Can more detail be provided? You really want a bigger engine. Parts List: 1) Holley Sniper 2300 EFI Kit (Do not buy the kit with fuel lines and pump etc. It has about 18 hrs to date and is working great. Yellow Init In First shown for an instant when the system is powered on. test the sensor.. for a basic pass/fail of the sensor. The light shines in the darkness, and the darkness has not overcome it. : For registered members this ad will NOT show. Thanks again for writing! The basic kit comes with the TBI unit, touchscreen controller, water temperature sensor, a wideband oxygen sensor, and all the necessary wiring. 4. The oxygen sensor should be mounted at a point where it can read a good average of all the cylinders on one bank. The sniper fit perfectly on the intake. so simple check first, whats the fuel pressure? I do agree if he can get it tuned prior to fouling he can lock that tune and run in open loop. 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). Customer Rating: 4.3 out of 5 stars: 4.5 out of 5 stars: My bet based on longer pump run, to make pressure, you have a leaking injector. 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. Hi all, i'm contemplating doing a sniper quadrajet swap onto my volvo penta 5.7 GL 2bbl holley motor in my 1997 cobalt 200 with the DP-S outdrive. These types of adjustable on-delay timer relays are on sites like Amazon for less than $10 up to $15. Just a rumor. Holley EFI has the solutions you need to get your project up and running better than ever! Distributor and ignition box? Oxygen (O2) Sensor - Is an electronic device that measures the proportion of oxygen (O2) in the exhaust gas. Plug-And-Play Compatible with Holley Sniper EFI System, Only for applications that use a Bosch LSU 4.9 0 258 017 025 (17025) Wideband O2 Sensor, Particulates, carbon (e.g. Capability Range: Professional But you've found the right one for your Holley Sniper EFI System OR your Terminator X EFI System. Apr 13, 2017. with the extension. 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. I wanted to let you all know, I have modified a mercruiser Cool Fuel Gen 3 module(mounted on the engine) to provide fuel to a sniper. PRO's: Wideband O2 sensor harness is longer, allowing easier connection and routing. Introducing Sniper EFI Master Kits, with a Returnless Retrofit Fuel Module. It appears that its a tuning issue. 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. Also in Tools, Shop Equipment & Chemicals, Cataclean - Fuel and Exhaust System Cleaner, Cataclean Diesel - Fuel and Exhaust System Cleaner, Distribution Blocks, Filters, Adapters and Fittings, Microswitch and Solenoid Mounting Brackets, Holley EFI CAN to USB Dongle - Communication Cable, Hooker BlackHeart Oxygen Sensor O2 Bung 2.5" Clamp-On Style, Holley EFI Terminator X Wideband Adapter Harness, Earl's Oxygen Sensor Weld Fitting (Weld Bung) - Steel. Price Point: $$, EFI Systems based on Holley's world-class Dominator and HP ECU's. Add to Cart . Wondering how you are progressing with this? Marc, you don't mention which system you installed but the Holley systems are fully configurable. For a better experience, please enable JavaScript in your browser before proceeding. The fuel pump question is the tough one. Brand: Holley EFI Emission Code: 5: Material: . I will be starting mine up this month, I hope it goes well, good luck to you. Wideband Oxygen Sensor Extension Cable. Sniper EFI 4bbl Marine. Oxygen sensor: It's perfectly OK to share narrow band oxygen sensors with the stock ECU. Do you also recognize that the O2 sensor that is required for closed-loop operation will not survive in the "wet" manifold used by most marine engines, and that to install a device to protect the O2 sensor from this moisture may require the removal, machining, and replacement of the exhaust manifold? So far so good. I've dunked mine lots of times. 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. Was in marine engineering for years. No prime, but a second later it's ready to crank 'normally'. EFI Systems based on Holley's world-class Dominator and HP ECU's. Holley EFI Oxygen Sensor. For gourmands, night markets not only offer scrumptious small . 74 FJ40 confined to the swamp. Sniper EFI 2300 Marine. Holley's self learning system is a blessing and a curse. 2014 FJ Cruiser - White - 4X4 - Loaded - . That would be for individuals that run the OEM exhaust manifold, as well as individuals that run headers. *Possible delays due to Covid-19 click for more information. I have not yet got it figured out. Boats don't cruise at 60mph up and down hills. Sniper EFI Installation Guide. That would be for individuals that run the OEM exhaust manifold, as well as individuals that run headers. 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. If there's anyone willing to read a bit and offer advice about what to do when doing a top-end swap (when you may be in a scenario with a new top-end that's the EFI isn't calibrated for AND you can't have an WBO2 sensor connected), please let me know. Below are the most common sensor usages in a Holley EFI system, however pressure transducers can be applied to any form of pressure in an automotive system, from oil pressure, to exhaust back pressure, and the data gathering usages in racing can get quite creative. Capability Range: Advanced 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. This completes the basic installation of the Holley Sniper EFI 4150 Super Sniper 1250/650 kit. Sniper EFI Quadrajet Marine. Option 1 is to purchase and install one of the Holley EFI Dual-Sync Distributors on your engine. The Holley Sniper system sells for $999.95, installs in under 2 hours, and requires only an O2 sensor, a temp sensor (both included), an electric return-style fuel pump, and four-wires to connect.. Quote Reply Topic: Holley Sniper Posted: Jan/05/2022 at 2:01pm . Good luck! replaced my original terminator x sensor that was mounted in an exhaust that took on some water and killed the original sensor. The Sniper EFI throttle-body drops in place of your . Oxygen Sensor is sold separately.Adaptor should be installed in a flat area of riser at least 6 before water blends with exhaust. We may earn a small commission from affiliate links and paid advertisements. check out the. Late to the party but here's where mine are installed. Ordered another dominator Bosch from Holley and it matches perfect. Welcome to Club Cobra! I recently installed the sniper setup on my stock 71 duster 340 4 speed. Spray a rag down pretty good with brake cleaner. Sorry for the late reply. http://s621.photobucket.com/albums/tt291/Mark11530/?action=view¤t=MAH05771.mp4, http://www.holley.com/data/Products/Technical/199R10226.pdf. I have a 74 bronco, 302, mild cam. Holley EFI Usb/Can Harness, Sniper Tbi. That's great--we look forward to your results! It could be an instant fix. The adapter will be fastened in both metal parts so that no water will reach the O2 sensor. This is the 02 sensor adapter I used. No matter what I do, it will not start. 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. I installed one also on mercruiser 260 hp. The very front would be the safest place. *Possible delays due to Covid-19 click for more information. Some of the landlubbers who are reading this may not realize that many inboard engines utilize what is called a wet exhaust, pushing the water from the engine block into the exhaust and then back into the lake/river/sea on which they float. Sent unit back to Holley. Ref: https://www.holley.com/products/fuel_systems/fuel_injection/sniper_efi/I heard of the new Sniper EFI from some chatter on OffshoreOnly.com. To close this one out, below is a photo of where I installed the O2 bung. Everyone else was backordered several months. The ones in the Bosch box come without warranty. Part# 534-199. Do you recommend in-tank or external fuel pump? Are you running the entire system? Free ground shipping regardless of order size! Other countries likely have simmilar approval processes for marine engines. I did--- Save your money and piece a fuel it together. 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. 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. I'm 3" down from the bottom of the flange to center of bung. This Video Shows Ideal O2 Sensor Placement! Have engine apart and head checked and cleaned at machine shop. I installed it without O2 sensor, adjust on the fly. Part# 50-5009QFT. I will get a new 02 sensor before I swap back to the orange box. Yellow Cold! I'm using the NTK sensor. Any word on this? For now I have a genuine bosch O2 and Standard Automotive TPS installed. I had an injector fail after a month of running and called the tech line who helped me figure that out. Had to replace the oxygen sensor on my car for the terminator x after the original one failed and this fixed all my problems. 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. 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. 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. I bought a new holley sniper , dual sync dist., coil, and holley in tank fuel pump, When engine got hot it would go crazy. . The adapter does require the removal of the manifold and some machining but it allows the O2 sensor to be placed into the exhaust flow but protects it from the water exiting the block. 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. This really applies to any O2 sensor regardless of EFI system. The Tech Tips and discussions are also great! Search for the cheapest hotel deal for O2 Hotel Taipei Main Station in Taipei City. I only have a stick welder and didn't trust myself on the thin pipe so I brazed it in. Replacement Sniper and Terminator X O2 Sensor. 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. 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. Then operate open loop with a fuel map\Timing curve.I am interested in the capabilities of the Sniper product (4 injector) in a Marine application.. I have twin 502 factory fuel injected Mercs and want to go to adaptive EFI. Thanks for the feedback on this adapter, Donald. The problem is with the Holley computer when you turn on the keyit squirts a prime for a split second. Greatest struggle is the shift interrupt. For a better experience, please enable JavaScript in your browser before proceeding. 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. The latest is the new Holley Sniper EFI touted as a true bolt-on self-learning carb replacement. Followed all the instructions to the letter. Initial Calibration in Basic Configuration. Most water jacketed header manufacturers (Lightning, CMI, etc) will install 02 bungs in their headers for extra money. If you are using our Services via a browser you can restrict, block or remove cookies through your web browser settings. They have been working out well for a few years now. All of the wiring begins at the throttle body and connects outward from there. MAP Sensors. The right side o2 was obviously reporting a fat 10.3 afr as a result, but the car still went 139mph, LOL. Followed all the instructions to the letter. 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. Next, the new unit was installed onto the manifold. Douglas Cline. The target A/F value based on load or MAF cfm, and engine speed. 10 min read Video. you don't want to read that loss. It does not look like anything particularly superior in concept. A 90-degree V-6 has three shared crankpins set 120 degrees apart. If it's working to prolong the life of the sensor in the AEM Wideband kit then there is no reason to believe it wouldn't work with any other sensor. For this you need a system that can be fully programmed to the extent of the Holley ECU's capability. Followed all the instructions to the letter. 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. running holley sniper without o2 sensorplymouth township mi police scanner. 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. You must log in or register to reply here. Also the progressive link. The Fora platform includes forum software by XenForo. Holley EFI requires several pressure inputs in order to run an engine. Sniper EFI 2300 Marine. :-), I started using OMC and Volvo Penta pumps for my conversion. Adam. If you call, they usually let you put in your name and they get back to you. 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. I'll let you know how it works out. Let me know how I can be of assistance. This doesn't mean it can't be done. There was a 1.5 point difference in afr between banks. All sensors are tested to ensure they accurately report critical engine data to the . Staff Writer. Great Article. Add To Cart. Warranty Information. An update from Al:After installing them I used the auto tune program on the Holly HP V4 software and they are working great. Holley 554-100 NTK Wideband Oxygen Sensor. It should be pretty straight forward what each of these values do. Then dialed back the cranking fuel quite a bit and that seemed to help some, but still having ongoing issues. Q2. Specs. 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.
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