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The oxygen sensor should be mounted at a point where it can read a good average of all the cylinders on one bank. Initial Calibration in Basic Configuration. I have searched thru the forum as much as I can, with not much luck. . Followed all the instructions to the letter. : For registered members this ad will NOT show. *Free Shipping & Handling only offered to the contiguous US on orders over $100, excludes clearance parts and oversized packages. 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. Copyright 2017 Cyberspace Automotive Performance, Inc. All Rights Reserved. It flows 850 cfm and can support up to 650 horsepower. It doesn't even mean that you can't do it. Installed a Lokar throttle linkage bracket custom made for the Sniper, removing the old one that had been on my Holley 750. Bosch 17025 Oxygen Sensor #1 Best Seller . Oxygen (O2) Sensor - Is an electronic device that measures the proportion of oxygen (O2) in the exhaust gas. 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. Welding in an O2 Sensor Bung for a Holley Sniper EFI System Stay up to date with the latest releases, events, promotions and more. It will flood itself out and won't start back, just crank and crank. 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. Below are the most common sensor usages in a Holley EFI system, however pressure transducers can be applied to any form of pressure in an automotive system, from oil pressure, to exhaust back pressure, and the data gathering usages in racing can get quite creative. Add To Cart. Use a return fuel line. Part# 554-155. holley efi. Systems that were already designed for marine efi. O2 Hotel Taipei Main Station - KAYAK running holley sniper without o2 sensor - plural.works I know from some of the other posts, there have been WBO2 sensor issues. That sounds like one solution. replaced my original terminator x sensor that was mounted in an exhaust that took on some water and killed the original sensor. I'll let you know how it works out. Staff Writer. I didn't read all this, but yes, the EFI system can be run without a WBO2 sensor. Part# 554-155. Douglas Cline. 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. The light shines in the darkness, and the darkness has not overcome it. 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. Free ground shipping regardless of order size! 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. This completes the basic installation of the Holley Sniper EFI 4150 Super Sniper 1250/650 kit. Aug 17, 2013. (Image/Wayne Scraba) The throttle body is a bolt-on replacement for a carburetor. Here's the pic of the location with my header. One of the most common causes of poor idle is improper O2 sensor placement or trying to run closed loop at idle . The first option is to just buy the injector body and the controller with the wiring harness and sensors. Capability Range: Advanced O2 sensor placement is critical for getting your engine to read the oxygen in the exhaust correctly and can directly impact the performance of your new EFI installation. Capability Range: Advanced Stay up to date with the latest releases, events, promotions and more. The bottom line is that trying to run EFI on a marine engine is not something you can do as an afterthought. Please consult the Holley Sniper full manual and use this guide for supplemental clarification. Categories. Price Point: $$, EFI Systems based on Holley's world-class Dominator and HP ECU's. We also use content and scripts from third parties that may use tracking technologies. But MAP sensors are very easy to physically implement and are inexpensive. Other? Register now for free! It will crank and run great for 2-15 seconds then die. Has anyone run an O2 sensor in an EFI on a marine engine? 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. What I don't want to do is spend more money on the headers than on the fuel injection upgrade and new propeller set. I will be calling around to see if I can find someone to help that has experience. 1985 fj60 (sold back to Toyota), 1997 fzj80, 1971 fj40 with 75 2F. How To Properly Place and Install an O2 Sensor - Holley That would be for individuals that run the OEM exhaust manifold, as well as individuals that run headers. $43 per night (Latest starting price for this hotel). Holley Sniper - Oxygen Sensor Location | IH8MUD Forum As far as warranty goes, Holley products are covered by a 90-day warranty against defect in material or workmanship. The first thing to consider here (if you are in the USA) is US Coast Guard (USCG) Safety Approval. I will let you know what happens. Initially I was looking for the upgrade to a 4V holley 4175 carb, but this option has peaked my interest. Holley Sniper O2 sensor replacement. Holley EFI Oxygen Sensor. You must log in or register to reply here. Because the fuel maps are built on a speed-density (ie, engine RPM versus manifold air pressure) fueling strategy. In a horizontal or if pointed upwards it can collect exhaust condensation liquids upon start up. Also the progressive link. To my knowledge, there is no aftermarket EFI fuel system suited to fuel the Sniper EFI system that exists on the market. I was mocking it up at the time. Holley sent him a new one for free. You'll also notice that the firing order is 1-6-5-4-3-2. Otherwise I have to check for a place in my gasoline tank to put the lines in. 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. Without Headers Steamers location (above) is perfect, up close to the engine where you have not lost much heat. 10 min read Video. If this could be disabled it would be much better. so mine has been pretty good but 1 out 20 starts you can hear the fuel pump run longer then normal..when it does that it will light off then diebut if i put my foot to the floor it will start..still working on that 1..timing i am running 12 cranking.20 idle.40 cruze.35 wotstill playing with all of this..Mine is also a sniper stealth. Having the same problem with my sniper as well, intermittent hot (and cold) start issues. Come join the discussion about offshore racing, performance, modifications, builds, classifieds, troubleshooting, maintenance, and more! Without Headers Steamers location (above) is perfect, up close to the engine where you . Troubleshooting Holley Sniper that hesitates on acceleration I had an o2 sensor fail on a pass yesterday, and flatline at 11.5afr. Spray a rag down pretty good with brake cleaner. No matter what I do, it will not start. If this is a first time effort, find a tuner in your area with marine experience. suspect bad o2 sensor with Holley efi | Yellow Bullet Forums YES! Robust, feature-rich multi-port EFI systems offer easy plug-and-play late-model V8 engine swaps. Just a rumor. Staff Writer. One comes in the form of a Marine O2 Sensor Adapter from the folks at Howell EFI. Precisely Adam. I have tried several different settings to get it going, no luck. Is this a good upgrade? Replacement Bosch Wideband Oxygen sensor for Sniper EFI and Terminator X systems. It is the ratio between the mass of air and the mass of fuel in the air-fuel mix at any given moment. Hi all, i'm contemplating doing a sniper quadrajet swap onto my volvo penta 5.7 GL 2bbl holley motor in my 1997 cobalt 200 with the DP-S outdrive. The wide band O2 sensor is required for initial running and calibration. 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. 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. QFI-500 Oxygen Sensor. Since your existing low-pressure fuel system is not going to work with the Sniper EFI System this puts you in the unenviable position of choosing between USCG compliance or EFI. 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. I'm guessing by snail, that's another name for the riser? Anybody got a good 270hp 350 tune yet?I installed sniper efi on my boat runs good but feel like the wot should be better need to get the sniper controlling spark is my thoughts the old thunderbolt is either not great or timing wasn't right when I bought the boat but she runs great I just think this engine has more in it then I'm getting out of it at this time any tuning and timing advice would be great considering I'm awesome with carb n hei diet but new to efi and boat timing curve but not an idiot so I say. Adam. *Free Shipping & Handling only offered to the contiguous US on orders over $100, excludes clearance parts and oversized packages. Greatest struggle is the shift interrupt. 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. Have engine apart and head checked and cleaned at machine shop. 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. i'm not aware of a universal aftermarket EFI fuel pump kit that is USCG approved. From time to time we receive phone calls from individuals who are interested in converting their carbureted boat motor to fuel injection. Are you holding your RPMs back with the MSD for some reason? . JavaScript is disabled. A forum community dedicated to performance boat owners and enthusiasts. 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? 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. Marc, you don't mention which system you installed but the Holley systems are fully configurable. AFR was 19 area. The test run was great, they have never run so well even when they were new with carbs. While the Sniper has an absolutely outstanding internal ECU, the current model does not offer any laptop programmability. 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. 2 Reviews. 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. Purely coincidence about the '2300' number. Can more detail be provided? This really applies to any O2 sensor regardless of EFI system. This step is only for those installing their Super Sniper EFI on top of a draw-through or Roots-style blower. Supports up to 650hp with Four 100 Lb/Hr Injectors! They have mods that help. Oxygen Sensor is sold separately.Adaptor should be installed in a flat area of riser at least 6 before water blends with exhaust. I have a 74 bronco, 302, mild cam. Good luck! 74 FJ40 confined to the swamp. running holley sniper without o2 sensor - dowdcreative.com Prime cannot be adjusted on this old unit. I will be starting mine up this month, I hope it goes well, good luck to you. I installed the adapter and elbow so it's at an angle above the entry point. 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. excessively rich mixtures), Mechanical shock (e.g. Part # 554-155. But you've found the right one for your Holley Sniper EFI System OR your Terminator X EFI System. away. Let him re-jet the carb (a wee bit on the fat side for safety) and reset the timing and try again. I want to register an account for free right now! Holley Sniper EFI Returnless Master Kit - Black Ceramic This page was generated at 08:35 AM. 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. I am a competent mechanic and I have checked all the usual suspect items. Visit their website for more details. Joe, where did you end up installing the o2 sensor on your setup? Holley EFI requires several pressure inputs in order to run an engine. Advanced throttle body injection systems capable of transmission control and more. It may not display this or other websites correctly. Yellow Cold! . Next, the new unit was installed onto the manifold. I purchased the Holley HP MPFI system and went to the lake with it. Idle and off-idle performance (particularly as the engine goes into gear.) I am looking for a TBI with full sensors, mainly atmospheric for Sept and Oct and a Idle Air sensor for warm starts.I welcome your thoughts.Regards, From there, our highly trained factory refurbish technicians flow the original fuel injectors. 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. What Is Pinion Offset, And How Does That Affect You? Then they had it repaired and back to me in 5 business days. Did you use the Holley fuel pump and have you had any issues with it? Finally, do you also recognize that the self-tuning feature of the Sniper EFI may not result in an acceptable configuration for your boat and, as such, may require you to seek professional tuning? VerticalScope Inc., 111 Peter Street, Suite 600, Toronto, Ontario, M5V 2H1, Canada. May 1, 2018 They want you to angle it to keep it from fouling. 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. I've been building a TBI system from GM parts to use on a 1987 Wellcraft with the Mercruiser 4 cylinder engine. Welcome to ClassicBroncos! I'm using the NTK sensor. I am in the middle of a repower of twin BBC 481, mild cam which will need to be recarbureted. 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. When you purchase through links on our site, we may earn an affiliate commission, which supports our community. Anti-Seize pre-applied to sensor threads. CTS (Coolant Temperature Sensor) - Reads engine temperature. While these base maps are generally quite good for cars they are going to be pretty far off in the case of marine applications. Everything about the fuel prime shot can be adjusted. If you're not running one (or if you are and the water has killed it) then it is not surprising that you are running rich. 2023 Holley Performance Products, Inc. All Rights Reserved. Will I be able to run both systems off of one fuel pump? What motor is this on? In the case of the car, you can generally get out and walk (run?) Those "flames" are still consuming O2 that would otherwise not be read by a sensor in the correct location. 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. 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.). Search for O2 Hotel Taipei Main Station discounts in Taipei City with KAYAK. Installing Holley's Sniper EFI Quadrajet System on a 1970 Corvette The new Exhaust manifolds will have wideband O2 bungs for tuning. There are five significant plug connections to make from the throttle body: Plug into the oxygen sensor. I really dont want any issues on the whitewater lol So far so good. The Tech Tips and discussions are also great! Price Point: $, Advanced throttle body injection systems capable of transmission control and more. Holley Sniper Efi - Mean Chicken Jet Boat Forum It should be pretty straight forward what each of these values do. Bolt-on carburetor style EFI for your classic car or truck. 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. holley efi. blue doberman puppies. 29. Jan 20, 2019. You will still get some water on the engine side of the snails, mainly at low Rs. The Sniper EFI master kit contains the most complete EFI fuel system on the market. Other countries likely have simmilar approval processes for marine engines. Got a picture? Add to Cart . Search for the cheapest hotel deal for O2 Hotel Taipei Main Station in Taipei City. By Joshua C on August 10, 2021 | Verified Owner, Worked right out of the box. JavaScript is disabled. Holley 2300 is their nomenclature for a 2-bbl generic fitment carburetor. Could show a lean condition when in fact it really isn't. Great Article. Found out that it was due to rfi/emi. Note, that is not a crack in the exhaust manifold, just a shadow from a casting flaw. temporarily running without WBO2 sensor? - Holley 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. 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. 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. 29. Most water jacketed header manufacturers (Lightning, CMI, etc) will install 02 bungs in their headers for extra money. 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. See Details. If you have any exhaust leaks between the combustion chamber and 18-24" after the sensor you are going to have problems. Maybe my manifolds leaked the inside between the snail and the log?? Everything is included to completely plumb your fuel system including; 20 feet of 3/8" EFI Hose, in-line fuel pump, post and pre fuel filters, return bulkhead, and all of the necessary fittings and hardware. All of the wiring exits below the rear fuel injector cover, for a completely stealth installation. It appears that its a tuning issue. It may not display this or other websites correctly. 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. 92 YJ 4.0, AX-15 5spd, np231, dana 30 front, dana 35 rear. Pay close attention to the instructions on O2 sensor placement. Holley Oxygen Sensor O2 Bung Weld-In Style; Larger Image. 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. pull the sensor out of the exhaust. When buying the Holley Sniper EFI kit, you've got two basic options. New 100 owner, long time cruiserhead - https://forum.ih8mud.com/threads/new-100-owner-long-time-cruiserhead.1300238/. Had to replace the oxygen sensor on my car for the terminator x after the original one failed and this fixed all my problems. PS, Once someone has a good 270/350 tune, everyone can use it. Wideband Realities: The Truth About Oxygen Sensors - EngineLabs Posted By : / actual instructions in flowcharting are represented in /; Under :nose exercise before and afternose exercise before and after Q3. Went with around .525 lift, 270 duration on a 114 LSA and the car was sucking vacuum like a new hoover. Sadly, no. The Sniper EFI throttle-body drops in place of your . 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. The engine floods and it is embarrassing when leaving a lock. Q2. Free Shipping - Holley Sniper EFI Oxygen Sensors with qualifying orders of $99. Seems to have more low end tq and is much smoother power through out the rpm range. Pricing was reasonable, shipping was prompt and Chris helped me with a wiring question during my install. test the sensor.. for a basic pass/fail of the sensor. This requires a considerable additional investment but as long as you're doing things you're not going to do them half-way, right? 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. Sniper EFI 2300 Marine. Holley Sniper EFI Self-Tuning Kit - Black Ceramic Finish. I would back-burner the ignition control questions until you get the fuel injection working. I do agree if he can get it tuned prior to fouling he can lock that tune and run in open loop. I mounted it here attempting to protect it from the deep water I play in and from lots of branches I encounter. Once the tune is complete, the O2 sensor can be defeated or . Some logs have water up to just short of the port. So I bought the progressive linkage but you then have . check out the. To take advantage of all the site features, please take a moment to register. Then if that doesn't work call the tech line they are great! I had the pink ecu signal wire connected to a bullet connector on the passenger side . 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. Sort. No worse than taking the reading in the intake manifold cross over. My boat is still in winter storage. It could be an instant fix. What I think a lot of folks are missing is correct tuning of their carburetor engines Most inboard systems I worked on were intentionally set up to run rich with minimal timing (mostly to get through the warranty period). Capability Range: Moderate Wherever you go, the cultural kaleidoscope of Taipei showcases exhilarating diversity. John 1:5, 1969 FJ40 2F with Holley Sniper EFI, Power Disk Brakes Front & Rear, Downey, Your post has peaked my curiosity. Sponsored Links (REGISTERED USERS DO NOT SEE THIS POST/AD! Full product line and accessories at excellent pricing. CUSTOM ART FOR CUSTOM NEEDS. It does not work with the Sniper EFI oxygen sensor. About your only location is in that short area from the log to the port face. My question is concerning what happens a year later, when I have a top-end swap . Oxygen sensor: It's perfectly OK to share narrow band oxygen sensors with the stock ECU. Holley EFI 554-155 Holley EFI Oxygen Sensor Register now for free!) http://s621.photobucket.com/albums/tt291/Mark11530/?action=view¤t=MAH05771.mp4, http://www.holley.com/data/Products/Technical/199R10226.pdf. :-), I started using OMC and Volvo Penta pumps for my conversion. Add to Cart . 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)? 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. Make sure to put anti seize on the threads. There are drawbacks to that (as your tuner can explain in more detail) but it is doable, provided the system is correctly tuned initially. To close this one out, below is a photo of where I installed the O2 bung. 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. If it's working to prolong the life of the sensor in the AEM Wideband kit then there is no reason to believe it wouldn't work with any other sensor. The O2 sensor burned out immediately. 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. Price Point: $$, Robust, feature-rich multi-port EFI systems offer easy plug-and-play late-model V8 engine swaps. Does an yone have a pic of the O2 sensor in their exhaust? Was told by holley tech support to make adjustments to the fuel prime percent and multiplier settings, played with those with no major improvement. #1. When problem-solving this type of issue, consider when and how you could use a work-around. Sniper EFI Quadrajet Marine. The very front would be the safest place. the motor has the following mods, Aluminum heads, Performer intake, Sniper and MSD ignition module. Sorry for the late reply, Douglas. Also in Tools, Shop Equipment & Chemicals, Cataclean - Fuel and Exhaust System Cleaner, Cataclean Diesel - Fuel and Exhaust System Cleaner, Distribution Blocks, Filters, Adapters and Fittings, Microswitch and Solenoid Mounting Brackets, Holley EFI CAN to USB Dongle - Communication Cable, Hooker BlackHeart Oxygen Sensor O2 Bung 2.5" Clamp-On Style, Holley EFI Terminator X Wideband Adapter Harness, Earl's Oxygen Sensor Weld Fitting (Weld Bung) - Steel. 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. but I'm finding when running engines with holley sniper kits the the engines are very eratic ,the air fuel numbers are always changing drastically from one pull to . They are about 4 inches long, in-line between the log and manifold. you don't want to read that loss. I am concerned about the O2 sensor consideration, but in the end isn't the carburetor situation open loop? I tried holley tech support, no answer and put on hold for hours. Specs. I would send an Email to Chris at EFIsystempro. O2 Sensor in a boat exhaust | Performance Boats Forum