running holley sniper without o2 sensor running holley sniper without o2 sensor

Your talking flames at that point, and it will definitely have an effect on the reading. 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. It does not look like anything particularly superior in concept. away. You must log in or register to reply here. Add to Cart . About your only location is in that short area from the log to the port face. Each engine has the Holley marine 2 barrel carburetor. Runs like a champ now. The basic kit comes with the TBI unit, touchscreen controller, water temperature sensor, a wideband oxygen sensor, and all the necessary wiring. EFI is the wave of the future. Is Holley working on a complete marine package or planning to in the future? test the sensor.. for a basic pass/fail of the sensor. On a side note: Im getting 4200 rpms at 5000 elevation with stock heads. EFI System Pro had everything I needed for my EFI upgrade. This Video Shows Ideal O2 Sensor Placement! I want to register an account for free right now! We use cookies to enhance your experience while using our website. The target A/F value based on load or MAF cfm, and engine speed. 534-199. Holley EFI has the solutions you need to get your project up and running better than ever! For gourmands, night markets not only offer scrumptious small . Customer Rating: 4.3 out of 5 stars: 4.5 out of 5 stars: I will keep the in-line pump for a spare. Free Shipping - Holley Sniper EFI Oxygen Sensors with qualifying orders of $99. One comes in the form of a Marine O2 Sensor Adapter from the folks at Howell EFI. Now the lower cost Holley Sniper advertised for March 31 2016. 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. Some parts are not legal for use in California or other states with similar regulations. QFI-500 Oxygen Sensor. If you have a manual tranny starting off without squealing the tires can be tricky because all four barrels open up at the same time. Description. JavaScript is disabled. Any exhaust down at engine level or lower will definitely get at LEAST some steam. 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. To take advantage of all the site features, please take a moment to register. 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. 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. Brass adaptor designed to install heated oxygen sensor in water-cooled marine exhaust risers. 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). 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. It works great where its at. Part# 534-199. 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? We may earn a small commission from affiliate links and paid advertisements. Sniper EFI Quadrajet Marine. running holley sniper without o2 sensorplymouth township mi police scanner. In the end I ended up using a Fuel Control cell made by Pleasure Craft Marine for their 351W engines. I'll let you know how it works out. 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. The engines are rated at 170 hp each. We can hear the initial fuel spray into the body, but it appears that its not enough to start the engine while hot. Jan 20, 2019. EFI Systems based on Holley's world-class Dominator and HP ECU's. $119.95. He had one there that was run on a dyno then the fuel map was set and shipped back. 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. When problem-solving this type of issue, consider when and how you could use a work-around. Phil said water would still get up over the snail and knock out the sensor. Introducing Sniper EFI Master Kits, with a Returnless Retrofit Fuel Module. 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. Items 1 - 21 of 21 Items. I purchased the Holley HP MPFI system and went to the lake with it. It turns out that this is a common problem with the Sniper EFI install on vehicles with a manual transmission. Any word on this? Sensors: Fitting: Threaded O2 . YES! So please, If you have problems registering or can't log into your account, please. Yes! It has about 18 hrs to date and is working great. One workaround was to leave it in gear and slow to a stop and push the clutch as RPMs drop . Had to replace the oxygen sensor on my car for the terminator x after the original one failed and this fixed all my problems. 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. Miami, FL. Top 10 Holley Sniper EFI Tech Tips Holley Technical Training Manager Tom Kise's top ten "suggestions" for Holley Sniper EFI System installation issues. Capability Range: Advanced 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. The ones in the Bosch box come without warranty. 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. 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. It does this every time..when you start a warmed up engine, its too rich and starts poorly without throttle. My question is concerning what happens a year later, when I have a top-end swap . Everyone else was backordered several months. VerticalScope Inc., 111 Peter Street, Suite 600, Toronto, Ontario, M5V 2H1, Canada. A replacement clamp on would be an easy change out. A forum community dedicated to performance boat owners and enthusiasts. Thanks for the compliment--we look forward to your feedback! Yes, this is an old thread, but it's an old unit. In this case, the prime shot is good for cold, but too much for warm. -- I particularly like the Daytona Sensors Approach to the Ignition Curve.- Are you pursuing Coast Guard Certification for the Sniper_EFi? Can more detail be provided? Spray a rag down pretty good with brake cleaner. If you have any exhaust leaks between the combustion chamber and 18-24" after the sensor you are going to have problems. Posted By : / actual instructions in flowcharting are represented in /; Under :nose exercise before and afternose exercise before and after 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. I wouldn't say "never", but the last time I asked that specific question I was told it wasn't anywhere on the horizon. RPM going up and down , miss firing and backfiring. Price Point: $$$. By Joshua C on August 10, 2021 | Verified Owner, Worked right out of the box. 1985 fj60 (sold back to Toyota), 1997 fzj80, 1971 fj40 with 75 2F. He also explains how to properly install them. Price Point: $$, EFI Systems based on Holley's world-class Dominator and HP ECU's. i'm not aware of a universal aftermarket EFI fuel pump kit that is USCG approved. That would be for individuals that run the OEM exhaust manifold, as well as individuals that run headers. 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. Could show a lean condition when in fact it really isn't. 2023 Holley Performance Products, Inc. All Rights Reserved. I installed the adapter and elbow so it's at an angle above the entry point. 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. 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. To simplify . There are drawbacks to that (as your tuner can explain in more detail) but it is doable, provided the system is correctly tuned initially. After discussing it in this thread and talking with Holley's tech support, I decided . 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)? This is the 02 sensor adapter I used. Innovate Motorsports HBX-1 Bung Extender. - You are currently viewing the forums as a GUEST. You have to angle it to help the throttle cable get around the booster. It could be an instant fix. so simple check first, whats the fuel pressure? Capability Range: Moderate Replacement Bosch Wideband Oxygen sensor for Sniper EFI and Terminator X systems. Good luck to all. Brass adaptor designed to install heated oxygen sensor in water-cooled marine exhaust risers. Sort. Sniper EFI 2300 Marine. Then if that doesn't work call the tech line they are great! Thanks guys. Found out that it was due to rfi/emi. 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. Are you running the entire system? looking at doing the same. So there is at least some probability of success. 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. 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. Sniper EFI Installation Guide. (Assuming it actually releases in November and there are enough units for me to purchase and receive one in December). Only a few hours on the motor but so far so good. JavaScript is disabled. Assuming that your current ignition works well with the marine carburetors it will continue to work well with the Sniper EFI System. Jun 7, 2021. I have also picked up another .5 gallons per hr to about 9.25 gph. Currently has 2 bbl carburetor and mechanical distributor, mechanical fuel pump for 165hp. I installed a holley sniper kit. Powering the Sniper, There are three wires that need to be connected to power on the Sniper, Red and Black main power wires, these need to be run directly to the battery and have a solid connection. Everything about the fuel prime shot can be adjusted. My boat is still in winter storage. No one cares about your buddies old antiquated garden hose technology. Held finger over IAC and it ran better, the thing was just wide open all the time and had nothing to suck. Otherwise I have to check for a place in my gasoline tank to put the lines in. 29. Sniper EFI Releases new Stealth 4150 Models! EFI EFI kit electronic fuel injection. Fine tuned the timing to 12-15 degrees. New 100 owner, long time cruiserhead - https://forum.ih8mud.com/threads/new-100-owner-long-time-cruiserhead.1300238/. It is the ratio between the mass of air and the mass of fuel in the air-fuel mix at any given moment. 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. But it is going to be a little tricky. Come join the discussion about offshore racing, performance, modifications, builds, classifieds, troubleshooting, maintenance, and more! The Sniper will do that. The O2 sensor burned out immediately. Holley EFI has the solutions you need to get your project up and running better than ever! The spark must be manually tuned. 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. $108.95. Use a return fuel line. I installed one also on mercruiser 260 hp. Do you offer a USCG fuel pump kit? You must log in or register to reply here. Never tried it myself or know anyone fwho has, but Little kids play hooky . big kids play. Price Point: $$, Robust, feature-rich multi-port EFI systems offer easy plug-and-play late-model V8 engine swaps. Welcome to Club Cobra! An adapter harness is available to connect this distributor directly to the Sniper EFI throttle body. The O2 sensor burned out immediately. well I have installed the Sniper on my 460 KEM (Ford) marine motor. $132.95. Sniper EFI 4bbl Marine. It's fast, simple and absolutely free. What I don't want to do is spend more money on the headers than on the fuel injection upgrade and new propeller set. Are you running the latest software? Have you visually verified that all your injectors are spraying? This completes the basic installation of the Holley Sniper EFI 4150 Super Sniper 1250/650 kit. . I am a competent mechanic and I have checked all the usual suspect items. I think installing a wide band O2 sensor in the manifold(s) is a great idea. I installed a holley sniper kit. Tips on how to measure the correct location and other considerations when welding in an O2 sensor bung. Has anyone run an O2 sensor in an EFI on a marine engine? 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. Holley EFI. 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'm 3" down from the bottom of the flange to center of bung. If you call, they usually let you put in your name and they get back to you. It works fine. As far as a sensor goes, absolutely nothing. Yes, this is going to be an added expense, however, it will help guarantee your success. Fuel economy went from 12.5 to 13.5 gph to 10 gph. Capability Range: Advanced Wideband vs Narrowband sensors - A narrowband O2 sensor is only calibrated to . Sep 14, 2021. 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. Incense-veiled temples with exquisite carvings and paintings dating back to dynastic times blend seamlessly in streets of the modern city. However, there's a good chance you will want to add a wideband O2 sensor at some point, in order to give the MegaSquirt more tuning information. From time to time we receive phone calls from individuals who are interested in converting their carbureted boat motor to fuel injection. The right side o2 was obviously reporting a fat 10.3 afr as a result, but the car still went 139mph, LOL. Advertising . I have a boat with twin 3.7 Mercruisers. 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. Pink switched power wire, this needs to be connected to a point that is 12V in run and while cranking. Anti-Seize pre-applied to sensor threads. 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. . From there, our highly trained factory refurbish technicians flow the original fuel injectors. Part # 554-155. Copyright 2017 Cyberspace Automotive Performance, Inc. All Rights Reserved. Replacement Sniper and Terminator X O2 Sensor. 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. Some logs have water up to just short of the port. I was thinking aluminum heads would run it up closer to 5,000 rpm. But you have to get it tuned. Prime cannot be adjusted on this old unit. (Assuming it actually releases in November and there are enough units for me to purchase and receive one in December). 10 min read Video. Next, the new unit was installed onto the manifold. Search for O2 Hotel Taipei Main Station discounts in Taipei City with KAYAK. This is great information that can only get you closer to an ideal solution. - Do you know of a Carburetor Builder who has addressed the Coast Guard certification issues with the Sniper EFI? With the sniper as long as you locate the o2 sensor where it gets good feedback and stays dry long enough to get a good tune you could lock it so even if the o2s get wet it still runs good. Part# 550-511. Replaced O2 sensor but continued to have AFR issues running too rich. While those work great on an automobile, you likely won't begin to get these marine installations setup with a handheld. But this also makes me wonder what you did for the O2 sensor. Bolt-on carburetor style EFI for your classic car or truck. Q2. Specs. The World's largest Went with around .525 lift, 270 duration on a 114 LSA and the car was sucking vacuum like a new hoover. You'll also notice that the firing order is 1-6-5-4-3-2. My bet based on longer pump run, to make pressure, you have a leaking injector. 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. I want to remove the old fuel injected Mercruiser factory EFI on both engines because they have begun to be troublesome. Aug 17, 2013. My hand is holding the connector to the sensor. 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. The Sniper EFI master kit contains the most complete EFI fuel system on the market. 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. But you still risk a little water running back at low Rs. Holley Sniper EFI Oxygen Sensors 554-155 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. Make sure to put anti seize on the threads. Sadly, no. All times are GMT-6. Please consult the Holley Sniper full manual and use this guide for supplemental clarification. 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. PS, Once someone has a good 270/350 tune, everyone can use it. Get fast, Free Standard Shipping on orders over Summit Racing Equipment from $99 -- no shipping, handling, or rural fees! You are using an out of date browser. Be sure to disable autotune and remove the O2 sensor before it dies. Part# 554-155. holley efi. No matter what I do, it will not start. I have tried several different settings to get it going, no luck. HP comes from torque and rpm and rpm breaks things and increases wear. As far as warranty goes, Holley products are covered by a 90-day warranty against defect in material or workmanship. Distributor and ignition box? replaced my original terminator x sensor that was mounted in an exhaust that took on some water and killed the original sensor. If you find that please let us know. Thanks again for writing! Purely coincidence about the '2300' number. I have not yet got it figured out. Thanks for the heads up. Menu. John 1:5, 1969 FJ40 2F with Holley Sniper EFI, Power Disk Brakes Front & Rear, Downey, Your post has peaked my curiosity. These often don't work with stock ECUs, so your best bet is to weld in a second bung for the wideband sensor. I have not had it on the dyno with the sniper, but would guess probably about 400 to 410 hp and well over 500 tq.I did use the holley pump that came with the sniper. Staff Writer. 2014 FJ Cruiser - White - 4X4 - Loaded - . 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. $43 per night (Latest starting price for this hotel). As far as packaging goes, one comes in a Bosch box, the other in a Holley package. There is no problem getting this tuned and then running open loop. Look at the bottom.. Similarly, no multi-point fuel injection (MPFI) systems existed that were USCG approved. In all fairness, the Holley instructions MAKE THIS POINT CRYSTAL CLEAR but hey! Most water jacketed header manufacturers (Lightning, CMI, etc) will install 02 bungs in their headers for extra money. Not always the case with a boat. 2. Pricing was reasonable, shipping was prompt and Chris helped me with a wiring question during my install. That is defacto step one in trouble shooting fuel injection systems. Parts List: 1) Holley Sniper 2300 EFI Kit (Do not buy the kit with fuel lines and pump etc. I recommend popping for the Master . 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. I am happy with Holleys no hassle replacement of the parts. Also, with Headers you loose 600 to 700 degrees between Head and bottom collector, you don't want to read that loss. Let me know how I can be of assistance. Boats don't cruise at 60mph up and down hills. Shop Oxygen Sensors at Summit Racing. EFI System Pro also has a good bit of tech info on their website. Holley 554-100 NTK Wideband Oxygen Sensor. Put an end to cold start issues, hesitations, vapor . The bottom line is that trying to run EFI on a marine engine is not something you can do as an afterthought. Replacement Bosch Wideband Oxygen sensor for Sniper EFI and Terminator X systems. The first option is to just buy the injector body and the controller with the wiring harness and sensors. And who can blame them? The Sniper EFI throttle-body drops in place of your . That sounds like one solution. Holley sniper issue on newly rebuilt motor, Holley Sniper with Duraspark and timing control. I've dunked mine lots of times. 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). Add to Cart . 3. 4. Comes VERY complete.throttle cable bracket, kickdown bracket, base plate studs & nuts, heat shrink type connectors, and pretty decent instructions as well.