off Your $100 Mobile App Purchase . 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. Shop Oxygen Sensors at Summit Racing. I installed a holley sniper kit. Price Point: $$$. Finally, do you also recognize that the self-tuning feature of the Sniper EFI may not result in an acceptable configuration for your boat and, as such, may require you to seek professional tuning? You are using an out of date browser. looking at doing the same. Found out that it was due to rfi/emi. He had one there that was run on a dyno then the fuel map was set and shipped back.
O2 sensor failure on a Holley Sniper EFI - YouTube Emissions. 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. Sensors: Fitting: Threaded O2 . (probably with the edelbrock marine 2506 intake). If you are not running the latest software stop guessing and go download it. I have a local customer with a pair of big blocks in his offshore boat that is eager to get started on this. Can anyone share their experiences with this type of setup? Do you recommend in-tank or external fuel pump? Q1. Maybe this one has a shorter cable? Supports up to 650hp with Four 100 Lb/Hr Injectors! Affiliate. 100% identical.
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. Full product line and accessories at excellent pricing. What Is Pinion Offset, And How Does That Affect You? The ones in the Bosch box come without warranty. Add To Cart. Waiting for spring to put back together. Sniper EFI 4bbl Marine. 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. The O2 sensor burned out immediately. Fine tuned the timing to 12-15 degrees. (REGISTERED USERS DO NOT SEE THIS POST/AD! Copyright 2022 Holley Performance Products, Inc. All right reserved. Let me know how I can be of assistance. 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. 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. The World's largest
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. . But you've found the right one for your Holley Sniper EFI System OR your Terminator X EFI System. I bought a new holley sniper , dual sync dist., coil, and holley in tank fuel pump, When engine got hot it would go crazy. I didn't read all this, but yes, the EFI system can be run without a WBO2 sensor. Part # 554-155. 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. 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. 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. Find a lower price anywhere and we'll beat it by 5%! If I am reading your post correctly you are using two separate o2 sensors when using headers ? On my system, I machined in the O2 sensor right between the snail and the manifold of a . I thought about adding some sort of extra protection but never did. 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. Oxygen Sensor, Replacement, Sniper EFI, Terminator X, 3-wire, Thread-in, Each See More Specifications | Check the Fit. 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. That sounds like one solution. Incense-veiled temples with exquisite carvings and paintings dating back to dynastic times blend seamlessly in streets of the modern city. Ideally I'd want the power plant running as efficiently as possible, but I'd sure like the benefit of EFI over carb. Yes, this is going to be an added expense, however, it will help guarantee your success. He had one there that was run on a dyno then the fuel map was set and shipped back. The spark must be manually tuned. 2014 FJ Cruiser - White - 4X4 - Loaded - . What exhausts are the best? Search for the cheapest hotel deal for O2 Hotel Taipei Main Station in Taipei City.
Holley sniper efi error 21 - bqfoki.lesthetiquecusago.it (If I am incorrect I heartily invite your comment at the bottom of this article!) well I have installed the Sniper on my 460 KEM (Ford) marine motor. Greatest struggle is the shift interrupt. 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. If he wants to run in closed loop and have the system adapting to conditions at all times, the minute he fouls he is dead in the water. Using the throttle body's fuel pressure regulator will require a 5/16" fuel return line to the tank. So there is at least some probability of success. Any exhaust down at engine level or lower will definitely get at LEAST some steam. Stay up to date with the latest releases, events, promotions and more. Sniper EFI Installation Guide. I will let you know what happens. Thanks for the heads up. My question is concerning what happens a year later, when I have a top-end swap . An update from Al:After installing them I used the auto tune program on the Holly HP V4 software and they are working great. CUSTOM ART FOR CUSTOM NEEDS. Add to Cart . Here is one on start up tuning. But you have to get it tuned. To close this one out, below is a photo of where I installed the O2 bung. If it's working to prolong the life of the sensor in the AEM Wideband kit then there is no reason to believe it wouldn't work with any other sensor. Anybody got a good 270hp 350 tune yet?I installed sniper efi on my boat runs good but feel like the wot should be better need to get the sniper controlling spark is my thoughts the old thunderbolt is either not great or timing wasn't right when I bought the boat but she runs great I just think this engine has more in it then I'm getting out of it at this time any tuning and timing advice would be great considering I'm awesome with carb n hei diet but new to efi and boat timing curve but not an idiot so I say. Holley Sniper EFI Self-Tuning Kit - Black Ceramic Finish. Customer Rating: 4.3 out of 5 stars: 4.5 out of 5 stars: Part# 554-155. The oxygen sensor should be mounted at a point where it can read a good average of all the cylinders on one bank. Is the O2 sensor on the dyno must have a very long pipe extending past where it is positioned or backwash from the room air will violate the readings as well as any header leaks. The problem is with the Holley computer when you turn on the keyit squirts a prime for a split second. EFI EFI kit electronic fuel injection. 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. - The sales brochure refers to Integrated Ignition Timing Control and Coil Driver. I received my replacement TPS and O2 sensor. I think I could run more boost but it's a real hand full right now.
Welding in an O2 Sensor Bung for a Holley Sniper EFI System I would send an Email to Chris at EFIsystempro. Sadly, no. I have also installed a sniper system on a 350 Mercruiser and was wondering if you have done any tuning on yours yet? 02/25/2020. Prime cannot be adjusted on this old unit. 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. I'm using the NTK sensor. MAP Sensors. It doesn't even mean that you can't do it. Wideband Oxygen Sensor Extension Cable. You will need an O2 sensor to measure fuel needs, but it could be tuned manually like in the old days. O2 Sensor Mounting: The O2 needs to be mounted 6-8" after the merge in the header collector.
We Test It: Holley's New Sniper EFI - MotorTrend Part Number: 510-554-155. If you've done some automotive fuel map tuning before, you can likely overcome this challenge.
Holley sniper issues - 1969-70 Technical Forum - 69stang.com and 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. Wondering how you are progressing with this? 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. Has anyone run an O2 sensor in an EFI on a marine engine? Holley 554-100 NTK Wideband Oxygen Sensor. EFI System Pro also has a good bit of tech info on their website. 3. What I don't want to do is spend more money on the headers than on the fuel injection upgrade and new propeller set. Features: . replaced my original terminator x sensor that was mounted in an exhaust that took on some water and killed the original sensor. My hand is holding the connector to the sensor. Then if that doesn't work call the tech line they are great! Have engine apart and head checked and cleaned at machine shop. The adapter will be fastened in both metal parts so that no water will reach the O2 sensor. Option 1 is to purchase and install one of the Holley EFI Dual-Sync Distributors on your engine. I recommend popping for the Master . There is no problem getting this tuned and then running open loop. I have a boat with twin 3.7 Mercruisers. The Tech Tips and discussions are also great! 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. Restore | Make | Philosophize | Eat | Drink | Be Happy | Let's Go Brandon! I do agree if he can get it tuned prior to fouling he can lock that tune and run in open loop. 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. The right side o2 was obviously reporting a fat 10.3 afr as a result, but the car still went 139mph, LOL. I am a competent mechanic and I have checked all the usual suspect items. Welcome to ClassicBroncos! Was in marine engineering for years.
Explained: Holley EFI Sensors and What They Do Initial Calibration in Basic Configuration. :-), I started using OMC and Volvo Penta pumps for my conversion. One workaround was to leave it in gear and slow to a stop and push the clutch as RPMs drop . That's great--we look forward to your results! Was told by holley tech support to make adjustments to the fuel prime percent and multiplier settings, played with those with no major improvement. While those work great on an automobile, you likely won't begin to get these marine installations setup with a handheld. Capability Range: Moderate I've dunked mine lots of times.
Oxygen Sensor is sold separately.Adaptor should be installed in a flat area of riser at least 6 before water blends with exhaust. Use a return fuel line. It works fine.
Holley Sniper first start No o2 sensor - YouTube holley efi. 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! 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? Thanks for that, Danny. I have about 30 hrs on the unit and it just keeps getting smoother with every hr of run time. My Lightnings have a bung welded through the water and into the dry exhaust area at the collector. That is defacto step one in trouble shooting fuel injection systems. test the sensor.. for a basic pass/fail of the sensor. Not always the case with a boat.