I didn't read all this, but yes, the EFI system can be run without a WBO2 sensor. Once the tune is complete, the O2 sensor can be defeated or . Having selecting USCG-approved components, and sourced your O2 sensor adapter, there is but one more challenge--tuning. 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. Its the Holley Pro Jection TBI mentioned by the above poster. is donald smith still alive; julie grant court tv cheerleader But you still risk a little water running back at low Rs. I am just now ready to do the tuning this weekend. 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. Parts List: 1) Holley Sniper 2300 EFI Kit (Do not buy the kit with fuel lines and pump etc. I've been building a TBI system from GM parts to use on a 1987 Wellcraft with the Mercruiser 4 cylinder engine. What exhausts are the best? My spare "Bosch O2 Sensor" came from eBay & was half the price of anywhere else I found. 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. Your talking flames at that point, and it will definitely have an effect on the reading. Welcome to Club Cobra! 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. I took my time soldered every wire connection and routed all the wires carefully to avoid any emt issues. Pricing was reasonable, shipping was prompt and Chris helped me with a wiring question during my install. you don't want to read that loss. There are drawbacks to that (as your tuner can explain in more detail) but it is doable, provided the system is correctly tuned initially. The light shines in the darkness, and the darkness has not overcome it. Maybe this one has a shorter cable? well I have installed the Sniper on my 460 KEM (Ford) marine motor. 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.). In this case, the prime shot is good for cold, but too much for warm. . I have also picked up another .5 gallons per hr to about 9.25 gph. This is great information that can only get you closer to an ideal solution. Add To Cart. 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. I also capped off the regulated return line with a hose, clamps, and chamfering bit. 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. 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. And who can blame them? The Holley Sniper EFI Quadrajet is a self-contained throttle-body injection system that's a direct replacement for spreadbore Quadrajet carburetors found on many classic GM vehicles. It will flood itself out and won't start back, just crank and crank. 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. Holley EFI requires several pressure inputs in order to run an engine. 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. Newer ECMs have all the options to configure these functions. He had one there that was run on a dyno then the fuel map was set and shipped back. EFI is the wave of the future. It is possible for the ECU to have an internal failure that can kill O2 sensors. I've installed several of these adaptive EFI's on cars with great success. This step is only for those installing their Super Sniper EFI on top of a draw-through or Roots-style blower. The very basic fuel and spark tables are the limiting aspect, Holley does offer advanced software for more precise tuning. Was in marine engineering for years. Bolt-on carburetor style EFI for your classic car or truck. Late to the party but here's where mine are installed. 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. I've got the Howell EFI adapter installed in the riser of some standard Inboard Manifolds and it works great. 29. I had a blue wire coming out of the firewall that met this need, but it was already hooked-up to the + side of the coil and the Duraspark box. I know from some of the other posts, there have been WBO2 sensor issues. JavaScript is disabled. But you have to get it tuned. Replacement Sniper and Terminator X O2 Sensor. - Do you know of a Carburetor Builder who has addressed the Coast Guard certification issues with the Sniper EFI? $119.95. As far as spark control, the Sniper will let you tune those 4 points, nothing else will. Capability Range: Professional When the Sniper EFI System received USCG approval at the end of 2018 this presented some hope for boat owners. 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. Then they had it repaired and back to me in 5 business days. I installed a holley sniper kit. It turns out that this is a common problem with the Sniper EFI install on vehicles with a manual transmission. The other thing I want to overcome is the fuel return line; my harbor master says that I can connect my fuel return line to my CAV (lucas) gasoline filter, it has 4 connection, now only 2 are used. The Sniper EFI could very well be one of the easiest to set-up fuel injections systems ever. Throttle body mounted ECU - no extra boxes to mount. Car runs perfect . Anyone ever converted a 1987 3.7L 4cyl Mercruiser engine to EFI. Wherever you go, the cultural kaleidoscope of Taipei showcases exhilarating diversity. 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. The first option is to just buy the injector body and the controller with the wiring harness and sensors. 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. EFI EFI kit electronic fuel injection. QFI-500 Oxygen Sensor. Some logs have water up to just short of the port. 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. 02 sensors are very heat sensitive, and can detect an exhaust pulsation in a single Header tube, that's why we always wanted to position the sensor into at least 2 opposite firing tubes we running Headers. 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. Incense-veiled temples with exquisite carvings and paintings dating back to dynastic times blend seamlessly in streets of the modern city. With a bad TPS you will have to manually prime to try and get it . HP comes from torque and rpm and rpm breaks things and increases wear. I wanted to let you all know, I have modified a mercruiser Cool Fuel Gen 3 module(mounted on the engine) to provide fuel to a sniper. For a better experience, please enable JavaScript in your browser before proceeding. Still needs a EFI pump and return line. I am a competent mechanic and I have checked all the usual suspect items. The throttle body has a built in fuel pressure regulator set at 58.5 psi. The target A/F value based on load or MAF cfm, and engine speed. They are the only ones got me a holley usb to can cable fast. Only show this user. 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. Seems to LEARN much faster than the Fitech did. I'm having new headers with an O2 sensor bung installed in my car ('79 Vette) soon, to prepare for a Holley Sniper EFI TBI install this winter. 4. GA - As close to the lake as I can afford A powerful, MICRO BlueTooth in dash audio solution! It will crank and run great for 2-15 seconds then die. Copyright 2017 Cyberspace Automotive Performance, Inc. All Rights Reserved. :-), I started using OMC and Volvo Penta pumps for my conversion. Once you have those points set, the rest of the map doesn't really matter, just make it look smooth/pretty and everything will be fine. As I have since added above, the Sniper simply isn't going to be the system to use to tackle this problem. 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. Sniper throttle body linkage opens all four barrels evenly when you depress the throttle. Have to replace head gasket. Holley EFI has the solutions you need to get your project up and running better than ever! See Details. Never tried it myself or know anyone fwho has, but Little kids play hooky . big kids play. 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. When it did keep running, the headers all started to smoke. This doesn't apply to race boats. Good luck! Sensors: Fitting: Threaded O2 . Find a lower price anywhere and we'll beat it by 5%! I put mine after the collector only because I have a new exhaust and muffler going in and Ill use a weld in bung and placement will be different. On EFI systems such as Holley's Sniper, all of the EFI sensors (except for the O2 and coolant temperature sender) are mounted snuggly in the throttle body. You will still get some water on the engine side of the snails, mainly at low Rs. It flows 850 cfm and can support up to 650 horsepower. Maybe going all the way to the front is the way to go? . Please consult the Holley Sniper full manual and use this guide for supplemental clarification. Also the progressive link. Sniper EFI Installation Guide. 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. Greatest struggle is the shift interrupt. *Free Shipping & Handling only offered to the contiguous US on orders over $100, excludes clearance parts and oversized packages. Next, the new unit was installed onto the manifold. Bolt-on carburetor style EFI for your classic car or truck. I recently installed the sniper setup on my stock 71 duster 340 4 speed. For a better experience, please enable JavaScript in your browser before proceeding. Tune the delay relay timing to just miss the prime shot.For cold starts, a simple push-button or switch "choke" override to power the relay during prime would provide it. Oxygen (O2) Sensor - Is an electronic device that measures the proportion of oxygen (O2) in the exhaust gas. That's great--we look forward to your results! If this could be disabled it would be much better. This page was generated at 08:35 AM. Doesn't look like it will have an O2 sensor. The spark must be manually tuned. Currently has 2 bbl carburetor and mechanical distributor, mechanical fuel pump for 165hp. Using the throttle body's fuel pressure regulator will require a 5/16" fuel return line to the tank. Much of the system is encased right inside the throttle bodyand that includes the ECU. Well an update on the Sniper install. The very front would be the safest place. 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. If you find that please let us know. In the event you decided earlier that you are going with the Sniper EFI System you will not have the requisite tuning capability by simply using the included handheld tuner. Emissions. Free Shipping - Holley Sniper EFI Oxygen Sensors with qualifying orders of $99. Those "flames" are still consuming O2 that would otherwise not be read by a sensor in the correct location. Restore or update your Holley Sniper EFI System with this WBO2 Sensor 17025 Bosch 554-155 Holley. Sadly, no. Given the traditionally poor fuel economy of carbureted marine engines, we feel your pain. Capability Range: Professional -- I particularly like the Daytona Sensors Approach to the Ignition Curve.- Are you pursuing Coast Guard Certification for the Sniper_EFi? Top 10 Holley Sniper EFI Tech Tips Holley Technical Training Manager Tom Kise's top ten "suggestions" for Holley Sniper EFI System installation issues. The Fora platform includes forum software by XenForo. The adapter will be fastened in both metal parts so that no water will reach the O2 sensor. a leading manufacturer of aftermarket Wideband O2 sensor kits, the following may damage or destroy oxygen sensors: . Bosch 17025 Oxygen Sensor #1 Best Seller . 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. This doesn't mean it can't be done. EFI System Pro had everything I needed for my EFI upgrade. If you are using our Services via a browser you can restrict, block or remove cookies through your web browser settings. Note that this is a different sensor than Holley uses for their Dominator/HP/Terminator/Avenger series. holley efi. Note the temperature sensor mounted on the back of the driver side head in the above photo. 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. One workaround was to leave it in gear and slow to a stop and push the clutch as RPMs drop . Capability Range: Advanced I wouldn't say "never", but the last time I asked that specific question I was told it wasn't anywhere on the horizon. Anti-Seize pre-applied to sensor threads. Can more detail be provided? Aug 17, 2013. Stock manifolds? Is Holley working on a complete marine package or planning to in the future? replaced my original terminator x sensor that was mounted in an exhaust that took on some water and killed the original sensor. You shouldn't feel too bad about that lack of knowledge, because many boat owners either don't realize that the moisture present in their wet exhaust manifold will kill the wideband O2 sensor required by an EFI system. All of the wiring begins at the throttle body and connects outward from there. Price Point: $$$. Other countries likely have simmilar approval processes for marine engines. 92 YJ 4.0, AX-15 5spd, np231, dana 30 front, dana 35 rear. Sorry for the late reply, Douglas. I will get a new 02 sensor before I swap back to the orange box. You should then have at least 18-24" of pipe after the sensor. I installed a holley sniper kit. Sniper EFI 4bbl Marine. Does an yone have a pic of the O2 sensor in their exhaust? non biased Shelby Cobra related site! JavaScript is disabled. looking at doing the same. You are using an out of date browser. I purchased the Holley HP MPFI system and went to the lake with it. I installed the adapter and elbow so it's at an angle above the entry point. Everyone else was backordered several months. Here is one on start up tuning. 10 min read. The latest is the new Holley Sniper EFI touted as a true bolt-on self-learning carb replacement. The included fuel system places a 340LPH fuel pump in the tank, which can easily be . Thanks for the feedback on this adapter, Donald. If the indicator reads "LOW Err" double check the connection to the CTS. 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)? Features: . 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? Oxygen Sensor is sold separately.Adaptor should be installed in a flat area of riser at least 6 before water blends with exhaust. The basic kit comes with the TBI unit, touchscreen controller, water temperature sensor, a wideband oxygen sensor, and all the necessary wiring. The bottom line is that trying to run EFI on a marine engine is not something you can do as an afterthought. I have searched thru the forum as much as I can, with not much luck. When either of these operating temperature ranges is exceeded, the sensor can no longer be . I installed one also on mercruiser 260 hp. Hello Chris,Ontario's boating season is about to launch for another year.Do you have any good news to add to your above article, any new marine friendly TBI products?In '08,I installed a Holley 21-700 TBI with the o2 mounted in the manifold to Holly specs. Anyone have a good place to find a genuine Bosch O2 replacement sensor without paying $110? Sniper EFI Releases new Stealth 4150 Models! I have not yet got it figured out. All of the wiring exits below the rear fuel injector cover, for a completely stealth installation. Followed all the instructions to the letter. It has about 18 hrs to date and is working great. No one cares about your buddies old antiquated garden hose technology. JavaScript is disabled. Look at the bottom.. I have a boat with twin 3.7 Mercruisers. Purely coincidence about the '2300' number. (Assuming it actually releases in November and there are enough units for me to purchase and receive one in December). My bet based on longer pump run, to make pressure, you have a leaking injector. 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. Make sure to put anti seize on the threads. Was told by holley tech support to make adjustments to the fuel prime percent and multiplier settings, played with those with no major improvement. It's fast, simple and absolutely free. 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. 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. Supports up to 650hp with Four 100 Lb/Hr Injectors! 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. Sort. test the sensor.. for a basic pass/fail of the sensor. I will change and be using an in-tank pump when I install the new 120 gallon tank this winter. I will keep the in-line pump for a spare. $5 Off Your $100 Mobile App Purchase . This was for MPFI. 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. The following vehicles are considered Racing Use Only Vehicles: Holley is the new standard in EFI! Ive got a set of bassett headers for a BBC, ill see if they can fit under the transom. 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. Follow USCG rules about materials and fittings. Capability Range: Advanced Adam. But MAP sensors are very easy to physically implement and are inexpensive. Initial Calibration in Basic Configuration. The engine floods and it is embarrassing when leaving a lock. 10 min read Video. John 1:5, 1969 FJ40 2F with Holley Sniper EFI, Power Disk Brakes Front & Rear, Downey, Your post has peaked my curiosity. It flows 850 cfm and can support up to 650 horsepower. Wideband Oxygen Sensor Extension Cable. That would be for individuals that run the OEM exhaust manifold, as well as individuals that run headers. The original Holley Sniper instructions are available on the Holley website if you have misplaced them. Oxygen Sensor is sold separately.Adaptor should be installed in a flat area of riser at least 6 before water blends with exhaust. Replacement Bosch Wideband Oxygen sensor for Sniper EFI and Terminator X systems. Holley Sniper Installation Supplement Please note, a Holley Sniper instruction manual, as well as some small parts that come with the . Holley EFI Usb/Can Harness, Sniper Tbi. So please, If you have problems registering or can't log into your account, please. The Ford 2300 engine uses a Holley carburetor, but it is in fact a licensed copy of a 32/36 Weber. Holley has a pump almost identical in size to the OEM pump and it's not difficult to change. Come join the discussion about offshore racing, performance, modifications, builds, classifieds, troubleshooting, maintenance, and more! From there, the idea is that it will self-tune to the requirements of the engine. $108.95. I'm about to embark on the same type of project. 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. By Joshua C on August 10, 2021 | Verified Owner, Worked right out of the box. Put an end to cold start issues, hesitations, vapor . Could show a lean condition when in fact it really isn't. Note, that is not a crack in the exhaust manifold, just a shadow from a casting flaw. Description. I do agree if he can get it tuned prior to fouling he can lock that tune and run in open loop. Q1. We may earn a small commission from affiliate links and paid advertisements. Add To Cart. Thanks for that, Danny. I have not gone back in to try to fine tune them. Phil said water would still get up over the snail and knock out the sensor. Holley part number 554-155. 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. Wideband Oxygen Sensor Extension Cable. Just a rumor. Tech Resources. No worse than taking the reading in the intake manifold cross over. Part# 554-155. If you call, they usually let you put in your name and they get back to you. Spray a rag down pretty good with brake cleaner. I have a 74 bronco, 302, mild cam. Now the lower cost Holley Sniper advertised for March 31 2016. Service Oxygen Sensor for Sniper EFI Systems, Service Oxygen Sensor for Terminator X Systems. Joe, where did you end up installing the o2 sensor on your setup? It is the ratio between the mass of air and the mass of fuel in the air-fuel mix at any given moment. Staff Writer. PRO's: Wideband O2 sensor harness is longer, allowing easier connection and routing. In this video Holley's own Tom Kise explains oxygen sensors and where to place an 02 sensor bung in your exhaust. . The wide band O2 sensor is required for initial running and calibration. 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. If you have any exhaust leaks between the combustion chamber and 18-24" after the sensor you are going to have problems. Taipei has dozens of world-class restaurants where gourmets can sample the most authentic Chinese cuisines. Robust, feature-rich multi-port EFI systems offer easy plug-and-play late-model V8 engine swaps. All sensors are tested to ensure they accurately report critical engine data to the . As far as warranty goes, Holley products are covered by a 90-day warranty against defect in material or workmanship. All times are GMT-6. Free ground shipping regardless of order size! 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.
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