running holley sniper without o2 sensor

2023 Holley Performance Products, Inc. All Rights Reserved. There can be leftover debris from manufacturing that have been washed down and are now clogging one. Innovate Motorsports HBX-1 Bung Extender. There are five significant plug connections to make from the throttle body: Plug into the oxygen sensor. Replaced and gapped to .45 all spark plugs. But for just over $10 and two simple configuration changes you can switch to a progressive linkage that opens only the two primary barrels at first and then brings in the secondary barrels at a later point. In this case, the prime shot is good for cold, but too much for warm. 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? Wondering how you are progressing with this? Also the progressive link. It flows 850 cfm and can support up to 650 horsepower. Install the throttle linkage to the Sniper EFI throttle body. 74 FJ40 confined to the swamp. Copyright 2017 Cyberspace Automotive Performance, Inc. All Rights Reserved. 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. As far as spark control, the Sniper will let you tune those 4 points, nothing else will. 2023 HOLLEY PERFORMANCE PRODUCTS, INC. ALL RIGHTS RESERVED. This requires a considerable additional investment but as long as you're doing things you're not going to do them half-way, right? Systems that were already designed for marine efi. YES! Specs. Will I be able to run both systems off of one fuel pump? 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. GA - As close to the lake as I can afford A powerful, MICRO BlueTooth in dash audio solution! Maybe going all the way to the front is the way to go? Holley Sniper EFI Self-Tuning Kit - Black Ceramic Finish. Bolt-on carburetor style EFI for your classic car or truck. Capability Range: Moderate Price Point: $$, EFI Systems based on Holley's world-class Dominator and HP ECU's. Add To Cart. It's hallmark is its simplicity--but in this case it is also it's shortcoming. Held finger over IAC and it ran better, the thing was just wide open all the time and had nothing to suck. 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. Sensors that are installed in an exhaust must be connected to a properly holley efi. Q3. Can anyone share their experiences with this type of setup? EFI Systems based on Holley's world-class Dominator and HP ECU's. As a follow up, I ended up using an eBay type anti fouler elbow for the O2 sensor to try and get it out of the water in the manifolds. Do you recommend in-tank or external fuel pump? 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. Most water jacketed header manufacturers (Lightning, CMI, etc) will install 02 bungs in their headers for extra money. I have not yet got it figured out. Holley 2300 is their nomenclature for a 2-bbl generic fitment carburetor. 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. Holley EFI has the solutions you need to get your project up and running better than ever! A 90-degree V-6 has three shared crankpins set 120 degrees apart. The first thing to consider here (if you are in the USA) is US Coast Guard (USCG) Safety Approval. Here is one on start up tuning. Taipei has dozens of world-class restaurants where gourmets can sample the most authentic Chinese cuisines. - You are currently viewing the forums as a GUEST. 10 min read. "Old Yeller" gets Holley EFI Sniper O2 Sensor Installedhttps://www.holley.com/products/fuel_systems/fuel_injection/sniper_efi/sniper_efi_stealth_4150/sniper_. By Joshua C on August 10, 2021 | Verified Owner, Worked right out of the box. Thanks. Anyone ever converted a 1987 3.7L 4cyl Mercruiser engine to EFI. Who knows. http://s621.photobucket.com/albums/tt291/Mark11530/?action=view¤t=MAH05771.mp4, http://www.holley.com/data/Products/Technical/199R10226.pdf. Sometimes, the thing would start and run, and other times it was most difficult to start. My bet based on longer pump run, to make pressure, you have a leaking injector. It does not work with the Sniper EFI oxygen sensor. You really want a bigger engine. What Is Pinion Offset, And How Does That Affect You? QFI-500 Oxygen Sensor. 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. 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. Features: . Sniper EFI Quadrajet Marine. On my system, I machined in the O2 sensor right between the snail and the manifold of a BBC. Brass adaptor designed to install heated oxygen sensor in water-cooled marine exhaust risers. They have mods that help. Let me know how I can be of assistance. I have a 74 bronco, 302, mild cam. holley sniper efi Holley Sniper EFI Self-Tuning Master Kit - Black Ceramic Finish $1,475.95 Part# 550-511K holley efi 100 PSI Stainless Pressure Sensor $155.95 Part# 554-102 Are you waiting to convert your carbureted vehicle to Sniper EFI, but don't like the idea of mounting an external fuel pump? Yes, this is an old thread, but it's an old unit. 5. I wanted to let you all know, I have modified a mercruiser Cool Fuel Gen 3 module(mounted on the engine) to provide fuel to a sniper. Followed all the instructions to the letter. The very basic fuel and spark tables are the limiting aspect, Holley does offer advanced software for more precise tuning. I think installing a wide band O2 sensor in the manifold(s) is a great idea. The problem is with the Holley computer when you turn on the keyit squirts a prime for a split second. Other than the constraints provided in the article above I see no reason why this wouldn't be a great upgrade. is donald smith still alive; julie grant court tv cheerleader The Sniper EFI throttle-body drops in place of your . Q1. You will still get some water on the engine side of the snails, mainly at low Rs. ), 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. But this also makes me wonder what you did for the O2 sensor. Not sure how well the sensor likes being that close to the port. I really dont want any issues on the whitewater lol A forum community dedicated to performance boat owners and enthusiasts. I had an o2 sensor fail on a pass yesterday, and flatline at 11.5afr. 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. Other? As far as warranty goes, Holley products are covered by a 90-day warranty against defect in material or workmanship. $132.95. 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. Advanced throttle body injection systems capable of transmission control and more. My hand is holding the connector to the sensor. Put an end to cold start issues, hesitations, vapor . Each engine has the Holley marine 2 barrel carburetor. Homemade body parts replace the originals as they rot away but it's a 40 on the inside. Do you offer a USCG fuel pump kit? I had the pink ecu signal wire connected to a bullet connector on the passenger side . Robust, feature-rich multi-port EFI systems offer easy plug-and-play late-model V8 engine swaps. An adapter harness is available to connect this distributor directly to the Sniper EFI throttle body. My Lightnings have a bung welded through the water and into the dry exhaust area at the collector. It has about 18 hrs to date and is working great. 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. John 1:5, 1969 FJ40 2F with Holley Sniper EFI, Power Disk Brakes Front & Rear, Downey, Your post has peaked my curiosity. I was mocking it up at the time. I want to register an account for free right now! 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. replaced my original terminator x sensor that was mounted in an exhaust that took on some water and killed the original sensor. The spark must be manually tuned. This doesn't mean it can't be done. 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. I was thinking aluminum heads would run it up closer to 5,000 rpm. Top 10 Holley Sniper EFI Tech Tips Holley Technical Training Manager Tom Kise's top ten "suggestions" for Holley Sniper EFI System installation issues. I bought a new holley sniper , dual sync dist., coil, and holley in tank fuel pump, When engine got hot it would go crazy. If you call, they usually let you put in your name and they get back to you. The new throttle response was significant,fuel saving and gave me a turn key cold start.Still I can't have an idle speed under load and a turn key warm start. This is great information that can only get you closer to an ideal solution. The engine floods and it is embarrassing when leaving a lock. 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). Part# 550-511. This completes the basic installation of the Holley Sniper EFI 4150 Super Sniper 1250/650 kit. Brand: Holley EFI Emission Code: 4 . Bolt-on carburetor style EFI for your classic car or truck. Currently has 2 bbl carburetor and mechanical distributor, mechanical fuel pump for 165hp. 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. I would send an Email to Chris at EFIsystempro. The light shines in the darkness, and the darkness has not overcome it. Oxygen Sensor is sold separately.Adaptor should be installed in a flat area of riser at least 6 before water blends with exhaust. In order to do this, it heavily relies on proper O2 sensor placement. 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. I took my time soldered every wire connection and routed all the wires carefully to avoid any emt issues. 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. 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. Capability Range: Advanced quick fuel. 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. 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. excessively rich mixtures), Mechanical shock (e.g. Make sure to put anti seize on the threads. In a horizontal or if pointed upwards it can collect exhaust condensation liquids upon start up. As far as a sensor goes, absolutely nothing. Never tried it myself or know anyone fwho has, but Little kids play hooky . big kids play. Add To Cart. While these base maps are generally quite good for cars they are going to be pretty far off in the case of marine applications. I installed a Holley sniper system on my car and I've been fighting it for 2 weeks now. Price Point: $, Advanced throttle body injection systems capable of transmission control and more. 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. 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. Add to Cart . *Possible delays due to Covid-19 click for more information. EFI EFI kit electronic fuel injection. blue doberman puppies. Price Point: $$$. 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. 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. 2. Jun 7, 2021. 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. 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. When the Sniper EFI System received USCG approval at the end of 2018 this presented some hope for boat owners. One of the most common causes of poor idle is improper O2 sensor placement or trying to run closed loop at idle . Phil said water would still get up over the snail and knock out the sensor. Then operate open loop with a fuel map\Timing curve.I am interested in the capabilities of the Sniper product (4 injector) in a Marine application.. The test run was great, they have never run so well even when they were new with carbs. I would prefer to run this brand new Holley EFI system in a closed loop, not set the fuel map, and use the O2 sensor as only a sensor. The World's largest Installed the sniper/MSD combo on my mildly built 460 KEM. Comes VERY complete.throttle cable bracket, kickdown bracket, base plate studs & nuts, heat shrink type connectors, and pretty decent instructions as well. 3. Add to Cart . Find a lower price anywhere and we'll beat it by 5%! Good luck to all. You are using an out of date browser. Let him re-jet the carb (a wee bit on the fat side for safety) and reset the timing and try again. I am a competent mechanic and I have checked all the usual suspect items. 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! *Free Shipping & Handling only offered to the contiguous US on orders over $100, excludes clearance parts and oversized packages. One comes in the form of a Marine O2 Sensor Adapter from the folks at Howell EFI. Pay close attention to the instructions on O2 sensor placement. Has been since the 80's. Has anyone run an O2 sensor in an EFI on a marine engine? YES! I tried holley tech support, no answer and put on hold for hours. Wherever you go, the cultural kaleidoscope of Taipei showcases exhilarating diversity. 29. On a side note: Im getting 4200 rpms at 5000 elevation with stock heads. One of the benefits of using any Holley EFI system is that it self learns and tunes on its own. The wide band O2 sensor is required for initial running and calibration. If there's anyone willing to read a bit and offer advice about what to do when doing a top-end swap (when you may be in a scenario with a new top-end that's the EFI isn't calibrated for AND you can't have an WBO2 sensor connected), please let me know. Sniper EFI 4500 Marine. $119.95. Copyright 2022 Holley Performance Products, Inc. All right reserved. Please consult the Holley Sniper full manual and use this guide for supplemental clarification. The engines are rated at 170 hp each. Found out that it was due to rfi/emi. Part# 554-155. Not always the case with a boat. 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. It will crank and run great for 2-15 seconds then die. (If I am incorrect I heartily invite your comment at the bottom of this article!) #3. I've seen O2 sensors in water jacketed headers that have worked fine for years. Welcome to Club Cobra! Note the temperature sensor mounted on the back of the driver side head in the above photo.