Find a lower price anywhere and we'll beat it by 5%! Advanced throttle body injection systems capable of transmission control and more. With a bad TPS you will have to manually prime to try and get it . Specs. Yes, this is going to be an added expense, however, it will help guarantee your success. Thanks again for writing! No one cares about your buddies old antiquated garden hose technology. Distributor and ignition box? Holley Sniper Installation Supplement Please note, a Holley Sniper instruction manual, as well as some small parts that come with the . Then if that doesn't work call the tech line they are great! Has been since the 80's. Some parts are not legal for use in California or other states with similar regulations. I am happy with Holleys no hassle replacement of the parts. Fortunately, it turns out there are some options. Price Point: $, Advanced throttle body injection systems capable of transmission control and more. I really dont want any issues on the whitewater lol Systems that were already designed for marine efi. 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. I will keep the in-line pump for a spare. You will still get some water on the engine side of the snails, mainly at low Rs. The spark must be manually tuned. - You are currently viewing the forums as a GUEST. As always, your results may vary and batteries not included. When either of these operating temperature ranges is exceeded, the sensor can no longer be . I have tried several different settings to get it going, no luck. Part# 534-199. Tech Resources. Most water jacketed header manufacturers (Lightning, CMI, etc) will install 02 bungs in their headers for extra money. Holley Sniper Marine EFI | Bloodydecks 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. The oxygen sensor should be mounted at a point where it can read a good average of all the cylinders on one bank. Sniper EFI Quadrajet Marine. I'm looking for some more practical and scenario-specific advice; that's one small piece of it. 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. $102.95. 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. The Sniper will do that. 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. 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. I will let you know what happens. Purely coincidence about the '2300' number. 2023 Holley Performance Products, Inc. All Rights Reserved. Converting Marine Engines to EFI | EFI Pro Hangout | General Studies 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. I installed a holley sniper kit. Have engine apart and head checked and cleaned at machine shop. From there, the idea is that it will self-tune to the requirements of the engine. Homemade body parts replace the originals as they rot away but it's a 40 on the inside. Jan 20, 2019. Pay close attention to the instructions on O2 sensor placement. . Holley Oxygen Sensor O2 Bung Weld-In Style; Larger Image. It flows 850 cfm and can support up to 650 horsepower. Sniper EFI 4bbl Marine. My Lightnings have a bung welded through the water and into the dry exhaust area at the collector. The throttle body has a built in fuel pressure regulator set at 58.5 psi. (If I am incorrect I heartily invite your comment at the bottom of this article!) What I don't want to do is spend more money on the headers than on the fuel injection upgrade and new propeller set. Holley Sniper - Oxygen Sensor Location Thread starter GA Architect; . #1. running holley sniper without o2 sensor - dowdcreative.com 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. We also use content and scripts from third parties that may use tracking technologies. 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. 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. VerticalScope Inc., 111 Peter Street, Suite 600, Toronto, Ontario, M5V 2H1, Canada. Part# 50-5009QFT. Full time feedback from the sensor is what the computer uses to refine the fuel table. Idle and off-idle performance (particularly as the engine goes into gear.) Initial Calibration in Basic Configuration. 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. It flows 850 cfm and can support up to 650 horsepower. Free ground shipping regardless of order size! Thanks for the compliment--we look forward to your feedback! On my system, I machined in the O2 sensor right between the snail and the manifold of a BBC. Aug 17, 2013. - The sales brochure refers to Integrated Ignition Timing Control and Coil Driver. Sniper EFI 4500 Marine. Introducing Sniper EFI Master Kits, with a Returnless Retrofit Fuel Module. you don't want to read that loss. They have mods that help. Without Headers Steamers location (above) is perfect, up close to the engine where you have not lost much heat. Add to Cart . This site uses cookies to help personalise content, tailor your experience and to keep you logged in if you register. Find a lower price anywhere and we'll beat it by 5%! quick fuel. Are you running the entire system? 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)? I have not gone back in to try to fine tune them. Sniper EFI Releases new Stealth 4150 Models! 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. Thanks. Followed all the instructions to the letter. In the end I ended up using a Fuel Control cell made by Pleasure Craft Marine for their 351W engines. You will need an O2 sensor to measure fuel needs, but it could be tuned manually like in the old days. I am a competent mechanic and I have checked all the usual suspect items. Some logs have water up to just short of the port. You are using an out of date browser. (Image/Wayne Scraba) The throttle body is a bolt-on replacement for a carburetor. Yes! Sniper EFI - Holley 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. Car runs perfect . Holley EFI Usb/Can Harness, Sniper Tbi. It appears that its a tuning issue. For a better experience, please enable JavaScript in your browser before proceeding. That would be for individuals that run the OEM exhaust manifold, as well as individuals that run headers. I have searched thru the forum as much as I can, with not much luck. replaced my original terminator x sensor that was mounted in an exhaust that took on some water and killed the original sensor. I have also installed a sniper system on a 350 Mercruiser and was wondering if you have done any tuning on yours yet? 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). EFI EFI kit electronic fuel injection. is donald smith still alive; julie grant court tv cheerleader Holley sniper issue on newly rebuilt motor, Holley Sniper with Duraspark and timing control. Without the engine running, AFR will read 35.6 The fuel pump will run off a relay in the sniper harness (blue wire) pink wire gets switch/run power to the relay. The truck started fine after install, and ran down the road ok. We use cookies to enhance your experience while using our website. 5. AFR was 19 area. 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. A forum community dedicated to performance boat owners and enthusiasts. Here's the pic of the location with my header. well I have installed the Sniper on my 460 KEM (Ford) marine motor. Holley's self learning system is a blessing and a curse. watch the values in the software for the o2.. once is is done "Heating" and starts to show AFR, wrap the rag round it. As far as a sensor goes, absolutely nothing. 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. One of the benefits of using any Holley EFI system is that it self learns and tunes on its own. Installing Holley's Sniper EFI Quadrajet System on a 1970 Corvette Holley Sniper first start No o2 sensor - YouTube 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. I thought the clamp on style mount was a good idea in case the threads got buggered up when a sensor change might occur, and the threads are rusted up by then. I would send an Email to Chris at EFIsystempro. Oxygen (O2) Sensor - Is an electronic device that measures the proportion of oxygen (O2) in the exhaust gas. running holley sniper without o2 sensor - plural.works To close this one out, below is a photo of where I installed the O2 bung. For the most part, the small harness is plug-and-play. 2. I will keep the replacements as spares. This boat has a non-vortech motor with a 2 bbl gm intake i'll need to replace. Staff Writer. Register now for free! Brass adaptor designed to install heated oxygen sensor in water-cooled marine exhaust risers. Installing MegaSquirt in Parallel With the Stock ECU 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. 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. It has about 18 hrs to date and is working great. ), 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. Jun 7, 2021. Once the tune is complete, the O2 sensor can be defeated or . I've installed several of these adaptive EFI's on cars with great success. My bet based on longer pump run, to make pressure, you have a leaking injector. Don't know about HP increase, with the QFT 750 it would turn a 212/4.0 combo to about 3950 to 4000, the Sniper turns it to 4000 to 4100. Holley Sniper EFI Returnless Master Kit - Black Ceramic O2 sensor failure on a Holley Sniper EFI - YouTube This Video Shows Ideal O2 Sensor Placement! Replaced and gapped to .45 all spark plugs. p.s. This requires removing the plug with a breaker bar, and using a 1/2 NPT to 3/8 NPT adapter to mount the Sniper sensor. Taipei has dozens of world-class restaurants where gourmets can sample the most authentic Chinese cuisines. Replacement Bosch Wideband Oxygen sensor for Sniper EFI and Terminator X systems. And the relay and fuse were mounted along the firewall. Conditions when closed loop o2 should be turned off. 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? It is possible for the ECU to have an internal failure that can kill O2 sensors. New 100 owner, long time cruiserhead - https://forum.ih8mud.com/threads/new-100-owner-long-time-cruiserhead.1300238/. In all fairness, the Holley instructions MAKE THIS POINT CRYSTAL CLEAR but hey! Note the temperature sensor mounted on the back of the driver side head in the above photo. Holley Sniper EFI Wideband Oxygen Sensor. The World's largest They have been working out well for a few years now. Installed a Lokar throttle linkage bracket custom made for the Sniper, removing the old one that had been on my Holley 750. 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. 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. Seems to LEARN much faster than the Fitech did. 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 twin 502 factory fuel injected Mercs and want to go to adaptive EFI. To take advantage of all the site features, please take a moment to register. If you are not running the latest software stop guessing and go download it. 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. Price Point: $$, Robust, feature-rich multi-port EFI systems offer easy plug-and-play late-model V8 engine swaps. I am considering the Daytona Sensors Ignition module. #3. turn on the ignition.but do not start the engine. Late to the party but here's where mine are installed. 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? He knows his stuff, gets back quickly to you, etc. 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. Only a few hours on the motor but so far so good. The wiring was a bit of a mess. The O2 sensor burned out immediately. pull the sensor out of the exhaust. This is great information that can only get you closer to an ideal solution. Even though you now have the USCG-approved Sniper EFI System as an option for your new EFI System you're not quite out of the woods yet. Everyone raving about customer service is telling the truth! I received my replacement TPS and O2 sensor. Part Number: 510-554-155. Holley Sniper Efi - Mean Chicken Jet Boat Forum While those work great on an automobile, you likely won't begin to get these marine installations setup with a handheld. Could show a lean condition when in fact it really isn't. It turns out that this is a common problem with the Sniper EFI install on vehicles with a manual transmission. 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. 29. Do you offer a USCG fuel pump kit? For gourmands, night markets not only offer scrumptious small . O2 sensors are water proof. You should then have at least 18-24" of pipe after the sensor. Ive got a set of bassett headers for a BBC, ill see if they can fit under the transom. Thinking about this I think this will work very fine! 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! Price Point: $$, EFI Systems based on Holley's world-class Dominator and HP ECU's. Just a rumor. Holley Sniper EFI Oxygen Sensors 554-155 I installed a Holley sniper system on my car and I've been fighting it for 2 weeks now. I also capped off the regulated return line with a hose, clamps, and chamfering bit. From there, our highly trained factory refurbish technicians flow the original fuel injectors. Holley 554-100 NTK Wideband Oxygen Sensor. Had to replace the oxygen sensor on my car for the terminator x after the original one failed and this fixed all my problems. Thanks for the feedback on this adapter, Donald. Looking for some advice pertaining to Holley Sniper and Tire Size upgrades. Copyright 2017 Cyberspace Automotive Performance, Inc. All Rights Reserved. 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. Holley Sniper EFI - Page 3 - Offshoreonly.com Using the correct length carb stud and nuts, tighten the Sniper EFI throttle body down progressively in a "criss-cross" pattern (60-80 in.lbs.). 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. Sniper throttle body linkage opens all four barrels evenly when you depress the throttle. Has anyone run an O2 sensor in an EFI on a marine engine? As far as warranty goes, Holley products are covered by a 90-day warranty against defect in material or workmanship. $119.95. 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. Top 10 Holley Sniper EFI Tech Tips Holley Technical Training Manager Tom Kise's top ten "suggestions" for Holley Sniper EFI System installation issues. Q3. Bolt-on carburetor style EFI for your classic car or truck. Replacement Sniper and Terminator X O2 Sensor. I will be calling around to see if I can find someone to help that has experience. a leading manufacturer of aftermarket Wideband O2 sensor kits, the following may damage or destroy oxygen sensors: . O2 Sensor Mounting: The O2 needs to be mounted 6-8" after the merge in the header collector. 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. And who can blame them? So there is at least some probability of success. The included fuel system places a 340LPH fuel pump in the tank, which can easily be . This page was generated at 08:35 AM. 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. It works fine. It does not look like anything particularly superior in concept. It may not display this or other websites correctly. blue doberman puppies. Holley EFI. Service Oxygen Sensor for Sniper EFI Systems, Service Oxygen Sensor for Terminator X Systems. Thanks guys. 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. The adapter plate installs in between the exhaust manifold and the riser/elbow allowing for the water jackets to still be in place and an o2 sensor to be installed in the still dry exhaust gasses. On a side note: Im getting 4200 rpms at 5000 elevation with stock heads. Yeah, it may sound hokey to some, but is just one option to solve the issue where you are and with what you have. 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. It does not work with the Sniper EFI oxygen sensor. Air-Fuel Ratio (AFR) - The most common reference term used for mixtures in internal combustion engines. EFI is the wave of the future. . away. If this could be disabled it would be much better. Holley EFI 554-155 Holley EFI Oxygen Sensor I have not yet got it figured out. I thought about adding some sort of extra protection but never did. *Free Shipping & Handling only offered to the contiguous US on orders over $100, excludes clearance parts and oversized packages. Let him re-jet the carb (a wee bit on the fat side for safety) and reset the timing and try again. I am in the middle of a repower of twin BBC 481, mild cam which will need to be recarbureted. Sensors: Fitting: Threaded O2 . I wouldn't say "never", but the last time I asked that specific question I was told it wasn't anywhere on the horizon. The in tank pump is quieter, will normally run cooler and should last longer. To simplify . Have to replace head gasket. Search for the cheapest hotel deal for O2 Hotel Taipei Main Station in Taipei City. I had an injector fail after a month of running and called the tech line who helped me figure that out. I recognize that it would be an absolutely tremendous investment, but based on the overwhelming response we get to this post I am pretty confident that the market is there. There was a 1.5 point difference in afr between banks. Any exhaust down at engine level or lower will definitely get at LEAST some steam. The engine floods and it is embarrassing when leaving a lock. 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. Mike. Holley Sniper - Oxygen Sensor Location | IH8MUD Forum Joe, where did you end up installing the o2 sensor on your setup? If the indicator reads "LOW Err" double check the connection to the CTS. Robust, feature-rich multi-port EFI systems offer easy plug-and-play late-model V8 engine swaps. I did--- Save your money and piece a fuel it together. Apr 13, 2017. with the extension. QFI-500 Oxygen Sensor. 534-199. $43 per night (Latest starting price for this hotel). To my knowledge, there is no aftermarket EFI fuel system suited to fuel the Sniper EFI system that exists on the market. You'll also notice that the firing order is 1-6-5-4-3-2. Top 10 Holley Sniper EFI Tech Tips Holley Technical Training Manager Tom Kise's top ten "suggestions" for Holley Sniper EFI System installation issues. Copyright 2022 Holley Performance Products, Inc. All right reserved. 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. Holley sniper help!!!! | ClassicBroncos.com Forum Shop Oxygen Sensors at Summit Racing. Part # 554-155. Seems to have more low end tq and is much smoother power through out the rpm range. Great Article. One of the most common causes of poor idle is improper O2 sensor placement or trying to run closed loop at idle . GA - As close to the lake as I can afford A powerful, MICRO BlueTooth in dash audio solution! Free ground shipping regardless of order size! 1985 fj60 (sold back to Toyota), 1997 fzj80, 1971 fj40 with 75 2F. So far so good. Q1. Without Headers Steamers location (above) is perfect, up close to the engine where you . If you have long tube headers, mount the sensor approximately 6-10" after the collector. 10 min read Video. Brand: Holley EFI Emission Code: 5: Material: . 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 really applies to any O2 sensor regardless of EFI system. The opposing pistons share a crankpin the way they do in a V-8, but the fact that there are only three cylinders on each bank means that the plugs fire at 90-150-90-150-90-150 intervals. 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. #HM206 - ADAPTOR, O2 SENSOR for Marine use - Howell EFI Conversion It will flood itself out and won't start back, just crank and crank. Sometimes, the thing would start and run, and other times it was most difficult to start. The first option is to just buy the injector body and the controller with the wiring harness and sensors. Ideally I'd want the power plant running as efficiently as possible, but I'd sure like the benefit of EFI over carb. There are drawbacks to that (as your tuner can explain in more detail) but it is doable, provided the system is correctly tuned initially. Thanks for that, Danny. We can hear the initial fuel spray into the body, but it appears that its not enough to start the engine while hot. Welcome to Club Cobra! My spare "Bosch O2 Sensor" came from eBay & was half the price of anywhere else I found. Welding in an O2 Sensor Bung for a Holley Sniper EFI System CUSTOM ART FOR CUSTOM NEEDS. Sort. I had an o2 sensor fail on a pass yesterday, and flatline at 11.5afr. Increasing efficiency is always a good idea. The Sniper EFI master kit contains the most complete EFI fuel system on the market. The very basic fuel and spark tables are the limiting aspect, Holley does offer advanced software for more precise tuning. Price Point: $$$. I think I could run more boost but it's a real hand full right now. Install the throttle linkage to the Sniper EFI throttle body. Categories. 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 hos. Installed the sniper/MSD combo on my mildly built 460 KEM. No prime, but a second later it's ready to crank 'normally'. Sniper EFI 2300 Marine. Holley sniper issues - 1969-70 Technical Forum - 69stang.com and 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. This completes the basic installation of the Holley Sniper EFI 4150 Super Sniper 1250/650 kit. Much of the system is encased right inside the throttle bodyand that includes the ECU. Sep 14, 2021. 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 . Greatest struggle is the shift interrupt. When I went to Holley HP, I found an adapter by Innovate that is designed to draw air out the exhaust stream and away to the O2 sensor.
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