Without Headers Steamers location (above) is perfect, up close to the engine where you . Top 10 Holley Sniper EFI Tech Tips Holley Technical Training Manager Tom Kise's top ten "suggestions" for Holley Sniper EFI System installation issues. Add to Cart . I have a 74 bronco, 302, mild cam. Are you running the entire system? the engine not running. 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. Jan 20, 2019. Oxygen Sensor is sold separately.Adaptor should be installed in a flat area of riser at least 6 before water blends with exhaust. Emissions. Pink switched power wire, this needs to be connected to a point that is 12V in run and while cranking. Find a lower price anywhere and we'll beat it by 5%! After a few tries by jumping the starter solenoid I then realized the ignition key was in the off position. 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. My boat is still in winter storage. suspect bad o2 sensor with Holley efi | Yellow Bullet Forums (Assuming it actually releases in November and there are enough units for me to purchase and receive one in December). Troubleshooting Holley Sniper that hesitates on acceleration If this is a first time effort, find a tuner in your area with marine experience. See Details. Runs like a champ now. running holley sniper without o2 sensor - dowdcreative.com Replaced and gapped to .45 all spark plugs. Only a few hours on the motor but so far so good. Brass adaptor designed to install heated oxygen sensor in water-cooled marine exhaust risers. blue doberman puppies. From time to time we receive phone calls from individuals who are interested in converting their carbureted boat motor to fuel injection. Holley 554-100 NTK Wideband Oxygen Sensor. If the indicator reads "LOW Err" double check the connection to the CTS. I received my replacement TPS and O2 sensor. I am a competent mechanic and I have checked all the usual suspect items. Anti-Seize pre-applied to sensor threads. (Assuming it actually releases in November and there are enough units for me to purchase and receive one in December). Add to Cart . : For registered members this ad will NOT show. http://forums.holley.com/showthread.ension-Harness, http://forums.holley.com/showthread.4388#post54388, If this is your first visit, be sure to - Do you know of a Carburetor Builder who has addressed the Coast Guard certification issues with the Sniper EFI? In a horizontal or if pointed upwards it can collect exhaust condensation liquids upon start up. EFI Systems based on Holley's world-class Dominator and HP ECU's. Marc, you don't mention which system you installed but the Holley systems are fully configurable. He knows his stuff, gets back quickly to you, etc. A forum community dedicated to performance boat owners and enthusiasts. And the relay and fuse were mounted along the firewall. I would send an Email to Chris at EFIsystempro. I had the pink ecu signal wire connected to a bullet connector on the passenger side . John 1:5, 1969 FJ40 2F with Holley Sniper EFI, Power Disk Brakes Front & Rear, Downey, Your post has peaked my curiosity. This is great information that can only get you closer to an ideal solution. Fine tuned the timing to 12-15 degrees. - The sales brochure refers to Integrated Ignition Timing Control and Coil Driver. While the Sniper has an absolutely outstanding internal ECU, the current model does not offer any laptop programmability. Add to Cart . You have to angle it to help the throttle cable get around the booster. Follow USCG rules about materials and fittings. It's fast, simple and absolutely free. So I bought the progressive linkage but you then have . 3. 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. But you have to get it tuned. . 1985 fj60 (sold back to Toyota), 1997 fzj80, 1971 fj40 with 75 2F. Capability Range: Professional Late to the party but here's where mine are installed. 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. Now the lower cost Holley Sniper advertised for March 31 2016. JavaScript is disabled. For a better experience, please enable JavaScript in your browser before proceeding. Installed a Lokar throttle linkage bracket custom made for the Sniper, removing the old one that had been on my Holley 750. Is Holley working on a complete marine package or planning to in the future? CUSTOM ART FOR CUSTOM NEEDS. The latest is the new Holley Sniper EFI touted as a true bolt-on self-learning carb replacement. Joe, where did you end up installing the o2 sensor on your setup? When either of these operating temperature ranges is exceeded, the sensor can no longer be . 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. $132.95. If you have any exhaust leaks between the combustion chamber and 18-24" after the sensor you are going to have problems. I mounted it here attempting to protect it from the deep water I play in and from lots of branches I encounter. Phil said water would still get up over the snail and knock out the sensor. 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. Throttle body mounted ECU - no extra boxes to mount. It will flood itself out and won't start back, just crank and crank. Customer Rating: 4.3 out of 5 stars: 4.5 out of 5 stars: I have searched thru the forum as much as I can, with not much luck. This boat has a non-vortech motor with a 2 bbl gm intake i'll need to replace. Price Point: $, Advanced throttle body injection systems capable of transmission control and more. Conditions when closed loop o2 should be turned off. Free Shipping - Holley Sniper EFI Oxygen Sensors with qualifying orders of $99. Price Point: $$$. Never tried it myself or know anyone fwho has, but Little kids play hooky . big kids play. These types of adjustable on-delay timer relays are on sites like Amazon for less than $10 up to $15. 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. 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. 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. Running? Note, that is not a crack in the exhaust manifold, just a shadow from a casting flaw. 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. *Free Shipping & Handling only offered to the contiguous US on orders over $100, excludes clearance parts and oversized packages. The right side o2 was obviously reporting a fat 10.3 afr as a result, but the car still went 139mph, LOL. Can anyone share their experiences with this type of setup? Sorry for the late reply, Douglas. Q2. And who can blame them? Yes, this is going to be an added expense, however, it will help guarantee your success. Purely coincidence about the '2300' number. On a side note: Im getting 4200 rpms at 5000 elevation with stock heads. So far so good. For a better experience, please enable JavaScript in your browser before proceeding. Maybe going all the way to the front is the way to go? Add To Cart. Part# 554-155. Installing MegaSquirt in Parallel With the Stock ECU *Possible delays due to Covid-19 click for more information. 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. Robust, feature-rich multi-port EFI systems offer easy plug-and-play late-model V8 engine swaps. #1. I've installed several of these adaptive EFI's on cars with great success. I have about 30 hrs on the unit and it just keeps getting smoother with every hr of run time. non biased Shelby Cobra related site! Your BluePrint Engine will be equipped with a Holley model 550-510, or 550-511 (identical except for finish color) on 4150 flanged intake manifolds. I have a 74 bronco, 302, mild cam. Most of Holley's EFI systems provide a Setup Wizard that builds a base configuration file that allows you to start the engine and operate the vehicle. test the sensor.. for a basic pass/fail of the sensor. $119.95. Could show a lean condition when in fact it really isn't. I installed it without O2 sensor, adjust on the fly. Welcome to ClassicBroncos! 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. A third option would be to run your EFI system without an O2 sensor at all. Categories. The problem occurs when an excessive amount of oxygen makes its way from the intake port directly into the exhaust at idle and low engine speeds because of overlap. 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. $5 Off Your $100 Mobile App Purchase . Got a picture? 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. Holley EFI Oxygen Sensor. I know from some of the other posts, there have been WBO2 sensor issues. I was mocking it up at the time. 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. The Holley Sniper system sells for $999.95, installs in under 2 hours, and requires only an O2 sensor, a temp sensor (both included), an electric return-style fuel pump, and four-wires to connect.. Quote Reply Topic: Holley Sniper Posted: Jan/05/2022 at 2:01pm . Converting Marine Engines to EFI | EFI Pro Hangout | General Studies Yeah, it may sound hokey to some, but is just one option to solve the issue where you are and with what you have. Held finger over IAC and it ran better, the thing was just wide open all the time and had nothing to suck. Holley EFI 534-199 Wideband Oxygen Sensor Extension Cable Shop Oxygen Sensors at Summit Racing. Most water jacketed header manufacturers (Lightning, CMI, etc) will install 02 bungs in their headers for extra money. 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. i'm not aware of a universal aftermarket EFI fuel pump kit that is USCG approved. I will change and be using an in-tank pump when I install the new 120 gallon tank this winter. I have tried several different settings to get it going, no luck. Find a lower price anywhere and we'll beat it by 5%! Part# 554-155. holley efi. Thinking about this I think this will work very fine! New 100 owner, long time cruiserhead - https://forum.ih8mud.com/threads/new-100-owner-long-time-cruiserhead.1300238/. looking at doing the same. Everyone raving about customer service is telling the truth! 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. Register now for free! 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. Free ground shipping regardless of order size! Specs. O2 Sensor in a boat exhaust | Performance Boats Forum This was for MPFI. The Sniper EFI master kit contains the most complete EFI fuel system on the market. Sniper EFI Installation Guide. 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. Part# 550-511. ), 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. I have a local customer with a pair of big blocks in his offshore boat that is eager to get started on this. My spare "Bosch O2 Sensor" came from eBay & was half the price of anywhere else I found. The Tech Tips and discussions are also great! Without Headers Steamers location (above) is perfect, up close to the engine where you have not lost much heat. 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. replaced my original terminator x sensor that was mounted in an exhaust that took on some water and killed the original sensor. Not sure how well the sensor likes being that close to the port. 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. Sep 14, 2021. I installed a holley sniper kit. There is no problem getting this tuned and then running open loop. What is your fuel pressure at the carb during crank? $43 per night (Latest starting price for this hotel). Let him re-jet the carb (a wee bit on the fat side for safety) and reset the timing and try again. If you're not running one (or if you are and the water has killed it) then it is not surprising that you are running rich. 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. Boats don't cruise at 60mph up and down hills. is donald smith still alive; julie grant court tv cheerleader To my knowledge, there is no aftermarket EFI fuel system suited to fuel the Sniper EFI system that exists on the market. . I have searched thru the forum as much as I can, with not much luck. Holley Sniper EFI System is Easy, Budget-Friendly Path to Fuel But it is going to be a little tricky. 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. Items 1 - 21 of 21 Items. (Image/Wayne Scraba) The throttle body is a bolt-on replacement for a carburetor. Yellow Cold! The O2 sensor burned out immediately. O2 Sensor Mounting: The O2 needs to be mounted 6-8" after the merge in the header collector. Bolt-on carburetor style EFI for your classic car or truck. The O2 sensor burned out immediately. Sniper EFI 4bbl Marine. :-), I started using OMC and Volvo Penta pumps for my conversion. Marine O2 Sensor Adapter Plate - Affordable Fuel Injection The first option is to just buy the injector body and the controller with the wiring harness and sensors. Installing Holley's Sniper EFI Quadrajet System on a 1970 Corvette My bet based on longer pump run, to make pressure, you have a leaking injector. EFI is the wave of the future. RPM going up and down , miss firing and backfiring. "Old Yeller" gets Holley EFI Sniper O2 Sensor Installedhttps://www.holley.com/products/fuel_systems/fuel_injection/sniper_efi/sniper_efi_stealth_4150/sniper_. This free oxygen is picked up by the O 2 sensor and determined to be indicative of a lean AFR condition when, in reality, the engine could potentially be running slightly rich. Well an update on the Sniper install. I bought a new holley sniper , dual sync dist., coil, and holley in tank fuel pump, When engine got hot it would go crazy. 2 Reviews. You will need an O2 sensor to measure fuel needs, but it could be tuned manually like in the old days. Capability Range: Moderate Search for the cheapest hotel deal for O2 Hotel Taipei Main Station in Taipei City. I am in the middle of a repower of twin BBC 481, mild cam which will need to be recarbureted. About your only location is in that short area from the log to the port face. Bolt-on carburetor style EFI for your classic car or truck. JavaScript is disabled. Just a rumor. How To Properly Place and Install an O2 Sensor - Holley O2 sensors are water proof. Capability Range: Advanced Innovate Motorsports HBX-1 Bung Extender. Sniper EFI 4500 Marine. Restore or update your Holley Sniper EFI System with this WBO2 Sensor 17025 Bosch 554-155 Holley. I would back-burner the ignition control questions until you get the fuel injection working. 29. I am happy with Holleys no hassle replacement of the parts. 02/25/2020. You have to one big hole in the riser, then you reach the cooling water, and one little hole in the next part of metal: now you reach the exhaust gasses. With a bad TPS you will have to manually prime to try and get it . While this is extremely unlikely if you are having immediate, back-to-back O2 sensor failures you should make the effort to rule this out. 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)? Similarly, no multi-point fuel injection (MPFI) systems existed that were USCG approved. 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 What Is Pinion Offset, And How Does That Affect You? #1. Holley sniper issue on newly rebuilt motor, Holley Sniper with Duraspark and timing control. 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. The fuel lines and fittings are 3/8s with 8AN fittings and everything on the 60 requires 5/16 fuel line with 6AN fittings) Holley Sniper EFI 550-849 Holley Sniper EFI 2300 Self-Tuning Kit - Shiny Finish. All times are GMT-6. Great Article. Waiting for spring to put back together. The World's largest It does not look like anything particularly superior in concept. 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. But this also makes me wonder what you did for the O2 sensor. For the most part each engine wants a bit of its own timing set-up IMHO, you boat owners with a 270HP 350 (or any other config) may want 350HP but upgrading it to that level will reduce or eliminate reliability. To close this one out, below is a photo of where I installed the O2 bung. Price Point: $$, Robust, feature-rich multi-port EFI systems offer easy plug-and-play late-model V8 engine swaps. The oxygen sensor should be mounted at a point where it can read a good average of all the cylinders on one bank. EFI System Pro also has a good bit of tech info on their website. Yellow Init In First shown for an instant when the system is powered on. 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! I had an o2 sensor fail on a pass yesterday, and flatline at 11.5afr. https://www.efisystempro.com/efi-pro-hangout/sniper-installation-tips-holley-tom-kise, https://www.efisystempro.com/efi-prng-engine-startup-sniper-terminator-x-stealth. Found out that it was due to rfi/emi. Then turn the engine off and "lock in" the tune in a non-feedback loop mode, and quickly remove the headers and wash them off to prevent damage and then swap to the manifolds, but that would honestly be a huge PITA. 100% identical. I will let you know what happens. 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. 29. The Fora platform includes forum software by XenForo. The test run was great, they have never run so well even when they were new with carbs. CTS (Coolant Temperature Sensor) - Reads engine temperature. The adapter does require the removal of the manifold and some machining but it allows the O2 sensor to be placed into the exhaust flow but protects it from the water exiting the block. Service Oxygen Sensor for Sniper EFI Systems, Service Oxygen Sensor for Terminator X Systems. You really want a bigger engine. You are using an out of date browser. (probably with the edelbrock marine 2506 intake). Sort. 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. The ones in the Bosch box come without warranty. Be sure to disable autotune and remove the O2 sensor before it dies. EFI Systems based on Holley's world-class Dominator and HP ECU's. 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. 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. Holley EFI Oxygen Sensor. Holley EFI 554-155 Holley EFI Oxygen Sensor Ran about 5 seconds and died. Thanks for the feedback on this adapter, Donald. It may not display this or other websites correctly. This fixed the high throttle position sensor reading (TPS) of above 1% that likely caused my idle issues. Holley Sniper EFI Self-Tuning Kit - Black Ceramic Finish. 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. Thanks for the heads up. I am concerned about the O2 sensor consideration, but in the end isn't the carburetor situation open loop? Wherever you go, the cultural kaleidoscope of Taipei showcases exhilarating diversity. 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. EFI System Pro had everything I needed for my EFI upgrade. 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. This really applies to any O2 sensor regardless of EFI system. One of the most common causes of poor idle is improper O2 sensor placement or trying to run closed loop at idle . Please consult the Holley Sniper full manual and use this guide for supplemental clarification. Thanks for the compliment--we look forward to your feedback! 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?

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