Without Headers Steamers location (above) is perfect, up close to the engine where you have not lost much heat. Do you offer a USCG fuel pump kit? I am concerned about the O2 sensor consideration, but in the end isn't the carburetor situation open loop? Staff Writer. Wherever you go, the cultural kaleidoscope of Taipei showcases exhilarating diversity. Go to the web site and it will explain the installation it is very simple and works well.As for the rpm you are comparing to completely different animals (pumps). Q3. p.s. Holley Sniper EFI Self-Tuning Kit - Black Ceramic Finish. : For registered members this ad will NOT show. The Sniper EFI throttle-body drops in place of your . 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. functioning controller during engine operation. Is Holley working on a complete marine package or planning to in the future? Shop Oxygen Sensors at Summit Racing. Thanks for that, Danny. 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. Phil said water would still get up over the snail and knock out the sensor. Any exhaust down at engine level or lower will definitely get at LEAST some steam. Replacement Bosch Wideband Oxygen sensor for Sniper EFI and Terminator X systems. New 100 owner, long time cruiserhead - https://forum.ih8mud.com/threads/new-100-owner-long-time-cruiserhead.1300238/. JavaScript is disabled. Is this a good upgrade? Part# 554-155. I would prefer to run this brand new Holley EFI system in a closed loop, not set the fuel map, and use the O2 sensor as only a sensor. I'm 3" down from the bottom of the flange to center of bung. But you have to get it tuned. The original Holley Sniper instructions are available on the Holley website if you have misplaced them. Was told by holley tech support to make adjustments to the fuel prime percent and multiplier settings, played with those with no major improvement. I have a local customer with a pair of big blocks in his offshore boat that is eager to get started on this. No matter what I do, it will not start. Replaced and gapped to .45 all spark plugs. Maybe this one has a shorter cable? Not sure how well the sensor likes being that close to the port. Sniper EFI 4bbl Marine. Search for the cheapest hotel deal for O2 Hotel Taipei Main Station in Taipei City. But it is going to be a little tricky. Note, that is not a crack in the exhaust manifold, just a shadow from a casting flaw. As always, your results may vary and batteries not included. RPM going up and down , miss firing and backfiring. Stay up to date with the latest releases, events, promotions and more. #3. I'm using the NTK sensor. I have installed the Holley hp efi MPFI on my twin inboard mercruiser 350ci 270 hp. Car runs perfect . Make sure to put anti seize on the threads. This doesn't mean it can't be done. Brand: Holley EFI Emission Code: 5: Material: . I installed a holley sniper kit. CUSTOM ART FOR CUSTOM NEEDS. For now I have a genuine bosch O2 and Standard Automotive TPS installed. You really want a bigger engine. 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 hose, clamps, and chamfering bit.In the settings I chose closed loop disabled (set to open loop) and also set learn mode to disabled. You'll also notice that the firing order is 1-6-5-4-3-2. PS, Once someone has a good 270/350 tune, everyone can use it. Bolt-on carburetor style EFI for your classic car or truck. The spark must be manually tuned. These types of adjustable on-delay timer relays are on sites like Amazon for less than $10 up to $15. The Sniper EFI could very well be one of the easiest to set-up fuel injections systems ever. Robust, feature-rich multi-port EFI systems offer easy plug-and-play late-model V8 engine swaps. watch the values in the software for the o2.. once is is done "Heating" and starts to show AFR, wrap the rag round it. 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. I recommend popping for the Master . 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. (Assuming it actually releases in November and there are enough units for me to purchase and receive one in December). 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. Using the throttle body's fuel pressure regulator will require a 5/16" fuel return line to the tank. looking at doing the same. Register now for free! 1985 fj60 (sold back to Toyota), 1997 fzj80, 1971 fj40 with 75 2F. If this could be disabled it would be much better. This is great information that can only get you closer to an ideal solution. Super helpful and knowledgeable. 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. Affiliate. Joe, where did you end up installing the o2 sensor on your setup? This requires a considerable additional investment but as long as you're doing things you're not going to do them half-way, right? On my system, I machined in the O2 sensor right between the snail and the manifold of a BBC. I've seen O2 sensors in water jacketed headers that have worked fine for years. It will flood itself out and won't start back, just crank and crank. Replacement Bosch Wideband Oxygen sensor for Sniper EFI and Terminator X systems. They are the only ones got me a holley usb to can cable fast. The very front would be the safest place. 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. 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. Fuel prices at the marina are usually about a dollar a gallon more than at the local Racetrac/Wawa/wherever, and even more if you wisely opt for ethanol-free fuel. Price Point: $, Advanced throttle body injection systems capable of transmission control and more. A 90-degree V-6 has three shared crankpins set 120 degrees apart. Found out that it was due to rfi/emi. 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. THen you have to determine if you want 02 readings from one cylinder, or in the case you just mentioned mostly one cylinder, average of 4 cylinders on one bank or the other, or average of all 8 cylinders. 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. Top 10 Holley Sniper EFI Tech Tips Holley Technical Training Manager Tom Kise's top ten "suggestions" for Holley Sniper EFI System installation issues. So far so good. It may not display this or other websites correctly. Waiting for spring to put back together. 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? That would be for individuals that run the OEM exhaust manifold, as well as individuals that run headers. GA - As close to the lake as I can afford A powerful, MICRO BlueTooth in dash audio solution! JavaScript is disabled. 100% identical. Can more detail be provided? - Do you know of a Carburetor Builder who has addressed the Coast Guard certification issues with the Sniper EFI? Removed all the unused wires from harness and wrapped all the remaining wires and harness with rfi shielding tape. Holley EFI requires several pressure inputs in order to run an engine. 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? Price Point: $$, Robust, feature-rich multi-port EFI systems offer easy plug-and-play late-model V8 engine swaps. Phil is right. While the Sniper has an absolutely outstanding internal ECU, the current model does not offer any laptop programmability. Brass adaptor designed to install heated oxygen sensor in water-cooled marine exhaust risers. is donald smith still alive; julie grant court tv cheerleader 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. Followed all the instructions to the letter. This requires removing the plug with a breaker bar, and using a 1/2 NPT to 3/8 NPT adapter to mount the Sniper sensor. George Place the Sniper EFI throttle body on top of the new flange gasket on the manifold. Bolt-on carburetor style EFI for your classic car or truck. Yes, this is an old thread, but it's an old unit. Here is one on start up tuning. Sponsored Links (REGISTERED USERS DO NOT SEE THIS POST/AD! 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 is possible for the ECU to have an internal failure that can kill O2 sensors. *Possible delays due to Covid-19 click for more information. May 1, 2018 They want you to angle it to keep it from fouling. I don't have enough experience with marine applications to know exactly what it will take to solve this. Other? In this case, the prime shot is good for cold, but too much for warm. 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. The latest is the new Holley Sniper EFI touted as a true bolt-on self-learning carb replacement. For the most part each engine wants a bit of its own timing set-up IMHO, you boat owners with a 270HP 350 (or any other config) may want 350HP but upgrading it to that level will reduce or eliminate reliability. Given the traditionally poor fuel economy of carbureted marine engines, we feel your pain. . Next, the new unit was installed onto the manifold. Part # 554-155. Looking for some advice pertaining to Holley Sniper and Tire Size upgrades. It will not fit on round or oval risers without a suitable flat area. 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. Well an update on the Sniper install. The first option is to just buy the injector body and the controller with the wiring harness and sensors. For gourmands, night markets not only offer scrumptious small . YES! Thanks for the compliment--we look forward to your feedback! I recently installed the sniper setup on my stock 71 duster 340 4 speed. Capability Range: Advanced Note that this is a different sensor than Holley uses for their Dominator/HP/Terminator/Avenger series. Replacement Sniper and Terminator X O2 Sensor. Let him re-jet the carb (a wee bit on the fat side for safety) and reset the timing and try again. . The basic kit comes with the TBI unit, touchscreen controller, water temperature sensor, a wideband oxygen sensor, and all the necessary wiring. I would send an Email to Chris at EFIsystempro. 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. It appears that its a tuning issue. If you have long tube headers, mount the sensor approximately 6-10" after the collector. Dec 28, 2016. This fixed the high throttle position sensor reading (TPS) of above 1% that likely caused my idle issues. From there, our highly trained factory refurbish technicians flow the original fuel injectors. When either of these operating temperature ranges is exceeded, the sensor can no longer be . Part# 534-199. Add To Cart. The throttle body has a built in fuel pressure regulator set at 58.5 psi. There is no problem getting this tuned and then running open loop. 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. dropping a sensor on the ground), Extreme exhaust temperatures (Greater than 930 degC/1700 degF), Unheated sensor in exhaust stream. 2. I will keep the replacements as spares. Anyone ever converted a 1987 3.7L 4cyl Mercruiser engine to 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. It is the ratio between the mass of air and the mass of fuel in the air-fuel mix at any given moment.
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