The throttle body has a built in fuel pressure regulator set at 58.5 psi. Taipei has dozens of world-class restaurants where gourmets can sample the most authentic Chinese cuisines. ), https://www.ebay.com/sch/i.html?_froensor&_sacat=0, https://www.amazon.com/Bosch-Automot1296929&sr=8-3, https://www.efisystempro.com/wbo2-seer-tbi-554-155, https://forums.holley.com/showthread2927#post82927. If you find that please let us know. Oxygen sensor: It's perfectly OK to share narrow band oxygen sensors with the stock ECU. In this video Holley's own Tom Kise explains oxygen sensors and where to place an 02 sensor bung in your exhaust. I bought a new holley sniper , dual sync dist., coil, and holley in tank fuel pump, When engine got hot it would go crazy. http://forums.holley.com/showthread.ension-Harness, http://forums.holley.com/showthread.4388#post54388, If this is your first visit, be sure to
Pricing was reasonable, shipping was prompt and Chris helped me with a wiring question during my install. You must log in or register to reply here. May God's grace bless you in the Lord Jesus Christ. . Advertising . 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. Will I be able to control my ignition timing with the Sniper? The following vehicles are considered Racing Use Only Vehicles: Holley is the new standard in EFI! Search for the cheapest hotel deal for O2 Hotel Taipei Main Station in Taipei City. 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. Supports up to 650hp with Four 100 Lb/Hr Injectors! . I am in the middle of a repower of twin BBC 481, mild cam which will need to be recarbureted. Homemade body parts replace the originals as they rot away but it's a 40 on the inside. We also use content and scripts from third parties that may use tracking technologies. 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. All of the wiring begins at the throttle body and connects outward from there. The latest is the new Holley Sniper EFI touted as a true bolt-on self-learning carb replacement. This is great information that can only get you closer to an ideal solution. You shouldn't feel too bad about that lack of knowledge, because many boat owners either don't realize that the moisture present in their wet exhaust manifold will kill the wideband O2 sensor required by an EFI system. You are using an out of date browser. 2014 FJ Cruiser - White - 4X4 - Loaded - . Robust, feature-rich multi-port EFI systems offer easy plug-and-play late-model V8 engine swaps. Using the throttle body's fuel pressure regulator will require a 5/16" fuel return line to the tank. Service Oxygen Sensor for Sniper EFI Systems, Service Oxygen Sensor for Terminator X Systems. Greatest struggle is the shift interrupt. Initially I was looking for the upgrade to a 4V holley 4175 carb, but this option has peaked my interest. $5 Off Your $100 Mobile App Purchase . One workaround was to leave it in gear and slow to a stop and push the clutch as RPMs drop . If you are not running the latest software stop guessing and go download it. 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. functioning controller during engine operation. Can more detail be provided? Add To Cart. Pink switched power wire, this needs to be connected to a point that is 12V in run and while cranking. Price Point: $$$. Come join the discussion about offshore racing, performance, modifications, builds, classifieds, troubleshooting, maintenance, and more! I've seen O2 sensors in water jacketed headers that have worked fine for years. 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. 2. In Stock. I've dunked mine lots of times. Add to Cart . Other than the constraints provided in the article above I see no reason why this wouldn't be a great upgrade. Holley Sniper EFI Wideband Oxygen Sensor Part Number: 510-554-155 Click image to zoom $125.99 More than 10 available Lowest Price Guarantee Sniper EFI Wideband Oxygen Sensor Replacement Part for Holley Sniper EFI and Terminator X Systems Bosch LSU 4.9 See more product details Free Shipping - Ships Today QTY Add To Cart Add to Wish List The Sniper needs a "clean" 12V wire that is hot in Start and Run. The new Exhaust manifolds will have wideband O2 bungs for tuning. Do you offer a USCG fuel pump kit? Items 1 - 21 of 21 Items. (Assuming it actually releases in November and there are enough units for me to purchase and receive one in December). 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. quick fuel. 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)? 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. CTS (Coolant Temperature Sensor) - Reads engine temperature. The engines are rated at 170 hp each. 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. Has been since the 80's. Holley EFI Usb/Can Harness, Sniper Tbi. To take advantage of all the site features, please take a moment to register. Features: . 02 sensors are very heat sensitive, and can detect an exhaust pulsation in a single Header tube, that's why we always wanted to position the sensor into at least 2 opposite firing tubes we running Headers. If this could be disabled it would be much better. Prime cannot be adjusted on this old unit. Purely coincidence about the '2300' number. 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. 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. Initial Calibration in Basic Configuration. Holley recommends a 3/8" fuel supply line. You are using an out of date browser. My Lightnings have a bung welded through the water and into the dry exhaust area at the collector. Not sure how well the sensor likes being that close to the port. Throttle body mounted ECU - no extra boxes to mount. Everyone raving about customer service is telling the truth! So please, If you have problems registering or can't log into your account, please. 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. That sounds like one solution. Specs. Advanced throttle body injection systems capable of transmission control and more. Innovate Motorsports HBX-1 Bung Extender. QFI-500 Oxygen Sensor. Sniper EFI 4bbl Marine. watch the values in the software for the o2.. once is is done "Heating" and starts to show AFR, wrap the rag round it. 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. (REGISTERED USERS DO NOT SEE THIS POST/AD! well I have installed the Sniper on my 460 KEM (Ford) marine motor. The engine RPM when closed loop o2 will begin. Capability Range: Professional Price Point: $$, EFI Systems based on Holley's world-class Dominator and HP ECU's. Anyone ever converted a 1987 3.7L 4cyl Mercruiser engine to EFI. For this you need a system that can be fully programmed to the extent of the Holley ECU's capability. It turns out that this is a common problem with the Sniper EFI install on vehicles with a manual transmission. Replacement Sniper and Terminator X O2 Sensor. Conditions when closed loop o2 should be turned off. I'm guessing by snail, that's another name for the riser? Using the correct length carb stud and nuts, tighten the Sniper EFI throttle body down progressively in a "criss-cross" pattern (60-80 in.lbs.). These types of adjustable on-delay timer relays are on sites like Amazon for less than $10 up to $15. Vega$69. I purchased the Holley HP MPFI system and went to the lake with it. I hope that the next F/2F header is more O2 sensor friendly. The boat underway acts very much like a water brake dyno I strongly believe that a well broken in engine in good condition can stand a much more critical tune w/o issues and deliver almost the same fuel economy as the proposed EFI conversion. blue doberman puppies. 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. Replacement Bosch Wideband Oxygen sensor for Sniper EFI and Terminator X systems. Note the temperature sensor mounted on the back of the driver side head in the above photo. All of the wiring exits below the rear fuel injector cover, for a completely stealth installation. Top 10 Holley Sniper EFI Tech Tips Holley Technical Training Manager Tom Kise's top ten "suggestions" for Holley Sniper EFI System installation issues. Register now for free!) Also the progressive link. Wiring the Holley Sniper EFI system is equally easy. Your talking flames at that point, and it will definitely have an effect on the reading. No matter what I do, it will not start. 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. A replacement clamp on would be an easy change out. That's great--we look forward to your results! He knows his stuff, gets back quickly to you, etc. 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 hos. Search for O2 Hotel Taipei Main Station discounts in Taipei City with KAYAK. So much it could be. :-), I started using OMC and Volvo Penta pumps for my conversion. You really want a bigger engine. Jan 20, 2019. They are about 4 inches long, in-line between the log and manifold. Wideband Oxygen Sensor Extension Cable. Car runs perfect . The ones in the Bosch box come without warranty. As far as a sensor goes, absolutely nothing. You can selectively provide your consent below to allow such third party embeds. Followed all the instructions to the letter. I have installed the Holley hp efi MPFI on my twin inboard mercruiser 350ci 270 hp. Advanced throttle body injection systems capable of transmission control and more. (Image/Wayne Scraba) The throttle body is a bolt-on replacement for a carburetor. I have not gone back in to try to fine tune them. Stay up to date with the latest releases, events, promotions and more. Anyone have a good place to find a genuine Bosch O2 replacement sensor without paying $110? 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! View Holley Sniper EFI Self-Tuning Kit - Shiny Finish. I just discovered that was the case with my Fitech. AFR was 19 area. From time to time we receive phone calls from individuals who are interested in converting their carbureted boat motor to fuel injection. I will let you know what happens. That is defacto step one in trouble shooting fuel injection systems. The in tank pump is quieter, will normally run cooler and should last longer. The wiring was a bit of a mess. 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. 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, 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 only runs rich on start up for a second due to the prime, after start it runs great. Just a rumor. Full time feedback from the sensor is what the computer uses to refine the fuel table. John 1:5, 1969 FJ40 2F with Holley Sniper EFI, Power Disk Brakes Front & Rear, Downey, Your post has peaked my curiosity. Introducing Sniper EFI Master Kits, with a Returnless Retrofit Fuel Module. Fuel economy went from 12.5 to 13.5 gph to 10 gph. I thought about adding some sort of extra protection but never did. The spark must be manually tuned. Maybe this one has a shorter cable? I tried holley tech support, no answer and put on hold for hours. Joe, where did you end up installing the o2 sensor on your setup? 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. Thanks for that, Danny. Bolt-on carburetor style EFI for your classic car or truck. As far as spark control, the Sniper will let you tune those 4 points, nothing else will. Only show this user. Distributor and ignition box? Replaced O2 sensor but continued to have AFR issues running too rich. 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. Marc, you don't mention which system you installed but the Holley systems are fully configurable. Sorry for the late reply, Douglas. And who can blame them? p.s. This fixed the high throttle position sensor reading (TPS) of above 1% that likely caused my idle issues. In the case of the car, you can generally get out and walk (run?) i thought about it, but after $3400 on an EFI alone and an entirely new rigged boat Im having a hard time forking out another 2000 for an exhaust when I may just do an open loop My buddy machined up a set of spacers I sketched out for him. Staff Writer. The Sniper EFI could very well be one of the easiest to set-up fuel injections systems ever. so mine has been pretty good but 1 out 20 starts you can hear the fuel pump run longer then normal..when it does that it will light off then diebut if i put my foot to the floor it will start..still working on that 1..timing i am running 12 cranking.20 idle.40 cruze.35 wotstill playing with all of this..Mine is also a sniper stealth. Having the same problem with my sniper as well, intermittent hot (and cold) start issues. I have searched thru the forum as much as I can, with not much luck. Similarly, no multi-point fuel injection (MPFI) systems existed that were USCG approved. It works fine. B/c what it sometimes perceives as a lean spike is actually raw fuel with no oxygen. Installed the sniper/MSD combo on my mildly built 460 KEM. away. 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. *Free Shipping & Handling only offered to the contiguous US on orders over $100, excludes clearance parts and oversized packages. Much of the system is encased right inside the throttle bodyand that includes the ECU. Fine tuned the timing to 12-15 degrees. 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. Note that this is a different sensor than Holley uses for their Dominator/HP/Terminator/Avenger series. I'm looking for some more practical and scenario-specific advice; that's one small piece of it. You must log in or register to reply here. This was for MPFI. If you have a manual tranny starting off without squealing the tires can be tricky because all four barrels open up at the same time. Bolt-on carburetor style EFI for your classic car or truck. There can be leftover debris from manufacturing that have been washed down and are now clogging one. Posted By : / actual instructions in flowcharting are represented in /; Under :nose exercise before and afternose exercise before and after Add to Cart . Yes! Seems to have more low end tq and is much smoother power through out the rpm range. He had one there that was run on a dyno then the fuel map was set and shipped back. Could show a lean condition when in fact it really isn't. This page was generated at 08:35 AM. Q3. JavaScript is disabled. But you still risk a little water running back at low Rs. On my system, I machined in the O2 sensor right between the snail and the manifold of a . No one cares about your buddies old antiquated garden hose technology. Affiliate. test the sensor.. for a basic pass/fail of the sensor. Part# 534-199. I am just now ready to do the tuning this weekend. I do agree if he can get it tuned prior to fouling he can lock that tune and run in open loop. 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. Please consult the Holley Sniper full manual and use this guide for supplemental clarification. . Replaced and gapped to .45 all spark plugs. It flows 850 cfm and can support up to 650 horsepower. For now I have a genuine bosch O2 and Standard Automotive TPS installed. This requires a considerable additional investment but as long as you're doing things you're not going to do them half-way, right? Air-Fuel Ratio (AFR) - The most common reference term used for mixtures in internal combustion engines. 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.
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