For complete information about the cookies we use, data we collect and how we process them, please check our, actual instructions in flowcharting are represented in, Why Is Dave Blankenship Not On Oak Island Season 8, rhode island groundwater classification map. 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. 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. If I am reading your post correctly you are using two separate o2 sensors when using headers ? Initial Calibration in Basic Configuration. Holley's self learning system is a blessing and a curse. No worse than taking the reading in the intake manifold cross over. O2 sensors are water proof. I have a 74 bronco, 302, mild cam. Sniper EFI Quadrajet Marine. 2023 Holley Performance Products, Inc. All Rights Reserved. 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. The fuel module is self contained with water jacket cooling and contains the low and high pressure pumps. I will be starting mine up this month, I hope it goes well, good luck to you. The Fora platform includes forum software by XenForo. Add To Cart. See Details. Anyone have a good place to find a genuine Bosch O2 replacement sensor without paying $110? My spare "Bosch O2 Sensor" came from eBay & was half the price of anywhere else I found. For a better experience, please enable JavaScript in your browser before proceeding. This was for MPFI. Holley Sniper EFI Self-Tuning Kit - Black Ceramic Finish. 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. Bolt-on carburetor style EFI for your classic car or truck. JavaScript is disabled. Find a lower price anywhere and we'll beat it by 5%! Who knows. From time to time we receive phone calls from individuals who are interested in converting their carbureted boat motor to fuel injection. Wideband Oxygen Sensor Extension Cable. Only a few hours on the motor but so far so good. We may earn a small commission from affiliate links and paid advertisements. Wideband Oxygen Sensor Extension Cable. Parts List: 1) Holley Sniper 2300 EFI Kit (Do not buy the kit with fuel lines and pump etc. Capability Range: Moderate These types of adjustable on-delay timer relays are on sites like Amazon for less than $10 up to $15. 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. Note that this is a different sensor than Holley uses for their Dominator/HP/Terminator/Avenger series. For gourmands, night markets not only offer scrumptious small . My bet based on longer pump run, to make pressure, you have a leaking injector. 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. 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). I bought a new holley sniper , dual sync dist., coil, and holley in tank fuel pump, When engine got hot it would go crazy. If you have any exhaust leaks between the combustion chamber and 18-24" after the sensor you are going to have problems. Looking for some advice pertaining to Holley Sniper and Tire Size upgrades. Holley Sniper EFI System is Easy, Budget-Friendly Path to Fuel You will still get some water on the engine side of the snails, mainly at low Rs. . Those "flames" are still consuming O2 that would otherwise not be read by a sensor in the correct location. One comes in the form of a Marine O2 Sensor Adapter from the folks at Howell EFI. 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. 5. You can selectively provide your consent below to allow such third party embeds. I have searched thru the forum as much as I can, with not much luck. YES! 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. If the indicator reads "LOW Err" double check the connection to the CTS. Will I be able to control my ignition timing with the Sniper? I just discovered that was the case with my Fitech. Part # 554-155. Specs. No one cares about your buddies old antiquated garden hose technology. The truck started fine after install, and ran down the road ok. My boat is still in winter storage. a leading manufacturer of aftermarket Wideband O2 sensor kits, the following may damage or destroy oxygen sensors: . is donald smith still alive; julie grant court tv cheerleader This step is only for those installing their Super Sniper EFI on top of a draw-through or Roots-style blower. Holley EFI. Advanced throttle body injection systems capable of transmission control and more. George Place the Sniper EFI throttle body on top of the new flange gasket on the manifold. I have twin 502 factory fuel injected Mercs and want to go to adaptive EFI. All sensors are tested to ensure they accurately report critical engine data to the . I am a competent mechanic and I have checked all the usual suspect items. 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. Introducing Sniper EFI Master Kits, with a Returnless Retrofit Fuel Module. You really want a bigger engine. Bolt-on carburetor style EFI for your classic car or truck. The original Holley Sniper instructions are available on the Holley website if you have misplaced them. Let me know how I can be of assistance. Ideally I'd want the power plant running as efficiently as possible, but I'd sure like the benefit of EFI over carb. May 1, 2018 They want you to angle it to keep it from fouling. The ones in the Bosch box come without warranty. Why? You should then have at least 18-24" of pipe after the sensor. Note the temperature sensor mounted on the back of the driver side head in the above photo. But you've found the right one for your Holley Sniper EFI System OR your Terminator X EFI System. Late to the party but here's where mine are installed. Runs like a champ now. 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. This is the 02 sensor adapter I used. EFI Systems based on Holley's world-class Dominator and HP ECU's. Systems that were already designed for marine efi. 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. Jan 20, 2019. It only runs rich on start up for a second due to the prime, after start it runs great. Part Number: 510-554-155. Oops, after that it cranked right up.Idle was set to 950rpm so after the vid was cut off I lowered it to 820rpm and it was purring like a kitten.EFI for dummies. Menu. Product Q&A . Items 1 - 21 of 21 Items. It flows 850 cfm and can support up to 650 horsepower. -- I particularly like the Daytona Sensors Approach to the Ignition Curve.- Are you pursuing Coast Guard Certification for the Sniper_EFi? Miami, FL. 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. CUSTOM ART FOR CUSTOM NEEDS. One of the benefits of using any Holley EFI system is that it self learns and tunes on its own. Bolt-on carburetor style EFI for your classic car or truck. This site uses cookies to help personalise content, tailor your experience and to keep you logged in if you register. Holley EFI 554-155 Holley EFI Oxygen Sensor The light shines in the darkness, and the darkness has not overcome it. 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. 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. Installed the sniper/MSD combo on my mildly built 460 KEM. Went with around .525 lift, 270 duration on a 114 LSA and the car was sucking vacuum like a new hoover. Let him re-jet the carb (a wee bit on the fat side for safety) and reset the timing and try again. http://s621.photobucket.com/albums/tt291/Mark11530/?action=view¤t=MAH05771.mp4, http://www.holley.com/data/Products/Technical/199R10226.pdf. Amazon.com: Holley EFI Wbo2 Sensor, Sniper Tbi : Automotive Do you recommend in-tank or external fuel pump? I have also picked up another .5 gallons per hr to about 9.25 gph. 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. AFR was 19 area. I have also installed a sniper system on a 350 Mercruiser and was wondering if you have done any tuning on yours yet? 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. The engines are rated at 170 hp each. Capability Range: Professional All of the wiring begins at the throttle body and connects outward from there. Free Shipping - Holley Sniper EFI Oxygen Sensors with qualifying orders of $99. 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. We also use content and scripts from third parties that may use tracking technologies. The Sniper EFI throttle-body drops in place of your . These often don't work with stock ECUs, so your best bet is to weld in a second bung for the wideband sensor. You must log in or register to reply here. Anything else is going to be a frustrating recipe for for failure. 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,
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