Service Oxygen Sensor for Sniper EFI Systems, Service Oxygen Sensor for Terminator X Systems. How To Properly Place and Install an O2 Sensor - Holley May 1, 2018 They want you to angle it to keep it from fouling. Sniper EFI Releases new Stealth 4150 Models! They are about 4 inches long, in-line between the log and manifold. 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. *Free Shipping & Handling only offered to the contiguous US on orders over $100, excludes clearance parts and oversized packages. And the relay and fuse were mounted along the firewall. I'm about to embark on the same type of project. Yellow Init In First shown for an instant when the system is powered on. 02/25/2020. Using the throttle body's fuel pressure regulator will require a 5/16" fuel return line to the tank. This doesn't mean it can't be done. Do you offer a USCG fuel pump kit? Price Point: $$$. OT pipes may be out of the question, but with the water dumps put in at the transom, ala Gil or Rewarder OT pipes, you could get dry readings with bungs a little above where they bolt onto the logs, I would think. As a follow up, I ended up using an eBay type anti fouler elbow for the O2 sensor to try and get it out of the water in the manifolds. 2023 HOLLEY PERFORMANCE PRODUCTS, INC. ALL RIGHTS RESERVED. Enter The 2023 LS Fest West Trip Sweepstakes Today And Join Us In Las Vegas! I will keep the in-line pump for a spare. Late to the party but here's where mine are installed. This page was generated at 08:35 AM. May 19, 2021. We also use content and scripts from third parties that may use tracking technologies. The target A/F value based on load or MAF cfm, and engine speed. Holley Sniper - Oxygen Sensor Location | IH8MUD Forum Sensors that are installed in an exhaust must be connected to a properly So much it could be. Menu. If you're thinking that you've read everything above and are ready to toss the carb on your marine engine then take this handy quiz to make sure! For this you need a system that can be fully programmed to the extent of the Holley ECU's capability. temporarily running without WBO2 sensor? - Holley Holley EFI requires several pressure inputs in order to run an engine. Was in marine engineering for years. 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. Product Q&A . Jan 20, 2019. 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)? It does not work with the Sniper EFI oxygen sensor. That is defacto step one in trouble shooting fuel injection systems. Much of the system is encased right inside the throttle bodyand that includes the ECU. From time to time we receive phone calls from individuals who are interested in converting their carbureted boat motor to fuel injection. 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. 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 have twin 502 factory fuel injected Mercs and want to go to adaptive EFI. And it is timing that is equally critical to best performance and fuel economy. If you have long tube headers, mount the sensor approximately 6-10" after the collector. Restore | Make | Philosophize | Eat | Drink | Be Happy | Let's Go Brandon! Increasing efficiency is always a good idea. 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. 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. Wideband Oxygen Sensor Extension Cable. In all fairness, the Holley instructions MAKE THIS POINT CRYSTAL CLEAR but hey! Homemade body parts replace the originals as they rot away but it's a 40 on the inside. When I went to Holley HP, I found an adapter by Innovate that is designed to draw air out the exhaust stream and away to the O2 sensor. I am just now ready to do the tuning this weekend. Categories. Be sure to disable autotune and remove the O2 sensor before it dies. It's hallmark is its simplicity--but in this case it is also it's shortcoming. One of the most common causes of poor idle is improper O2 sensor placement or trying to run closed loop at idle . Holley Sniper Marine EFI | Bloodydecks Thinking about this I think this will work very fine! One workaround was to leave it in gear and slow to a stop and push the clutch as RPMs drop . The Sniper EFI master kit contains the most complete EFI fuel system on the market. EFI Systems based on Holley's world-class Dominator and HP ECU's. I had questions on the suggested "Marine O2 Sensor Adapter" from Howell EFI (https://howellefi.com/product/adaptor-o2-sensor-for-marine-use/), but when I look to the pictures, I understand how it will work. As far as a sensor goes, absolutely nothing. 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. You will still get some water on the engine side of the snails, mainly at low Rs. As far as packaging goes, one comes in a Bosch box, the other in a Holley package. I am considering the Daytona Sensors Ignition module. Most of you only need to tune 4 points, idling around the marina, part throttle - pulling the rope tight, 1/2-3/4 throttle - cruise, and YeeHaa - WOT. See Details. is donald smith still alive; julie grant court tv cheerleader Holley has a pump almost identical in size to the OEM pump and it's not difficult to change. Thanks guys. Capability Range: Advanced An update from Al:After installing them I used the auto tune program on the Holly HP V4 software and they are working great. Most of you only need to tune 4 points, idling around the marina, part throttle - pulling the rope tight, 1/2-3/4 throttle - cruise, and YeeHaa - WOT. 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. My Lightnings have a bung welded through the water and into the dry exhaust area at the collector. 10 min read Video. This completes the basic installation of the Holley Sniper EFI 4150 Super Sniper 1250/650 kit. Emissions. 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. Seems to LEARN much faster than the Fitech did. When you purchase through links on our site, we may earn an affiliate commission, which supports our community. Everyone else was backordered several months. GA - As close to the lake as I can afford A powerful, MICRO BlueTooth in dash audio solution! 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. I just discovered that was the case with my Fitech. 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! Because the fuel maps are built on a speed-density (ie, engine RPM versus manifold air pressure) fueling strategy. Pay close attention to the instructions on O2 sensor placement. My spare "Bosch O2 Sensor" came from eBay & was half the price of anywhere else I found. Removed all the unused wires from harness and wrapped all the remaining wires and harness with rfi shielding tape. What I don't want to do is spend more money on the headers than on the fuel injection upgrade and new propeller set. The adapter will be fastened in both metal parts so that no water will reach the O2 sensor. When it did keep running, the headers all started to smoke. So I bought the progressive linkage but you then have . Given the traditionally poor fuel economy of carbureted marine engines, we feel your pain. (REGISTERED USERS DO NOT SEE THIS POST/AD! I'm using the NTK sensor. :-), I started using OMC and Volvo Penta pumps for my conversion. Tips on how to measure the correct location and other considerations when welding in an O2 sensor bung. Comes VERY complete.throttle cable bracket, kickdown bracket, base plate studs & nuts, heat shrink type connectors, and pretty decent instructions as well. I had an injector fail after a month of running and called the tech line who helped me figure that out. This fixed the high throttle position sensor reading (TPS) of above 1% that likely caused my idle issues. 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. Initially I was looking for the upgrade to a 4V holley 4175 carb, but this option has peaked my interest. These types of adjustable on-delay timer relays are on sites like Amazon for less than $10 up to $15. He also explains how to properly install them. There is no problem getting this tuned and then running open loop. 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. Prime cannot be adjusted on this old unit. Looking for some advice pertaining to Holley Sniper and Tire Size upgrades. For gourmands, night markets not only offer scrumptious small . 2014 FJ Cruiser - White - 4X4 - Loaded - . Master ASE tech since 91. #1. Specs. Visit their website for more details. Oxygen Sensor is sold separately.Adaptor should be installed in a flat area of riser at least 6 before water blends with exhaust. It's fast, simple and absolutely free. 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. 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. No one cares about your buddies old antiquated garden hose technology. It could be an instant fix. Posted By : / actual instructions in flowcharting are represented in /; Under :nose exercise before and afternose exercise before and after Distributor and ignition box? While the Sniper has an absolutely outstanding internal ECU, the current model does not offer any laptop programmability. If the indicator reads "LOW Err" double check the connection to the CTS. Explained: Holley EFI Sensors and What They Do O2 sensor failure on a Holley Sniper EFI - YouTube away. The problem is with the Holley computer when you turn on the keyit squirts a prime for a split second. 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. Installed a Lokar throttle linkage bracket custom made for the Sniper, removing the old one that had been on my Holley 750. Ordered another dominator Bosch from Holley and it matches perfect. 5. The Ford 2300 engine uses a Holley carburetor, but it is in fact a licensed copy of a 32/36 Weber. Free ground shipping regardless of order size! The bottom line is that trying to run EFI on a marine engine is not something you can do as an afterthought. He had one there that was run on a dyno then the fuel map was set and shipped back. You'll also notice that the firing order is 1-6-5-4-3-2. What I installed on the motors was the Holley HP 19lb Holley Injectors the Holley 522-198 duel sync distributors with the MSD Digital 6A and the MSD Blaster 2 coils. I was mocking it up at the time. Seems to have more low end tq and is much smoother power through out the rpm range. Good luck! 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. The first option is to just buy the injector body and the controller with the wiring harness and sensors. The plan is to 'learn' a fuel\Timing curve with a closed loop. But you've found the right one for your Holley Sniper EFI System OR your Terminator X EFI System. 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. Look at the bottom.. Search for O2 Hotel Taipei Main Station discounts in Taipei City with KAYAK. I recommend popping for the Master . Don't know about HP increase, with the QFT 750 it would turn a 212/4.0 combo to about 3950 to 4000, the Sniper turns it to 4000 to 4100. Maybe going all the way to the front is the way to go? The fuel pump question is the tough one. In the case of the car, you can generally get out and walk (run?) Phil is right. The O2 sensor burned out immediately. Holley EFI Usb/Can Harness, Sniper Tbi. Spray a rag down pretty good with brake cleaner. Dec 28, 2016. The light shines in the darkness, and the darkness has not overcome it. Holley Sniper EFI Oxygen Sensors 554-155 - Summit Racing Equipment CTS (Coolant Temperature Sensor) - Reads engine temperature. Thanks for that, Danny. I thought the clamp on style mount was a good idea in case the threads got buggered up when a sensor change might occur, and the threads are rusted up by then. All times are GMT-6. Conditions when closed loop o2 should be turned off. http://forums.holley.com/showthread.ension-Harness, http://forums.holley.com/showthread.4388#post54388, If this is your first visit, be sure to Sort. EFI System Pro had everything I needed for my EFI upgrade. 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. Note the temperature sensor mounted on the back of the driver side head in the above photo. Free Shipping - Holley Sniper EFI Oxygen Sensors with qualifying orders of $99. View Holley Sniper EFI Self-Tuning Kit - Shiny Finish. So please, If you have problems registering or can't log into your account, please. so simple check first, whats the fuel pressure? The Sniper will do that. Do you recommend in-tank or external fuel pump? Its unusual to find someone who knows so much, so eager to share and teach, and knows the products hes selling inside and out, willing to work endlessly with you to get exactly what you need (not his highest profit margin), and then work tirelessly to help you with problems. non biased Shelby Cobra related site! 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. There are five significant plug connections to make from the throttle body: Plug into the oxygen sensor. If you are using our Services via a browser you can restrict, block or remove cookies through your web browser settings. I have searched thru the forum as much as I can, with not much luck. New 100 owner, long time cruiserhead - https://forum.ih8mud.com/threads/new-100-owner-long-time-cruiserhead.1300238/. 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. One of the benefits of using any Holley EFI system is that it self learns and tunes on its own. QFI-500 Oxygen Sensor. #1. I have installed the Holley hp efi MPFI on my twin inboard mercruiser 350ci 270 hp. 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. Staff Writer. On my system, I machined in the O2 sensor right between the snail and the manifold of a . Jun 7, 2021. The ones in the Bosch box come without warranty. Price Point: $, Advanced throttle body injection systems capable of transmission control and more. Let him re-jet the carb (a wee bit on the fat side for safety) and reset the timing and try again. Pricing was reasonable, shipping was prompt and Chris helped me with a wiring question during my install. 4. Super helpful and knowledgeable. I want to register an account for free right now! turn on the ignition.but do not start the engine. If you've done some automotive fuel map tuning before, you can likely overcome this challenge. Still needs a EFI pump and return line. O2 Hotel Taipei Main Station - KAYAK Other? Other than the constraints provided in the article above I see no reason why this wouldn't be a great upgrade. Terminator X O2 sensor Off the shelf replacement? You really want a bigger engine. Innovate Motorsports HBX-1 Bung Extender. But MAP sensors are very easy to physically implement and are inexpensive. Then if that doesn't work call the tech line they are great! . MAP Sensors. 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. Holley Sniper first start No o2 sensor - YouTube Replacement Bosch Wideband Oxygen sensor for Sniper EFI and Terminator X systems. I upgraded from terminator x Maxx to dominator.. bought a 2nd o2 sensor kit with Bosch sensor and used an off the shelf Bosch I had been using with terminator. 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?

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