Systems that were already designed for marine efi. Holley EFI Oxygen Sensor. $108.95. Stay up to date with the latest releases, events, promotions and more. Thanks. I just discovered that was the case with my Fitech. If a cruiser with enclosed engine compartment, not a lot you can do to eliminate water or at least water vapor in the exhaust. 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. replaced my original terminator x sensor that was mounted in an exhaust that took on some water and killed the original sensor. A third option would be to run your EFI system without an O2 sensor at all. the motor has the following mods, Aluminum heads, Performer intake, Sniper and MSD ignition module. Also, with Headers you loose 600 to 700 degrees between Head and bottom collector, you don't want to read that loss. These types of adjustable on-delay timer relays are on sites like Amazon for less than $10 up to $15. turn on the ignition.but do not start the engine. *Possible delays due to Covid-19 click for more information. You should then have at least 18-24" of pipe after the sensor. Sensors: Fitting: Threaded O2 . $5 Off Your $100 Mobile App Purchase . Menu. The plan is to 'learn' a fuel\Timing curve with a closed loop. *Free Shipping & Handling only offered to the contiguous US on orders over $100, excludes clearance parts and oversized packages. After a few tries by jumping the starter solenoid I then realized the ignition key was in the off position. I had questions on the suggested "Marine O2 Sensor Adapter" from Howell EFI (https://howellefi.com/product/adaptor-o2-sensor-for-marine-use/), but when I look to the pictures, I understand how it will work. 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. Mine is right where Steamers is, and works well with my AFI TBI. 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. So please, If you have problems registering or can't log into your account, please. VerticalScope Inc., 111 Peter Street, Suite 600, Toronto, Ontario, M5V 2H1, Canada. Thanks for that, Danny. An update from Al:After installing them I used the auto tune program on the Holly HP V4 software and they are working great. Restore | Make | Philosophize | Eat | Drink | Be Happy | Let's Go Brandon! #1. 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. 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 other thing I want to overcome is the fuel return line; my harbor master says that I can connect my fuel return line to my CAV (lucas) gasoline filter, it has 4 connection, now only 2 are used. Holley part number 554-155. Are you running the entire system? John 1:5, 1969 FJ40 2F with Holley Sniper EFI, Power Disk Brakes Front & Rear, Downey, Your post has peaked my curiosity. . It is the ratio between the mass of air and the mass of fuel in the air-fuel mix at any given moment. Wiring the Holley Sniper EFI system is equally easy. This was for MPFI. JavaScript is disabled. Throttle body mounted ECU - no extra boxes to mount. 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. Replaced O2 sensor but continued to have AFR issues running too rich. 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. looking at doing the same. Why? So I bought the progressive linkage but you then have . Yes! Never tried it myself or know anyone fwho has, but Little kids play hooky . big kids play. Yes, this is going to be an added expense, however, it will help guarantee your success. This Video Shows Ideal O2 Sensor Placement! The included fuel system places a 340LPH fuel pump in the tank, which can easily be . Welcome to ClassicBroncos! 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. I have a 74 bronco, 302, mild cam. If you call, they usually let you put in your name and they get back to you. Brass adaptor designed to install heated oxygen sensor in water-cooled marine exhaust risers. Sensors that are installed in an exhaust must be connected to a properly I'm looking for some more practical and scenario-specific advice; that's one small piece of it. Everyone raving about customer service is telling the truth! My spare "Bosch O2 Sensor" came from eBay & was half the price of anywhere else I found. The light shines in the darkness, and the darkness has not overcome it. Copyright 2017 Cyberspace Automotive Performance, Inc. All Rights Reserved. I'm 3" down from the bottom of the flange to center of bung. Add To Cart. - You are currently viewing the forums as a GUEST. While those work great on an automobile, you likely won't begin to get these marine installations setup with a handheld. From there, the idea is that it will self-tune to the requirements of the engine. Enter The 2023 LS Fest West Trip Sweepstakes Today And Join Us In Las Vegas! That sounds like one solution. I'm guessing by snail, that's another name for the riser? This is great information that can only get you closer to an ideal solution. the engine not running. Ordered another dominator Bosch from Holley and it matches perfect. To take advantage of all the site features, please take a moment to register. Yellow Cold! My bet based on longer pump run, to make pressure, you have a leaking injector. 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. 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. 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. Parts List: 1) Holley Sniper 2300 EFI Kit (Do not buy the kit with fuel lines and pump etc. Q1. The Tech Tips and discussions are also great! 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. The following vehicles are considered Racing Use Only Vehicles: Holley is the new standard in EFI! Visit their website for more details. Everyone else was backordered several months. If you've done some automotive fuel map tuning before, you can likely overcome this challenge. If you let it cool down again, does it start up fine? watch the values in the software for the o2.. once is is done "Heating" and starts to show AFR, wrap the rag round it. (Assuming it actually releases in November and there are enough units for me to purchase and receive one in December). It will flood itself out and won't start back, just crank and crank. Capability Range: Advanced AFR was 19 area. 92 YJ 4.0, AX-15 5spd, np231, dana 30 front, dana 35 rear. The Holley Sniper EFI Quadrajet is a self-contained throttle-body injection system that's a direct replacement for spreadbore Quadrajet carburetors found on many classic GM vehicles. 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. I have tried several different settings to get it going, no luck. 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. 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'm having new headers with an O2 sensor bung installed in my car ('79 Vette) soon, to prepare for a Holley Sniper EFI TBI install this winter. Most water jacketed header manufacturers (Lightning, CMI, etc) will install 02 bungs in their headers for extra money. In this video Holley's own Tom Kise explains oxygen sensors and where to place an 02 sensor bung in your exhaust. I purchased the Holley HP MPFI system and went to the lake with it. 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. Part Number: 510-554-155. -- I particularly like the Daytona Sensors Approach to the Ignition Curve.- Are you pursuing Coast Guard Certification for the Sniper_EFi? Price Point: $, Advanced throttle body injection systems capable of transmission control and more. The basic kit comes with the TBI unit, touchscreen controller, water temperature sensor, a wideband oxygen sensor, and all the necessary wiring. 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? . To my knowledge, there is no aftermarket EFI fuel system suited to fuel the Sniper EFI system that exists on the market. Was in marine engineering for years. Capability Range: Advanced Q3. Follow USCG rules about materials and fittings. Have to replace head gasket. Without Headers Steamers location (above) is perfect, up close to the engine where you . 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. so simple check first, whats the fuel pressure? Free Shipping - Holley Sniper EFI Oxygen Sensors with qualifying orders of $99. 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. you don't want to read that loss. I'm using the NTK sensor. Followed all the instructions to the letter. Oxygen Sensor is sold separately.Adaptor should be installed in a flat area of riser at least 6 before water blends with exhaust. He also explains how to properly install them. Does an yone have a pic of the O2 sensor in their exhaust? I recently installed the sniper setup on my stock 71 duster 340 4 speed. May 19, 2021. The original Holley Sniper instructions are available on the Holley website if you have misplaced them. Adam. I took my time soldered every wire connection and routed all the wires carefully to avoid any emt issues. The fuel module is self contained with water jacket cooling and contains the low and high pressure pumps. 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. Will I be able to control my ignition timing with the Sniper? Sniper EFI Releases new Stealth 4150 Models! They are about 4 inches long, in-line between the log and manifold. All times are GMT-6. My Lightnings have a bung welded through the water and into the dry exhaust area at the collector. I really dont want any issues on the whitewater lol Holley EFI requires several pressure inputs in order to run an engine. 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. Note that this is a different sensor than Holley uses for their Dominator/HP/Terminator/Avenger series. I will change and be using an in-tank pump when I install the new 120 gallon tank this winter. It does not work with the Sniper EFI oxygen sensor. It appears that its a tuning issue. He knows his stuff, gets back quickly to you, etc. Once the tune is complete, the O2 sensor can be defeated or . 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. Anti-Seize pre-applied to sensor threads. 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. While the Sniper has an absolutely outstanding internal ECU, the current model does not offer any laptop programmability. Innovate Motorsports HBX-1 Bung Extender. As always, your results may vary and batteries not included. There can be leftover debris from manufacturing that have been washed down and are now clogging one. 74 FJ40 confined to the swamp. Jan 20, 2019. A forum community dedicated to performance boat owners and enthusiasts. Who knows. Thanks again for writing! Spray a rag down pretty good with brake cleaner. The ones in the Bosch box come without warranty. 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. 2. I want to remove the old fuel injected Mercruiser factory EFI on both engines because they have begun to be troublesome. 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. Initially I was looking for the upgrade to a 4V holley 4175 carb, but this option has peaked my interest. 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. Those "flames" are still consuming O2 that would otherwise not be read by a sensor in the correct location. Sort. To close this one out, below is a photo of where I installed the O2 bung. Previously, none of Holley's throttle body injection (TBI) systems, such as the Terminator EFI were USCG approved (even though the HP and Dominaor ECU's themselves are.) You really want a bigger engine. Find a lower price anywhere and we'll beat it by 5%! quick fuel. Put an end to cold start issues, hesitations, vapor . The engines are rated at 170 hp each. The engine RPM when closed loop o2 will begin. *Possible delays due to Covid-19 click for more information. And who can blame them? No prime, but a second later it's ready to crank 'normally'. These often don't work with stock ECUs, so your best bet is to weld in a second bung for the wideband sensor. Aftermarket headers are pretty much the only safe way to run an O2 sensor. Categories. The Sniper EFI master kit contains the most complete EFI fuel system on the market. Staff Writer. You need to intimately know the system you are using, its capabilities and limitations, install it correctly and have it tuned with someone with experience specific to marine applications. Please consult the Holley Sniper full manual and use this guide for supplemental clarification. I mounted it here attempting to protect it from the deep water I play in and from lots of branches I encounter. running holley sniper without o2 sensorplymouth township mi police scanner. Bolt-on carburetor style EFI for your classic car or truck. 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! Replacement Sniper and Terminator X O2 Sensor, This part is legal for sale or use on Racing Use Only Vehicles. Distributor and ignition box? Holley Sniper - Oxygen Sensor Location Thread starter GA Architect; . See Details. 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. 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). The Sniper EFI throttle-body drops in place of your . 5. 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. Holley Sniper EFI Wideband Oxygen Sensor. 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 hose, clamps, and chamfering bit.In the settings I chose closed loop disabled (set to open loop) and also set learn mode to disabled. Is Holley working on a complete marine package or planning to in the future? 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. Some logs have water up to just short of the port. Price Point: $$$. Categories. Sort. Currently has 2 bbl carburetor and mechanical distributor, mechanical fuel pump for 165hp. The Sniper will do that. I have searched thru the forum as much as I can, with not much luck. But it is going to be a little tricky. As I have since added above, the Sniper simply isn't going to be the system to use to tackle this problem. 3. Price Point: $$$. Look at the bottom.. A replacement clamp on would be an easy change out. Option 1 is to purchase and install one of the Holley EFI Dual-Sync Distributors on your engine. 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! Was told by holley tech support to make adjustments to the fuel prime percent and multiplier settings, played with those with no major improvement. Specs. Precisely Adam. Ideally I'd want the power plant running as efficiently as possible, but I'd sure like the benefit of EFI over carb. An O2 sensor is used when converting an engine to fuel injection and wanting to move from an "open loop" system to a "closed loop" system. Sniper throttle body linkage opens all four barrels evenly when you depress the throttle. Super helpful and knowledgeable. Note, that is not a crack in the exhaust manifold, just a shadow from a casting flaw. Replacement Sniper and Terminator X O2 Sensor. I only have a stick welder and didn't trust myself on the thin pipe so I brazed it in. Tips on how to measure the correct location and other considerations when welding in an O2 sensor bung. It may not display this or other websites correctly. 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. I installed the adapter and elbow so it's at an angle above the entry point. 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. It only runs rich on start up for a second due to the prime, after start it runs great. Increasing efficiency is always a good idea. Holley recommends a 3/8" fuel supply line. If I am reading your post correctly you are using two separate o2 sensors when using headers ? We use cookies to enhance your experience while using our website. Stay up to date with the latest releases, events, promotions and more. One of the most common causes of poor idle is improper O2 sensor placement or trying to run closed loop at idle . It does not look like anything particularly superior in concept.
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