running holley sniper without o2 sensor

Sniper EFI Installation Guide. I have a 74 bronco, 302, mild cam. 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. The wiring was a bit of a mess. is donald smith still alive; julie grant court tv cheerleader I purchased the Holley HP MPFI system and went to the lake with it. Conditions when closed loop o2 should be turned off. Stay up to date with the latest releases, events, promotions and more. PRO's: Wideband O2 sensor harness is longer, allowing easier connection and routing. Have engine apart and head checked and cleaned at machine shop. Capability Range: Advanced As far as packaging goes, one comes in a Bosch box, the other in a Holley package. Purely coincidence about the '2300' number. In this case, the prime shot is good for cold, but too much for warm. Ive got a set of bassett headers for a BBC, ill see if they can fit under the transom. Price Point: $$, Robust, feature-rich multi-port EFI systems offer easy plug-and-play late-model V8 engine swaps. I've been building a TBI system from GM parts to use on a 1987 Wellcraft with the Mercruiser 4 cylinder engine. Howell indicates that this adapter was designed for the Chevy type Mercruiser manifold but that it should work on any similar marine wet manifold. Search for the cheapest hotel deal for O2 Hotel Taipei Main Station in Taipei City. $132.95. 1985 fj60 (sold back to Toyota), 1997 fzj80, 1971 fj40 with 75 2F. Sniper EFI Quadrajet Marine. 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. This step is only for those installing their Super Sniper EFI on top of a draw-through or Roots-style blower. Holley EFI has the solutions you need to get your project up and running better than ever! It is possible for the ECU to have an internal failure that can kill O2 sensors. From time to time we receive phone calls from individuals who are interested in converting their carbureted boat motor to fuel injection. O2 Sensor Mounting: The O2 needs to be mounted 6-8" after the merge in the header collector. $119.95. Replacement Sniper and Terminator X O2 Sensor. turn on the ignition.but do not start the engine. Without Headers Steamers location (above) is perfect, up close to the engine where you have not lost much heat. Wideband vs Narrowband sensors - A narrowband O2 sensor is only calibrated to . 5. Sorry for the late reply, Douglas. The fuel lines and fittings are 3/8s with 8AN fittings and everything on the 60 requires 5/16 fuel line with 6AN fittings) Holley Sniper EFI 550-849 Holley Sniper EFI 2300 Self-Tuning Kit - Shiny Finish. I am a competent mechanic and I have checked all the usual suspect items. 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. Product Q&A . Similarly, no multi-point fuel injection (MPFI) systems existed that were USCG approved. Douglas Cline. Are you running the entire system? Boats don't cruise at 60mph up and down hills. Phil said water would still get up over the snail and knock out the sensor. 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. Maybe my manifolds leaked the inside between the snail and the log?? Supports up to 650hp with Four 100 Lb/Hr Injectors! -- I particularly like the Daytona Sensors Approach to the Ignition Curve.- Are you pursuing Coast Guard Certification for the Sniper_EFi? This was for MPFI. Yellow Cold! #1. 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? The clamp-on that came with mine wasnt a good fit on my 2" pipe. Innovate Motorsports HBX-1 Bung Extender. 2. You will need an O2 sensor to measure fuel needs, but it could be tuned manually like in the old days. My spare "Bosch O2 Sensor" came from eBay & was half the price of anywhere else I found. 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. Bosch 17025 Oxygen Sensor #1 Best Seller . The right side o2 was obviously reporting a fat 10.3 afr as a result, but the car still went 139mph, LOL. As far as a sensor goes, absolutely nothing. . They have been working out well for a few years now. #1. 74 FJ40 confined to the swamp. I want to register an account for free right now! (Image/Wayne Scraba) The throttle body is a bolt-on replacement for a carburetor. I bought a new holley sniper , dual sync dist., coil, and holley in tank fuel pump, When engine got hot it would go crazy. It flows 850 cfm and can support up to 650 horsepower. Capability Range: Advanced You are using an out of date browser. About your only location is in that short area from the log to the port face. The truck started fine after install, and ran down the road ok. After some time, the truck will not start after it comes to operating temperature. I had questions on the suggested "Marine O2 Sensor Adapter" from Howell EFI (https://howellefi.com/product/adaptor-o2-sensor-for-marine-use/), but when I look to the pictures, I understand how it will work. My boat is still in winter storage. I think installing a wide band O2 sensor in the manifold(s) is a great idea. 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. Do you recommend in-tank or external fuel pump? Thinking about this I think this will work very fine! Pricing was reasonable, shipping was prompt and Chris helped me with a wiring question during my install. So please, If you have problems registering or can't log into your account, please. p.s. While these base maps are generally quite good for cars they are going to be pretty far off in the case of marine applications. 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. All times are GMT-6. Part Number: 510-554-155. The truck started fine after install, and ran down the road ok. I found this in the instruction manual for the older commander 950 system. It just means that if you are thinking you'll install this, crank it, and pull away from the dock with complete success you might be in for some disappointment. JavaScript is disabled. It only runs rich on start up for a second due to the prime, after start it runs great. The adapter will be fastened in both metal parts so that no water will reach the O2 sensor. Distributor and ignition box? Has anyone run an O2 sensor in an EFI on a marine engine? Holley EFI Oxygen Sensor. Newer ECMs have all the options to configure these functions. Mine is right where Steamers is, and works well with my AFI TBI. We use cookies to enhance your experience while using our website. Thanks for the feedback on this adapter, Donald. 3. O2 sensors are water proof. EFI System Pro had everything I needed for my EFI upgrade. On my system, I machined in the O2 sensor right between the snail and the manifold of a . :-), I started using OMC and Volvo Penta pumps for my conversion. Register now for free!) But it is going to be a little tricky. Went with around .525 lift, 270 duration on a 114 LSA and the car was sucking vacuum like a new hoover. check out the. WARNING: It is against the law to install this part on an Emissions Controlled Vehicle, By Corey A on June 4, 2021 | Verified Owner. well I have installed the Sniper on my 460 KEM (Ford) marine motor. Parts List: 1) Holley Sniper 2300 EFI Kit (Do not buy the kit with fuel lines and pump etc. Aug 17, 2013. 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. The Fora platform includes forum software by XenForo. Note, that is not a crack in the exhaust manifold, just a shadow from a casting flaw. Oxygen sensor: It's perfectly OK to share narrow band oxygen sensors with the stock ECU. AFR was 19 area. The following vehicles are considered Racing Use Only Vehicles: Holley is the new standard in EFI! Holley 554-100 NTK Wideband Oxygen Sensor. Capability Range: Advanced Sniper EFI 4bbl Marine. In the end I ended up using a Fuel Control cell made by Pleasure Craft Marine for their 351W engines. Customer Rating: 4.3 out of 5 stars: 4.5 out of 5 stars: Restore or update your Holley Sniper EFI System with this WBO2 Sensor 17025 Bosch 554-155 Holley. Have to replace head gasket. 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. The new throttle response was significant,fuel saving and gave me a turn key cold start.Still I can't have an idle speed under load and a turn key warm start. so simple check first, whats the fuel pressure? Why? Add to Cart . For gourmands, night markets not only offer scrumptious small . It has about 18 hrs to date and is working great. One of the benefits of using any Holley EFI system is that it self learns and tunes on its own. Free ground shipping regardless of order size! You must log in or register to reply here. I have searched thru the forum as much as I can, with not much luck. (REGISTERED USERS DO NOT SEE THIS POST/AD! I wouldn't say "never", but the last time I asked that specific question I was told it wasn't anywhere on the horizon. Let me know how I can be of assistance. Well an update on the Sniper install. One workaround was to leave it in gear and slow to a stop and push the clutch as RPMs drop . Holley sent him a new one for free. I will let you know what happens. Staff Writer. Ran about 5 seconds and died. Shop Oxygen Sensors at Summit Racing. Brand: Holley EFI Emission Code: 5: Material: . The adapter does require the removal of the manifold and some machining but it allows the O2 sensor to be placed into the exhaust flow but protects it from the water exiting the block. 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. Advanced throttle body injection systems capable of transmission control and more. As always, your results may vary and batteries not included. Next, the new unit was installed onto the manifold. Description. The fuel pump question is the tough one. away. I would back-burner the ignition control questions until you get the fuel injection working. What Is Pinion Offset, And How Does That Affect You? Q1. Was in marine engineering for years. The test run was great, they have never run so well even when they were new with carbs. To take advantage of all the site features, please take a moment to register. Otherwise I have to check for a place in my gasoline tank to put the lines in. But you have to get it tuned. It works great where its at. Holley Sniper Installation Supplement Please note, a Holley Sniper instruction manual, as well as some small parts that come with the . 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. EFI EFI kit electronic fuel injection. 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 will keep the in-line pump for a spare. EFI Systems based on Holley's world-class Dominator and HP ECU's. RPM going up and down , miss firing and backfiring. 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. Wideband Oxygen Sensor Extension Cable. I will be starting mine up this month, I hope it goes well, good luck to you. quick fuel. Thanks. The first option is to just buy the injector body and the controller with the wiring harness and sensors. Fuel economy went from 12.5 to 13.5 gph to 10 gph. 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? The new Exhaust manifolds will have wideband O2 bungs for tuning. (Assuming it actually releases in November and there are enough units for me to purchase and receive one in December). What I don't want to do is spend more money on the headers than on the fuel injection upgrade and new propeller set. Comes VERY complete.throttle cable bracket, kickdown bracket, base plate studs & nuts, heat shrink type connectors, and pretty decent instructions as well. 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. What is your fuel pressure at the carb during crank? I have a 74 bronco, 302, mild cam. When you purchase through links on our site, we may earn an affiliate commission, which supports our community. I'm 3" down from the bottom of the flange to center of bung. ), 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. 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). Maybe this one has a shorter cable? The truck started fine after install, and ran down the road ok. To simplify . 10 min read Video. 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. If you are using our Services via a browser you can restrict, block or remove cookies through your web browser settings. 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. 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. 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. That's great--we look forward to your results! Sniper EFI 2300 Marine. watch the values in the software for the o2.. once is is done "Heating" and starts to show AFR, wrap the rag round it. It could be an instant fix. Super helpful and knowledgeable. 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. Search for O2 Hotel Taipei Main Station discounts in Taipei City with KAYAK. 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. The spark must be manually tuned. Add To Cart. The Sniper EFI throttle-body drops in place of your . This boat has a non-vortech motor with a 2 bbl gm intake i'll need to replace. . It will flood itself out and won't start back, just crank and crank. I installed it without O2 sensor, adjust on the fly. blue doberman puppies. Some parts are not legal for use in California or other states with similar regulations. Bolt-on carburetor style EFI for your classic car or truck. That is defacto step one in trouble shooting fuel injection systems. Yeah, it may sound hokey to some, but is just one option to solve the issue where you are and with what you have. Then if you are do you just wire the o2 sensors in parallel or do these EFI kits have inputs for more than one sensor. VerticalScope Inc., 111 Peter Street, Suite 600, Toronto, Ontario, M5V 2H1, Canada. . A 90-degree V-6 has three shared crankpins set 120 degrees apart. "Old Yeller" gets Holley EFI Sniper O2 Sensor Installedhttps://www.holley.com/products/fuel_systems/fuel_injection/sniper_efi/sniper_efi_stealth_4150/sniper_. Categories. Sent unit back to Holley. 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. I am a competent mechanic and I have checked all the usual suspect items. I installed one also on mercruiser 260 hp. 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. If you find that please let us know. No worse than taking the reading in the intake manifold cross over. To my knowledge, there is no aftermarket EFI fuel system suited to fuel the Sniper EFI system that exists on the market. Bolt-on carburetor style EFI for your classic car or truck. *Possible delays due to Covid-19 click for more information. Can anyone share their experiences with this type of setup? Yes, this is going to be an added expense, however, it will help guarantee your success. 2 Reviews. Be sure to disable autotune and remove the O2 sensor before it dies. Never tried it myself or know anyone fwho has, but Little kids play hooky . big kids play. 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. An update from Al:After installing them I used the auto tune program on the Holly HP V4 software and they are working great. Incense-veiled temples with exquisite carvings and paintings dating back to dynastic times blend seamlessly in streets of the modern city. Capability Range: Moderate Maybe going all the way to the front is the way to go? For the most part, the small harness is plug-and-play. The Sniper EFI master kit contains the most complete EFI fuel system on the market. I'm looking for some more practical and scenario-specific advice; that's one small piece of it. Oxygen (O2) Sensor - Is an electronic device that measures the proportion of oxygen (O2) in the exhaust gas. (probably with the edelbrock marine 2506 intake). 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. Only show this user. My hand is holding the connector to the sensor. Here's the pic of the location with my header. 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. 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. I installed a Holley sniper system on my car and I've been fighting it for 2 weeks now. But this also makes me wonder what you did for the O2 sensor. Pay close attention to the instructions on O2 sensor placement. I installed a holley sniper kit. There are drawbacks to that (as your tuner can explain in more detail) but it is doable, provided the system is correctly tuned initially. I don't have enough experience with marine applications to know exactly what it will take to solve this. Free ground shipping regardless of order size! $43 per night (Latest starting price for this hotel). Advanced throttle body injection systems capable of transmission control and more. Sniper EFI 2300 Marine. 100% identical. i'm not aware of a universal aftermarket EFI fuel pump kit that is USCG approved. The problem is with the Holley computer when you turn on the keyit squirts a prime for a split second. 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. What exhausts are the best? Replacement Bosch Wideband Oxygen sensor for Sniper EFI and Terminator X systems. . In Stock. Features: . Apr 13, 2017. with the extension. 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. Currently has 2 bbl carburetor and mechanical distributor, mechanical fuel pump for 165hp. When it did keep running, the headers all started to smoke. Holley EFI requires several pressure inputs in order to run an engine. Also some tips on preventing O2 sensor damage Just a rumor. I am in the middle of a repower of twin BBC 481, mild cam which will need to be recarbureted. While those work great on an automobile, you likely won't begin to get these marine installations setup with a handheld. Add To Cart. Sponsored Links (REGISTERED USERS DO NOT SEE THIS POST/AD! 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. 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. Add to Cart . I only have a stick welder and didn't trust myself on the thin pipe so I brazed it in. . Other countries likely have simmilar approval processes for marine engines. For a better experience, please enable JavaScript in your browser before proceeding. Idle and off-idle performance (particularly as the engine goes into gear.) It appears that its a tuning issue. 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? The basic kit comes with the TBI unit, touchscreen controller, water temperature sensor, a wideband oxygen sensor, and all the necessary wiring. Will I be able to run both systems off of one fuel pump? You will need an O2 sensor to measure fuel needs, but it could be tuned manually like in the old days. Q3. I received my replacement TPS and O2 sensor. Everyone raving about customer service is telling the truth! Part# 550-511. It's a compact HP pump and cooler assembly. And who can blame them? In Stock. Thanks for the compliment--we look forward to your feedback! It's hallmark is its simplicity--but in this case it is also it's shortcoming. Enter The 2023 LS Fest West Trip Sweepstakes Today And Join Us In Las Vegas! We can hear the initial fuel spray into the body, but it appears that its not enough to start the engine while hot. If a cruiser with enclosed engine compartment, not a lot you can do to eliminate water or at least water vapor in the exhaust. 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 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. . The latest is the new Holley Sniper EFI touted as a true bolt-on self-learning carb replacement. *Free Shipping & Handling only offered to the contiguous US on orders over $100, excludes clearance parts and oversized packages.

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