$119.95. Not always the case with a boat. Some parts are not legal for use in California or other states with similar regulations. 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.
Wideband Realities: The Truth About Oxygen Sensors - EngineLabs 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. O2 sensors are water proof. The wiring was a bit of a mess. Good luck to all. According to AEM Electronics, a leading manufacturer of aftermarket Wideband O2 sensor kits, the following may damage or destroy oxygen sensors: Additionally, if an Sniper or Terminator X EFI System has repeated O2 sensor failures and none of the above-listed suggestions seem likely then contact Holley and arrange to have the unit tested. It's fast, simple and absolutely free. I have also installed a sniper system on a 350 Mercruiser and was wondering if you have done any tuning on yours yet? Add To Cart.
Sniper EFI - Holley I installed a holley sniper kit. The engines are rated at 170 hp each. Sniper throttle body linkage opens all four barrels evenly when you depress the throttle. Removed all the unused wires from harness and wrapped all the remaining wires and harness with rfi shielding tape. Capability Range: Advanced Greatest struggle is the shift interrupt. I had an injector fail after a month of running and called the tech line who helped me figure that out. I would send an Email to Chris at EFIsystempro. This motor would probably turn the berk to 6 grand and blow it out from a stop.Motor dyno'd on a carb @389 hp @ 4700rpm and 497 tq @3500. Come join the discussion about offshore racing, performance, modifications, builds, classifieds, troubleshooting, maintenance, and more! In the end I ended up using a Fuel Control cell made by Pleasure Craft Marine for their 351W engines. Throttle body mounted ECU - no extra boxes to mount. Sep 14, 2021. Customer Rating: 4.3 out of 5 stars: 4.5 out of 5 stars: 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. Supports up to 650hp with Four 100 Lb/Hr Injectors! Also, with Headers you loose 600 to 700 degrees between Head and bottom collector, you don't want to read that loss. There are five significant plug connections to make from the throttle body: Plug into the oxygen sensor. Purely coincidence about the '2300' number. Anyone have a good place to find a genuine Bosch O2 replacement sensor without paying $110? Sent unit back to Holley. (Assuming it actually releases in November and there are enough units for me to purchase and receive one in December). All sensors are tested to ensure they accurately report critical engine data to the . Initially I was looking for the upgrade to a 4V holley 4175 carb, but this option has peaked my interest. Will I be able to control my ignition timing with the Sniper? All of the wiring exits below the rear fuel injector cover, for a completely stealth installation. Running?
Holley sniper help!!!! | ClassicBroncos.com Forum What motor is this on? Holley 2300 is their nomenclature for a 2-bbl generic fitment carburetor. However, advanced tuning software is available for the Sniper EFI System that allow them to be tuned by a competent professional with experience tuning marine applications. My question is concerning what happens a year later, when I have a top-end swap . Price Point: $$, Robust, feature-rich multi-port EFI systems offer easy plug-and-play late-model V8 engine swaps. Maybe going all the way to the front is the way to go?
Explained: Holley EFI Sensors and What They Do Now the lower cost Holley Sniper advertised for March 31 2016. The spark must be manually tuned. I mounted it here attempting to protect it from the deep water I play in and from lots of branches I encounter. One comes in the form of a Marine O2 Sensor Adapter from the folks at Howell EFI. It will flood itself out and won't start back, just crank and crank. Everything about the fuel prime shot can be adjusted. An update from Al:After installing them I used the auto tune program on the Holly HP V4 software and they are working great. Free ground shipping regardless of order size! 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. 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. Look at the bottom.. Wiring the Holley Sniper EFI system is equally easy. Those "flames" are still consuming O2 that would otherwise not be read by a sensor in the correct location. I was thinking aluminum heads would run it up closer to 5,000 rpm. 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. functioning controller during engine operation. Adam. If you are not running the latest software stop guessing and go download it. I took my time soldered every wire connection and routed all the wires carefully to avoid any emt issues. New 100 owner, long time cruiserhead - https://forum.ih8mud.com/threads/new-100-owner-long-time-cruiserhead.1300238/. That is defacto step one in trouble shooting fuel injection systems. Brand: Holley EFI Emission Code: 5: Material: .
O2 Sensor in a boat exhaust | Performance Boats Forum 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. Here is one on start up tuning. Price Point: $$$.
Holley Sniper EFI System is Easy, Budget-Friendly Path to Fuel You must log in or register to reply here. Capability Range: Advanced The Fora platform includes forum software by XenForo. Followed all the instructions to the letter. Do you offer a USCG fuel pump kit? looking at doing the same. Holley Sniper EFI Wideband Oxygen Sensor. . The basic kit comes with the TBI unit, touchscreen controller, water temperature sensor, a wideband oxygen sensor, and all the necessary wiring. Has anyone run an O2 sensor in an EFI on a marine engine? Holley EFI requires several pressure inputs in order to run an engine. Posted By : / actual instructions in flowcharting are represented in /; Under :nose exercise before and afternose exercise before and after Add to Cart . We can hear the initial fuel spray into the body, but it appears that its not enough to start the engine while hot. When either of these operating temperature ranges is exceeded, the sensor can no longer be . 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. 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. Option 1 is to purchase and install one of the Holley EFI Dual-Sync Distributors on your engine. The in tank pump is quieter, will normally run cooler and should last longer. John 1:5, 1969 FJ40 2F with Holley Sniper EFI, Power Disk Brakes Front & Rear, Downey, Your post has peaked my curiosity. holley efi. Replacement Sniper and Terminator X O2 Sensor. I do agree if he can get it tuned prior to fouling he can lock that tune and run in open loop. Thinking about this I think this will work very fine! Holley Sniper EFI Self-Tuning Kit - Black Ceramic Finish. #3. Plug into the coolant temperature sensor. Affiliate. If he wants to run in closed loop and have the system adapting to conditions at all times, the minute he fouls he is dead in the water. Any word on this? For this you need a system that can be fully programmed to the extent of the Holley ECU's capability. Anything else is going to be a frustrating recipe for for failure. Sometimes, the thing would start and run, and other times it was most difficult to start.
Holley Sniper - Oxygen Sensor Location | IH8MUD Forum It could be an instant fix. I installed a holley sniper kit. Holley EFI Oxygen Sensor. The Sniper EFI throttle-body drops in place of your . Your BluePrint Engine will be equipped with a Holley model 550-510, or 550-511 (identical except for finish color) on 4150 flanged intake manifolds.
Holley Sniper first start No o2 sensor - YouTube All times are GMT-6. While this is extremely unlikely if you are having immediate, back-to-back O2 sensor failures you should make the effort to rule this out. It works fine. I installed one also on mercruiser 260 hp.
EFI Swap | Shamrock Boat Owners' Club What Is Pinion Offset, And How Does That Affect You? As I have since added above, the Sniper simply isn't going to be the system to use to tackle this problem. I've seen O2 sensors in water jacketed headers that have worked fine for years. Register now for free! The fuel pump question is the tough one. I have a local customer with a pair of big blocks in his offshore boat that is eager to get started on this. Pink switched power wire, this needs to be connected to a point that is 12V in run and while cranking. - You are currently viewing the forums as a GUEST. Similarly, no multi-point fuel injection (MPFI) systems existed that were USCG approved. It works great where its at. 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. One example of a direction could be an adjustable timed delay-on injector-power relay in the injector power feed wire, delaying 1-second after key-on or whatever is necessary to bypass the prime shot time, only. If a cruiser with enclosed engine compartment, not a lot you can do to eliminate water or at least water vapor in the exhaust. watch the values in the software for the o2.. once is is done "Heating" and starts to show AFR, wrap the rag round it. Without the engine running, AFR will read 35.6 The fuel pump will run off a relay in the sniper harness (blue wire) pink wire gets switch/run power to the relay. $43 per night (Latest starting price for this hotel). 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. is donald smith still alive; julie grant court tv cheerleader 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. The ones in the Bosch box come without warranty. : For registered members this ad will NOT show. I thought about adding some sort of extra protection but never did. Ive got a set of bassett headers for a BBC, ill see if they can fit under the transom. Got a picture? 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. It's a compact HP pump and cooler assembly. 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. Installed the sniper/MSD combo on my mildly built 460 KEM. There can be leftover debris from manufacturing that have been washed down and are now clogging one. Stay up to date with the latest releases, events, promotions and more. Shop Oxygen Sensors at Summit Racing. Without Headers Steamers location (above) is perfect, up close to the engine where you have not lost much heat. The truck started fine after install, and ran down the road ok. 100% identical.
#HM206 - ADAPTOR, O2 SENSOR for Marine use - Howell EFI Conversion Phil said water would still get up over the snail and knock out the sensor. Other countries likely have simmilar approval processes for marine engines. If this could be disabled it would be much better. Since the Sniper install, I encountered my second O2 sensor failure so I thought I would try the "Innovate Bung Extender" recommended by a few folks here. In order to do this, it heavily relies on proper O2 sensor placement. O2 Sensor Mounting: The O2 needs to be mounted 6-8" after the merge in the header collector. Without Headers Steamers location (above) is perfect, up close to the engine where you . Sensors that are installed in an exhaust must be connected to a properly 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. OP, the Edelbrock system looks to use the same basic sensors as the Holley sniper system: TPS, MAP and O2, plus a few supporting sensors. Fine tuned the timing to 12-15 degrees. I received my replacement TPS and O2 sensor. For now I have a genuine bosch O2 and Standard Automotive TPS installed. This really applies to any O2 sensor regardless of EFI system.
I only have a stick welder and didn't trust myself on the thin pipe so I brazed it in. $102.95. I want to register an account for free right now! Maybe this one has a shorter cable? It flows 850 cfm and can support up to 650 horsepower. This product works with Holley EFI wideband oxygen sensors, part numbers 554-100 and 554-101. Items 1 - 21 of 21 Items. To close this one out, below is a photo of where I installed the O2 bung. Sorry for the late reply, Douglas. In the event you decided earlier that you are going with the Sniper EFI System you will not have the requisite tuning capability by simply using the included handheld tuner. If I am reading your post correctly you are using two separate o2 sensors when using headers ? I am happy with Holleys no hassle replacement of the parts. 2023 Holley Performance Products, Inc. All Rights Reserved. About your only location is in that short area from the log to the port face. In this video Holley's own Tom Kise explains oxygen sensors and where to place an 02 sensor bung in your exhaust.
Holley Sniper EFI - Page 3 - Offshoreonly.com In a horizontal or if pointed upwards it can collect exhaust condensation liquids upon start up. Welcome to Club Cobra! Q3. blue doberman puppies. 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. The basic kit comes with the TBI unit, touchscreen controller, water temperature sensor, a wideband oxygen sensor, and all the necessary wiring. This is great information that can only get you closer to an ideal solution. $132.95. 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. Staff Writer. Free ground shipping regardless of order size! I had the pink ecu signal wire connected to a bullet connector on the passenger side . ), 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. 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? Specs. You should then have at least 18-24" of pipe after the sensor. 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. Each engine has the Holley marine 2 barrel carburetor. Most water jacketed header manufacturers (Lightning, CMI, etc) will install 02 bungs in their headers for extra money. You'll also notice that the firing order is 1-6-5-4-3-2. I have tried several different settings to get it going, no luck. I've got the Howell EFI adapter installed in the riser of some standard Inboard Manifolds and it works great. Still needs a EFI pump and return line. . This Video Shows Ideal O2 Sensor Placement! Miami, FL. I am a competent mechanic and I have checked all the usual suspect items.
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