In order to do this, it heavily relies on proper O2 sensor placement. 5. Oxygen sensor: It's perfectly OK to share narrow band oxygen sensors with the stock ECU. 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. An adapter harness is available to connect this distributor directly to the Sniper EFI throttle body. This boat has a non-vortech motor with a 2 bbl gm intake i'll need to replace. EFI System Pro also has a good bit of tech info on their website. Sponsored Links (REGISTERED USERS DO NOT SEE THIS POST/AD! 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. Wiring the Holley Sniper EFI system is equally easy. YES! The clamp-on that came with mine wasnt a good fit on my 2" pipe. 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. Holley Sniper O2 sensor replacement - Club Cobra Capability Range: Advanced Systems that were already designed for marine efi. 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! Advanced throttle body injection systems capable of transmission control and more. test the sensor.. for a basic pass/fail of the sensor. I will get a new 02 sensor before I swap back to the orange box. Prime cannot be adjusted on this old unit. There is no problem getting this tuned and then running open loop. The Sniper EFI throttle-body drops in place of your . I have not yet got it figured out. I'm 3" down from the bottom of the flange to center of bung. looking at doing the same. GA - As close to the lake as I can afford A powerful, MICRO BlueTooth in dash audio solution! Let him re-jet the carb (a wee bit on the fat side for safety) and reset the timing and try again. From there, our highly trained factory refurbish technicians flow the original fuel injectors. replaced my original terminator x sensor that was mounted in an exhaust that took on some water and killed the original sensor. I have a 74 bronco, 302, mild cam. Without Headers Steamers location (above) is perfect, up close to the engine where you have not lost much heat. I'm guessing by snail, that's another name for the riser? I've seen O2 sensors in water jacketed headers that have worked fine for years. Holley has a pump almost identical in size to the OEM pump and it's not difficult to change. 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. Who knows. the motor has the following mods, Aluminum heads, Performer intake, Sniper and MSD ignition module. Categories. When you purchase through links on our site, we may earn an affiliate commission, which supports our community. It flows 850 cfm and can support up to 650 horsepower. excessively rich mixtures), Mechanical shock (e.g. Price Point: $, Advanced throttle body injection systems capable of transmission control and more. 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). . My bet based on longer pump run, to make pressure, you have a leaking injector. These types of adjustable on-delay timer relays are on sites like Amazon for less than $10 up to $15. . YES! I would back-burner the ignition control questions until you get the fuel injection working. On my system, I machined in the O2 sensor right between the snail and the manifold of a BBC. Anything else is going to be a frustrating recipe for for failure. That is defacto step one in trouble shooting fuel injection systems. 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. 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. I want to remove the old fuel injected Mercruiser factory EFI on both engines because they have begun to be troublesome. Aftermarket headers are pretty much the only safe way to run an O2 sensor. Then they had it repaired and back to me in 5 business days. Oxygen (O2) Sensor - Is an electronic device that measures the proportion of oxygen (O2) in the exhaust gas. I have tried several different settings to get it going, no luck. 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. We can hear the initial fuel spray into the body, but it appears that its not enough to start the engine while hot. Holley sniper issues - 1969-70 Technical Forum - 69stang.com and The Ford 2300 engine uses a Holley carburetor, but it is in fact a licensed copy of a 32/36 Weber. Part# 50-5009QFT. One comes in the form of a Marine O2 Sensor Adapter from the folks at Howell EFI. Note the temperature sensor mounted on the back of the driver side head in the above photo. How To Properly Place and Install an O2 Sensor - Holley There can be leftover debris from manufacturing that have been washed down and are now clogging one. Now the lower cost Holley Sniper advertised for March 31 2016. Never tried it myself or know anyone fwho has, but Little kids play hooky . big kids play. Installing Holley's Sniper EFI Quadrajet System on a 1970 Corvette The adapter will be fastened in both metal parts so that no water will reach the O2 sensor. To my knowledge, there is no aftermarket EFI fuel system suited to fuel the Sniper EFI system that exists on the market. 02 sensors are very heat sensitive, and can detect an exhaust pulsation in a single Header tube, that's why we always wanted to position the sensor into at least 2 opposite firing tubes we running Headers. If you call, they usually let you put in your name and they get back to you. As far as spark control, the Sniper will let you tune those 4 points, nothing else will. you don't want to read that loss. Anyone have a good place to find a genuine Bosch O2 replacement sensor without paying $110? Copyright 2017 Cyberspace Automotive Performance, Inc. All Rights Reserved. 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. Everything about the fuel prime shot can be adjusted. Adam. Holley Sniper first start No o2 sensor - YouTube holley efi. . Sniper EFI 2300 Marine. Jan 20, 2019. I'll let you know how it works out. Boats don't cruise at 60mph up and down hills. I have searched thru the forum as much as I can, with not much luck. Was told by holley tech support to make adjustments to the fuel prime percent and multiplier settings, played with those with no major improvement. 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. Bolt-on carburetor style EFI for your classic car or truck. But you've found the right one for your Holley Sniper EFI System OR your Terminator X EFI System. If you have long tube headers, mount the sensor approximately 6-10" after the collector. Q1. 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. Visit their website for more details. I am a competent mechanic and I have checked all the usual suspect items. Any exhaust down at engine level or lower will definitely get at LEAST some steam. The Sniper EFI could very well be one of the easiest to set-up fuel injections systems ever. Ive got a set of bassett headers for a BBC, ill see if they can fit under the transom. Plug into the coolant temperature sensor. 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. It does not look like anything particularly superior in concept. Replacement Sniper and Terminator X O2 Sensor. Do you also recognize that the O2 sensor that is required for closed-loop operation will not survive in the "wet" manifold used by most marine engines, and that to install a device to protect the O2 sensor from this moisture may require the removal, machining, and replacement of the exhaust manifold? Holley Sniper EFI - Page 3 - Offshoreonly.com They are about 4 inches long, in-line between the log and manifold. Free ground shipping regardless of order size! 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. Holley efi behavior with bad o2 sensor, safety feature blue doberman puppies. 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. 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! For the most part, the small harness is plug-and-play. The wide band O2 sensor is required for initial running and calibration. But you still risk a little water running back at low Rs. is donald smith still alive; julie grant court tv cheerleader Initial Calibration in Basic Configuration. Warranty Information. The sniper fit perfectly on the intake. It only runs rich on start up for a second due to the prime, after start it runs great. Attempted to make a parts run in my 1990 Third gen Chevy Camaro with a small block chevy 350 with flowmaster mufflers.I believed the issue in this video to b. And who can blame them? If you've done some automotive fuel map tuning before, you can likely overcome this challenge. 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. . To simplify . Running? Greatest struggle is the shift interrupt. I am in the middle of a repower of twin BBC 481, mild cam which will need to be recarbureted. Spray a rag down pretty good with brake cleaner. Have to replace head gasket. Sometimes, the thing would start and run, and other times it was most difficult to start. Capability Range: Professional Brand: Holley EFI Emission Code: 4 . 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. The very basic fuel and spark tables are the limiting aspect, Holley does offer advanced software for more precise tuning. Staff Writer. I didn't read all this, but yes, the EFI system can be run without a WBO2 sensor. The problem is with the Holley computer when you turn on the keyit squirts a prime for a split second. After discussing it in this thread and talking with Holley's tech support, I decided . This fixed the high throttle position sensor reading (TPS) of above 1% that likely caused my idle issues. Introducing Sniper EFI Master Kits, with a Returnless Retrofit Fuel Module. 2023 HOLLEY PERFORMANCE PRODUCTS, INC. ALL RIGHTS RESERVED. dropping a sensor on the ground), Extreme exhaust temperatures (Greater than 930 degC/1700 degF), Unheated sensor in exhaust stream. Vega$69. Holley Oxygen Sensor O2 Bung Weld-In Style; Larger Image. If I am reading your post correctly you are using two separate o2 sensors when using headers ? temporarily running without WBO2 sensor? - Holley Sniper EFI Installation Guide. Using the throttle body's fuel pressure regulator will require a 5/16" fuel return line to the tank. Note that this is a different sensor than Holley uses for their Dominator/HP/Terminator/Avenger series. Get fast, Free Standard Shipping on orders over Summit Racing Equipment from $99 -- no shipping, handling, or rural fees! Joe, where did you end up installing the o2 sensor on your setup? Holley Sniper - Oxygen Sensor Location | IH8MUD Forum I would send an Email to Chris at EFIsystempro. I installed a Holley sniper system on my car and I've been fighting it for 2 weeks now. The spark must be manually tuned. away. Without Headers Steamers location (above) is perfect, up close to the engine where you . Bosch 17025 Oxygen Sensor #1 Best Seller . In this case, the prime shot is good for cold, but too much for warm. Found out that it was due to rfi/emi. Do you recommend in-tank or external fuel pump? *Possible delays due to Covid-19 click for more information. I have twin 502 factory fuel injected Mercs and want to go to adaptive EFI. 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. Pricing was reasonable, shipping was prompt and Chris helped me with a wiring question during my install. An update from Al:After installing them I used the auto tune program on the Holly HP V4 software and they are working great. It will not fit on round or oval risers without a suitable flat area. I am considering the Daytona Sensors Ignition module. Parts List: 1) Holley Sniper 2300 EFI Kit (Do not buy the kit with fuel lines and pump etc. 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. No prime, but a second later it's ready to crank 'normally'. 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. running holley sniper without o2 sensorplymouth township mi police scanner. A replacement clamp on would be an easy change out. Stay up to date with the latest releases, events, promotions and more. Terminator X O2 sensor Off the shelf replacement? Yellow Init In First shown for an instant when the system is powered on. I just installed a Sniper on a 67 GTO and it was pretty straightforward, the end result was a much better starting/smother running car, than can adapt to elevation changes better, But we also installed the Holley Dual sync distributor for a complete system that adjusts timing as well. I installed one also on mercruiser 260 hp. 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. You really want a bigger engine. EFI Systems based on Holley's world-class Dominator and HP ECU's. For this you need a system that can be fully programmed to the extent of the Holley ECU's capability. Wideband Realities: The Truth About Oxygen Sensors - EngineLabs Free Shipping - Holley Sniper EFI Oxygen Sensors with qualifying orders of $99. Come join the discussion about offshore racing, performance, modifications, builds, classifieds, troubleshooting, maintenance, and more! Phil is right. I was thinking aluminum heads would run it up closer to 5,000 rpm. 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. You can selectively provide your consent below to allow such third party embeds. Seems to have more low end tq and is much smoother power through out the rpm range. 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. 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. Jun 7, 2021. When either of these operating temperature ranges is exceeded, the sensor can no longer be . Staff Writer. Taipei has dozens of world-class restaurants where gourmets can sample the most authentic Chinese cuisines. PS, Once someone has a good 270/350 tune, everyone can use it. Comes VERY complete.throttle cable bracket, kickdown bracket, base plate studs & nuts, heat shrink type connectors, and pretty decent instructions as well. Idle and off-idle performance (particularly as the engine goes into gear.) *Free Shipping & Handling only offered to the contiguous US on orders over $100, excludes clearance parts and oversized packages. That would be for individuals that run the OEM exhaust manifold, as well as individuals that run headers. (REGISTERED USERS DO NOT SEE THIS POST/AD! As far as packaging goes, one comes in a Bosch box, the other in a Holley package. The original Holley Sniper instructions are available on the Holley website if you have misplaced them. I had an injector fail after a month of running and called the tech line who helped me figure that out. Good luck! Holley EFI. There are drawbacks to that (as your tuner can explain in more detail) but it is doable, provided the system is correctly tuned initially. The new Exhaust manifolds will have wideband O2 bungs for tuning. 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. For a better experience, please enable JavaScript in your browser before proceeding. 1985 fj60 (sold back to Toyota), 1997 fzj80, 1971 fj40 with 75 2F. My spare "Bosch O2 Sensor" came from eBay & was half the price of anywhere else I found. The first option is to just buy the injector body and the controller with the wiring harness and sensors. Holley Sniper O2 sensor replacement. turn on the ignition.but do not start the engine. While these base maps are generally quite good for cars they are going to be pretty far off in the case of marine applications. As I have since added above, the Sniper simply isn't going to be the system to use to tackle this problem. 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. Specs. Anti-Seize pre-applied to sensor threads. This runs in the area of $1000 and has everything you need for a basic install on almost any vehicle equipped with a four barrel carb. Sent unit back to Holley. the engine not running. 3. Hooker BlackHeart Oxygen Sensor O2 Bung 2.25" Clamp-On Style, Hooker BlackHeart Oxygen Sensor O2 Bung 2.5" Clamp-On Style, Hooker BlackHeart Oxygen Sensor O2 Bung 3.0" Clamp-On Style, Holley Oxygen Sensor O2 Bung Weld-In Style. Seems to LEARN much faster than the Fitech did. JavaScript is disabled. 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. 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. so simple check first, whats the fuel pressure? If the indicator reads "LOW Err" double check the connection to the CTS. Maybe my manifolds leaked the inside between the snail and the log?? 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. CUSTOM ART FOR CUSTOM NEEDS. Otherwise I have to check for a place in my gasoline tank to put the lines in. 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. It has about 18 hrs to date and is working great. Holley Sniper Efi - Mean Chicken Jet Boat Forum JavaScript is disabled. Wherever you go, the cultural kaleidoscope of Taipei showcases exhilarating diversity. It may not display this or other websites correctly. 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. 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. Next, the new unit was installed onto the manifold. Copyright 2017 Cyberspace Automotive Performance, Inc. All Rights Reserved. It's hallmark is its simplicity--but in this case it is also it's shortcoming. -- I particularly like the Daytona Sensors Approach to the Ignition Curve.- Are you pursuing Coast Guard Certification for the Sniper_EFi? Holley EFI 534-49 Holley Oxygen Sensor O2 Bung Weld-In Style QFI-500 Oxygen Sensor. 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. I have also installed a sniper system on a 350 Mercruiser and was wondering if you have done any tuning on yours yet? We may earn a small commission from affiliate links and paid advertisements. Customer Rating: 4.3 out of 5 stars: 4.5 out of 5 stars: Then if that doesn't work call the tech line they are great! If this is a first time effort, find a tuner in your area with marine experience. 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. Only a few hours on the motor but so far so good. 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 . . I have a 74 bronco, 302, mild cam. I had an o2 sensor fail on a pass yesterday, and flatline at 11.5afr. 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. Installing MegaSquirt in Parallel With the Stock ECU Capability Range: Professional Brass adaptor designed to install heated oxygen sensor in water-cooled marine exhaust risers. 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. Wideband Oxygen Sensor Extension Cable. 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. 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. Service Oxygen Sensor for Sniper EFI Systems, Service Oxygen Sensor for Terminator X Systems. The basic kit comes with the TBI unit, touchscreen controller, water temperature sensor, a wideband oxygen sensor, and all the necessary wiring. Note, that is not a crack in the exhaust manifold, just a shadow from a casting flaw. They have been working out well for a few years now. All I can say is it made a completely different motor out of the 460, 39 degrees out and starts within 2 revolutions power is super smooth throughout the rpm range (idle to 4100rpms 212 Hamilton with 4.0 turbo impeller) has about 6 hrs of learn time. 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. Homemade body parts replace the originals as they rot away but it's a 40 on the inside. I installed a holley sniper kit. I want to register an account for free right now! Holley EFI Oxygen Sensor. While those work great on an automobile, you likely won't begin to get these marine installations setup with a handheld. The fuel module is self contained with water jacket cooling and contains the low and high pressure pumps. 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. 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. This was for MPFI. It does this every time..when you start a warmed up engine, its too rich and starts poorly without throttle. It works fine. functioning controller during engine operation. All times are GMT-6. There was a 1.5 point difference in afr between banks. This site uses cookies to help personalise content, tailor your experience and to keep you logged in if you register. EFI Systems based on Holley's world-class Dominator and HP ECU's.
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