I only have a stick welder and didn't trust myself on the thin pipe so I brazed it in. You will need an O2 sensor to measure fuel needs, but it could be tuned manually like in the old days. To simplify . #1. Free ground shipping regardless of order size! check out the. Capability Range: Moderate the motor has the following mods, Aluminum heads, Performer intake, Sniper and MSD ignition module. It will crank and run great for 2-15 seconds then die. 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. I will be starting mine up this month, I hope it goes well, good luck to you. Sponsored Links (REGISTERED USERS DO NOT SEE THIS POST/AD! HP comes from torque and rpm and rpm breaks things and increases wear. $119.95. 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'll let you know how it works out. I installed a holley sniper kit. Yellow Init In First shown for an instant when the system is powered on. 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. Holley sniper issue on newly rebuilt motor, Holley Sniper with Duraspark and timing control. 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. The clamp-on that came with mine wasnt a good fit on my 2" pipe. 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 . Doesn't look like it will have an O2 sensor. Visit their website for more details. Capability Range: Advanced Using the throttle body's fuel pressure regulator will require a 5/16" fuel return line to the tank. Fuel economy went from 12.5 to 13.5 gph to 10 gph. 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. $5 Off Your $100 Mobile App Purchase . 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. Still needs a EFI pump and return line. That would be for individuals that run the OEM exhaust manifold, as well as individuals that run headers. Stay up to date with the latest releases, events, promotions and more. 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. That sounds like one solution. Find a lower price anywhere and we'll beat it by 5%! Add to Cart . 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. Then they had it repaired and back to me in 5 business days. Be sure to disable autotune and remove the O2 sensor before it dies. Holley EFI Oxygen Sensor. Jan 20, 2019. One of the benefits of using any Holley EFI system is that it self learns and tunes on its own. 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. When either of these operating temperature ranges is exceeded, the sensor can no longer be . RPM going up and down , miss firing and backfiring. It's hallmark is its simplicity--but in this case it is also it's shortcoming. One example of a direction could be an adjustable timed delay-on injector-power relay in the injector power feed wire, delaying 1-second after key-on or whatever is necessary to bypass the prime shot time, only. Holley EFI has the solutions you need to get your project up and running better than ever! Has been since the 80's. Robust, feature-rich multi-port EFI systems offer easy plug-and-play late-model V8 engine swaps. What I don't want to do is spend more money on the headers than on the fuel injection upgrade and new propeller set. Thanks. Next, the new unit was installed onto the manifold. The right side o2 was obviously reporting a fat 10.3 afr as a result, but the car still went 139mph, LOL. Shop Oxygen Sensors at Summit Racing. The first option is to just buy the injector body and the controller with the wiring harness and sensors. Now the lower cost Holley Sniper advertised for March 31 2016. He had one there that was run on a dyno then the fuel map was set and shipped back. 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. 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. Currently has 2 bbl carburetor and mechanical distributor, mechanical fuel pump for 165hp. New 100 owner, long time cruiserhead - https://forum.ih8mud.com/threads/new-100-owner-long-time-cruiserhead.1300238/. a leading manufacturer of aftermarket Wideband O2 sensor kits, the following may damage or destroy oxygen sensors: . For gourmands, night markets not only offer scrumptious small . 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? What Is Pinion Offset, And How Does That Affect You? There can be leftover debris from manufacturing that have been washed down and are now clogging one. Similarly, no multi-point fuel injection (MPFI) systems existed that were USCG approved. 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. Add to Cart . Option 1 is to purchase and install one of the Holley EFI Dual-Sync Distributors on your engine. 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. The Sniper EFI could very well be one of the easiest to set-up fuel injections systems ever. Whether you're engine swapping your classic car or need to manage 4000 horsepower in your twin-turbocharged drag radial race car, Holley EFI has the solutions you need to get your project up and running better than ever! Newer ECMs have all the options to configure these functions. John 1:5, 1969 FJ40 2F with Holley Sniper EFI, Power Disk Brakes Front & Rear, Downey, Your post has peaked my curiosity. Capability Range: Advanced 92 YJ 4.0, AX-15 5spd, np231, dana 30 front, dana 35 rear. But you still risk a little water running back at low Rs. Given the traditionally poor fuel economy of carbureted marine engines, we feel your pain. Holley EFI has the solutions you need to get your project up and running better than ever! Anything else is going to be a frustrating recipe for for failure. Depending on how fast you want one, there are plenty out there: The Cross ref numbers on the Holley forums and the Net is a Bosch 17025. You are using an out of date browser. 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? 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. Only show this user. 2023 HOLLEY PERFORMANCE PRODUCTS, INC. ALL RIGHTS RESERVED. I recently installed the sniper setup on my stock 71 duster 340 4 speed. Good luck! Apr 13, 2017. with the extension. 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. Car runs perfect . For a better experience, please enable JavaScript in your browser before proceeding. The very front would be the safest place. Install the throttle linkage to the Sniper EFI throttle body. You are using an out of date browser. running holley sniper without o2 sensorplymouth township mi police scanner. 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. away. In the case of the car, you can generally get out and walk (run?) 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. My Lightnings have a bung welded through the water and into the dry exhaust area at the collector. - Do you know of a Carburetor Builder who has addressed the Coast Guard certification issues with the Sniper EFI? Could show a lean condition when in fact it really isn't. Phil said water would still get up over the snail and knock out the sensor. No one cares about your buddies old antiquated garden hose technology. The sniper fit perfectly on the intake. Warranty Information. This free oxygen is picked up by the O 2 sensor and determined to be indicative of a lean AFR condition when, in reality, the engine could potentially be running slightly rich. 02/25/2020. I'm 3" down from the bottom of the flange to center of bung. Holley Sniper EFI Self-Tuning Kit - Shiny Finish, Holley Sniper EFI Self-Tuning Kit - Black Ceramic Finish, Holley Sniper EFI Self-Tuning Kit - Classic Gold Finish, Holley Sniper EFI 2300 Self-Tuning Kit - Shiny Finish, Holley Sniper EFI 2300 Self-Tuning Kit - Black Ceramic Finish, Holley Sniper EFI 2300 Self-Tuning Kit - Classic Gold Finish. I am considering the Daytona Sensors Ignition module. For now I have a genuine bosch O2 and Standard Automotive TPS installed. Bolt-on carburetor style EFI for your classic car or truck. $102.95. 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. Mine is right where Steamers is, and works well with my AFI TBI. The spark must be manually tuned. I am in the middle of a repower of twin BBC 481, mild cam which will need to be recarbureted. 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. If you are not running the latest software stop guessing and go download it. 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. : For registered members this ad will NOT show. test the sensor.. for a basic pass/fail of the sensor.
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