running holley sniper without o2 sensor
With the sniper as long as you locate the o2 sensor where it gets good feedback and stays dry long enough to get a good tune you could lock it so even if the o2s get wet it still runs good. It should be pretty straight forward what each of these values do. Everyone raving about customer service is telling the truth! $102.95. On my system, I machined in the O2 sensor right between the snail and the manifold of a BBC. Anyone have a good place to find a genuine Bosch O2 replacement sensor without paying $110? Pricing was reasonable, shipping was prompt and Chris helped me with a wiring question during my install. I didn't read all this, but yes, the EFI system can be run without a WBO2 sensor. . It turns out that the loading generated a propeller in the water is significantly different than wheels on pavement, so much so that the map has to be tuned differently. It would cost considerably more but a second option that would have added performance benefits would be to switch to a dry manifld such as the headers available from Custom Marine, Inc. I think I could run more boost but it's a real hand full right now. EFI EFI kit electronic fuel injection. Service Oxygen Sensor for Sniper EFI Systems, Service Oxygen Sensor for Terminator X Systems. 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. 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. Note the temperature sensor mounted on the back of the driver side head in the above photo. The in tank pump is quieter, will normally run cooler and should last longer. 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've dunked mine lots of times. I installed a holley sniper kit. The target A/F value based on load or MAF cfm, and engine speed. 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, Are you running the entire system? The Sniper EFI throttle-body drops in place of your . It looks like another season has come and passed by without the answer you wanted on this.I am impressed that you made the leap into marine fuel injection but you have experienced the same problem that everyone else who has tried this has faced. 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. Product Q&A . O2 sensor failure on a Holley Sniper EFI - YouTube A 90-degree V-6 has three shared crankpins set 120 degrees apart. 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. Fine tuned the timing to 12-15 degrees. So much it could be. From there, our highly trained factory refurbish technicians flow the original fuel injectors. Mine is right where Steamers is, and works well with my AFI TBI. Does an yone have a pic of the O2 sensor in their exhaust? Sensors that are installed in an exhaust must be connected to a properly Was told by holley tech support to make adjustments to the fuel prime percent and multiplier settings, played with those with no major improvement. If you call, they usually let you put in your name and they get back to you. I will change and be using an in-tank pump when I install the new 120 gallon tank this winter. Then having an experienced tech from a local dyno speed shop ride in the boat as you run the power up and down, making notes. I have a 74 bronco, 302, mild cam. Car runs perfect . Distributor and ignition box? Will I be able to run both systems off of one fuel pump? temporarily running without WBO2 sensor? - Holley From time to time we receive phone calls from individuals who are interested in converting their carbureted boat motor to fuel injection. And who can blame them? 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. - You are currently viewing the forums as a GUEST. 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. Yes, this is an old thread, but it's an old unit. It doesn't even mean that you can't do it. Find a lower price anywhere and we'll beat it by 5%! Affiliate. If the indicator reads "LOW Err" double check the connection to the CTS. I am happy with Holleys no hassle replacement of the parts. 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. 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. The Sniper EFI throttle-body drops in place of your . Advanced throttle body injection systems capable of transmission control and more. the motor has the following mods, Aluminum heads, Performer intake, Sniper and MSD ignition module. 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? *Possible delays due to Covid-19 click for more information. We may earn a small commission from affiliate links and paid advertisements. For a better experience, please enable JavaScript in your browser before proceeding. Holley Sniper - Oxygen Sensor Location | IH8MUD Forum Currently has 2 bbl carburetor and mechanical distributor, mechanical fuel pump for 165hp. It does not work with the Sniper EFI oxygen sensor. Its the Holley Pro Jection TBI mentioned by the above poster. They have mods that help. Add To Cart. O2 Hotel Taipei Main Station - KAYAK Most of Holley's EFI systems provide a Setup Wizard that builds a base configuration file that allows you to start the engine and operate the vehicle. 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? 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. watch the values in the software for the o2.. once is is done "Heating" and starts to show AFR, wrap the rag round it. Brass adaptor designed to install heated oxygen sensor in water-cooled marine exhaust risers. Have to replace head gasket. A replacement clamp on would be an easy change out. The World's largest Introducing Sniper EFI Master Kits, with a Returnless Retrofit Fuel Module. Yellow Cold! 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. One of the benefits of using any Holley EFI system is that it self learns and tunes on its own. Ran about 5 seconds and died. Add To Cart. Had to replace the oxygen sensor on my car for the terminator x after the original one failed and this fixed all my problems. Then dialed back the cranking fuel quite a bit and that seemed to help some, but still having ongoing issues. Conditions when closed loop o2 should be turned off. In this case, the prime shot is good for cold, but too much for warm. Marine O2 Sensor Adapter Plate - Affordable Fuel Injection Is this a viable upgrade for my boat? Price Point: $$, EFI Systems based on Holley's world-class Dominator and HP ECU's. This is made by Innovate, the guy that runs the Holley EFI forum HIGHLY recomends AND uses them himself, I use them, my o2 on my wideband Innovate, kept going bad, a 4.2 Bosch o2, put this on both my Holley HP NTK sensor & the wide band, been 2 years now & lots of driving, all good, Heat-Sink Bung Extender (HBX-1) - P/N: 37290 The right side o2 was obviously reporting a fat 10.3 afr as a result, but the car still went 139mph, LOL. Will I be able to control my ignition timing with the Sniper? By Joshua C on August 10, 2021 | Verified Owner, Worked right out of the box. What you are able to accomplish with a Sniper is done exclusively through the setup wizard application on the 3.5-inch handheld.The Temrinator is designed to be set up with it's own setup wizard on the same 3.5-inch handheld display--but since it has a stand-alone ECU, it can also be fully programmed via the Holley laptop software. On my system, I machined in the O2 sensor right between the snail and the manifold of a . Replacement Bosch Wideband Oxygen sensor for Sniper EFI and Terminator X systems. #1. But MAP sensors are very easy to physically implement and are inexpensive. Part# 534-199. 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. 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. For now I have a genuine bosch O2 and Standard Automotive TPS installed. Part# 554-155. holley efi. O2 sensors are water proof. No prime, but a second later it's ready to crank 'normally'. Thanks for that, Danny. Without Headers Steamers location (above) is perfect, up close to the engine where you . You will need an O2 sensor to measure fuel needs, but it could be tuned manually like in the old days. Be sure to disable autotune and remove the O2 sensor before it dies. Part# 50-5009QFT. I wouldn't say "never", but the last time I asked that specific question I was told it wasn't anywhere on the horizon. Why? I have also picked up another .5 gallons per hr to about 9.25 gph. I know from some of the other posts, there have been WBO2 sensor issues. Stay up to date with the latest releases, events, promotions and more. looking at doing the same. Holley sent him a new one for free. I have about 30 hrs on the unit and it just keeps getting smoother with every hr of run time. It's hallmark is its simplicity--but in this case it is also it's shortcoming. 1985 fj60 (sold back to Toyota), 1997 fzj80, 1971 fj40 with 75 2F. Holley Sniper EFI Self-Tuning Kit - Black Ceramic Finish. Holley EFI 534-199 Wideband Oxygen Sensor Extension Cable Oxygen Sensor is sold separately.Adaptor should be installed in a flat area of riser at least 6 before water blends with exhaust. running holley sniper without o2 sensor - plural.works Please consult the Holley Sniper full manual and use this guide for supplemental clarification. When buying the Holley Sniper EFI kit, you've got two basic options. I want to register an account for free right now! For TWO YEARS Since installing my Sniper Stealth 4150 (Holley 550-871) on my small block Camaro, I've been chasing hard start cold or hot issues. O2 Sensor Mounting: The O2 needs to be mounted 6-8" after the merge in the header collector.