One of the most common causes of poor idle is improper O2 sensor placement or trying to run closed loop at idle . After discussing it in this thread and talking with Holley's tech support, I decided . Everything is included to completely plumb your fuel system including; 20 feet of 3/8" EFI Hose, in-line fuel pump, post and pre fuel filters, return bulkhead, and all of the necessary fittings and hardware. Capability Range: Moderate Welcome to Club Cobra! It only runs rich on start up for a second due to the prime, after start it runs great. The Holley Super Sniper High Performance EFI kit comes with a coolant temperature sensor and an O2 sensor, both of which must be used for the EFI to work properly. B/c what it sometimes perceives as a lean spike is actually raw fuel with no oxygen. *Free Shipping & Handling only offered to the contiguous US on orders over $100, excludes clearance parts and oversized packages. Everyone raving about customer service is telling the truth! Holley Oxygen Sensor O2 Bung Weld-In Style; Larger Image. 10 min read. test the sensor.. for a basic pass/fail of the sensor. Yes, this is an old thread, but it's an old unit. $132.95. Wherever you go, the cultural kaleidoscope of Taipei showcases exhilarating diversity. All of the wiring exits below the rear fuel injector cover, for a completely stealth installation. All times are GMT-6. 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. This really applies to any O2 sensor regardless of EFI system. I will let you know what happens. We also use content and scripts from third parties that may use tracking technologies. Is this a viable upgrade for my boat? This runs in the area of $1000 and has everything you need for a basic install on almost any vehicle equipped with a four barrel carb. The throttle body has a built in fuel pressure regulator set at 58.5 psi. And it is timing that is equally critical to best performance and fuel economy. Holley EFI Usb/Can Harness, Sniper Tbi. The Sniper EFI throttle-body drops in place of your . Running? $102.95. He had one there that was run on a dyno then the fuel map was set and shipped back. The spark must be manually tuned. When problem-solving this type of issue, consider when and how you could use a work-around. Copyright 2022 Holley Performance Products, Inc. All right reserved. I'll let you know how it works out. 2. To take advantage of all the site features, please take a moment to register. Holley EFI Oxygen Sensor. Other countries likely have simmilar approval processes for marine engines. #1. Stock manifolds? Yellow Init In First shown for an instant when the system is powered on. . Holley Sniper EFI Oxygen Sensors 554-155 Replacement Bosch Wideband Oxygen sensor for Sniper EFI and Terminator X systems. MAP Sensors. Option 1 is to purchase and install one of the Holley EFI Dual-Sync Distributors on your engine. 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. 29. Sensors: Fitting: Threaded O2 . I only have a stick welder and didn't trust myself on the thin pipe so I brazed it in. Sniper EFI 4bbl Marine. The engine floods and it is embarrassing when leaving a lock. It does not work with the Sniper EFI oxygen sensor. The Sniper will do that. I have searched thru the forum as much as I can, with not much luck. CTS (Coolant Temperature Sensor) - Reads engine temperature. VerticalScope Inc., 111 Peter Street, Suite 600, Toronto, Ontario, M5V 2H1, Canada. Yellow Cold! I didn't read all this, but yes, the EFI system can be run without a WBO2 sensor. I will be calling around to see if I can find someone to help that has experience. Other than the constraints provided in the article above I see no reason why this wouldn't be a great upgrade. No matter what I do, it will not start. Then dialed back the cranking fuel quite a bit and that seemed to help some, but still having ongoing issues. 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. 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. It does this every time..when you start a warmed up engine, its too rich and starts poorly without throttle. He had one there that was run on a dyno then the fuel map was set and shipped back. YES! HP comes from torque and rpm and rpm breaks things and increases wear. All I can say is it made a completely different motor out of the 460, 39 degrees out and starts within 2 revolutions power is super smooth throughout the rpm range (idle to 4100rpms 212 Hamilton with 4.0 turbo impeller) has about 6 hrs of learn time. (If I am incorrect I heartily invite your comment at the bottom of this article!) John 1:5, 1969 FJ40 2F with Holley Sniper EFI, Power Disk Brakes Front & Rear, Downey, Your post has peaked my curiosity. 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.. For the most part, the small harness is plug-and-play. 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. 4. Stay up to date with the latest releases, events, promotions and more. WARNING: It is against the law to install this part on an Emissions Controlled Vehicle, By Corey A on June 4, 2021 | Verified Owner. 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. 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. Replaced O2 sensor but continued to have AFR issues running too rich. Your talking flames at that point, and it will definitely have an effect on the reading. 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. Then if that doesn't work call the tech line they are great! Holley has a pump almost identical in size to the OEM pump and it's not difficult to change. The right side o2 was obviously reporting a fat 10.3 afr as a result, but the car still went 139mph, LOL. ), 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. Not always the case with a boat. Innovate Motorsports HBX-1 Bung Extender. 3. Each engine has the Holley marine 2 barrel carburetor. Purely coincidence about the '2300' number. We may earn a small commission from affiliate links and paid advertisements. I had an o2 sensor fail on a pass yesterday, and flatline at 11.5afr. 10 min read Video. 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've dunked mine lots of times. The sniper fit perfectly on the intake. QFI-500 Oxygen Sensor. 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. Phil said water would still get up over the snail and knock out the sensor. Posted By : / actual instructions in flowcharting are represented in /; Under :nose exercise before and afternose exercise before and after I bought a new holley sniper , dual sync dist., coil, and holley in tank fuel pump, When engine got hot it would go crazy. Holley 2300 is their nomenclature for a 2-bbl generic fitment carburetor. See Details. As far as a sensor goes, absolutely nothing. Conditions when closed loop o2 should be turned off. 534-199. The truck started fine after install, and ran down the road ok. 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? 74 FJ40 confined to the swamp. Without Headers Steamers location (above) is perfect, up close to the engine where you have not lost much heat. (Image/Wayne Scraba) The throttle body is a bolt-on replacement for a carburetor. YES! excessively rich mixtures), Mechanical shock (e.g. For gourmands, night markets not only offer scrumptious small . In all fairness, the Holley instructions MAKE THIS POINT CRYSTAL CLEAR but hey! . Sniper EFI 2300 Marine. Find a lower price anywhere and we'll beat it by 5%! My hand is holding the connector to the sensor. There can be leftover debris from manufacturing that have been washed down and are now clogging one. Capability Range: Professional . I am in the middle of a repower of twin BBC 481, mild cam which will need to be recarbureted. My boat is still in winter storage. (probably with the edelbrock marine 2506 intake). Taipei has dozens of world-class restaurants where gourmets can sample the most authentic Chinese cuisines. 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. It will crank and run great for 2-15 seconds then die. Advanced throttle body injection systems capable of transmission control and more. Add to Cart . Aftermarket headers are pretty much the only safe way to run an O2 sensor. If the indicator reads "LOW Err" double check the connection to the CTS. Was in marine engineering for years. It may not display this or other websites correctly. The Ford 2300 engine uses a Holley carburetor, but it is in fact a licensed copy of a 32/36 Weber. Given the traditionally poor fuel economy of carbureted marine engines, we feel your pain. The ones in the Bosch box come without warranty. Affiliate. The clamp-on that came with mine wasnt a good fit on my 2" pipe. But you've found the right one for your Holley Sniper EFI System OR your Terminator X EFI System. O2 sensor placement is critical for getting your engine to read the oxygen in the exhaust correctly and can directly impact the performance of your new EFI installation. running holley sniper without o2 sensorplymouth township mi police scanner. Add To Cart. Sniper EFI Releases new Stealth 4150 Models! KAYAK searches hundreds of travel sites to help you find and book the hotel deal at O2 Hotel Taipei Main Station that suits you best. You should then have at least 18-24" of pipe after the sensor. 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? Mine is right where Steamers is, and works well with my AFI TBI. Brand: Holley EFI Emission Code: 4 . 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. It works fine. I've seen O2 sensors in water jacketed headers that have worked fine for years. If you are not running the latest software stop guessing and go download it. Wiring the Holley Sniper EFI system is equally easy. No worse than taking the reading in the intake manifold cross over. The first thing to consider here (if you are in the USA) is US Coast Guard (USCG) Safety Approval. 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. Sep 14, 2021. Still needs a EFI pump and return line. That would be for individuals that run the OEM exhaust manifold, as well as individuals that run headers. I have twin 502 factory fuel injected Mercs and want to go to adaptive EFI. Add to Cart . (Assuming it actually releases in November and there are enough units for me to purchase and receive one in December). The light shines in the darkness, and the darkness has not overcome it. so far so good love the smooth power and easy starts. Removed all the unused wires from harness and wrapped all the remaining wires and harness with rfi shielding tape. Those "flames" are still consuming O2 that would otherwise not be read by a sensor in the correct location. I will get a new 02 sensor before I swap back to the orange box. Jan 20, 2019. This doesn't apply to race boats. Here's the pic of the location with my header. Specs. : For registered members this ad will NOT show. Followed all the instructions to the letter. Bolt-on carburetor style EFI for your classic car or truck. Only show this user. I have a local customer with a pair of big blocks in his offshore boat that is eager to get started on this. Right now I'm just using the AEM Wideband sensor to monitor Air/Fuel ratio but hope to use it in an EFI system soon. Who knows. 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. Are you running the entire system? But it is going to be a little tricky. 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. It's hallmark is its simplicity--but in this case it is also it's shortcoming. For the most part each engine wants a bit of its own timing set-up IMHO, you boat owners with a 270HP 350 (or any other config) may want 350HP but upgrading it to that level will reduce or eliminate reliability. 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. Price Point: $, Advanced throttle body injection systems capable of transmission control and more. I have not gone back in to try to fine tune them. Is Holley working on a complete marine package or planning to in the future? Some parts are not legal for use in California or other states with similar regulations. Newer ECMs have all the options to configure these functions. Douglas Cline. I want to register an account for free right now! 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! And the relay and fuse were mounted along the firewall. Sniper EFI 4bbl Marine. 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. Phil is right. 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 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. Sort. Sniper EFI Releases new Stealth 4150 Models! Good luck to all. If you have long tube headers, mount the sensor approximately 6-10" after the collector. After a few tries by jumping the starter solenoid I then realized the ignition key was in the off position. Most water jacketed header manufacturers (Lightning, CMI, etc) will install 02 bungs in their headers for extra money. 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. 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. Capability Range: Advanced Its the Holley Pro Jection TBI mentioned by the above poster. Part # 554-155. Free ground shipping regardless of order size! My Lightnings have a bung welded through the water and into the dry exhaust area at the collector. I've got the Howell EFI adapter installed in the riser of some standard Inboard Manifolds and it works great. Copyright 2017 Cyberspace Automotive Performance, Inc. All Rights Reserved. The Holley Sniper EFI Quadrajet is a self-contained throttle-body injection system that's a direct replacement for spreadbore Quadrajet carburetors found on many classic GM vehicles. 2023 Holley Performance Products, Inc. All Rights Reserved. Features: . It will not fit on round or oval risers without a suitable flat area. Items 1 - 21 of 21 Items. 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. EFI EFI kit electronic fuel injection. The engine RPM when closed loop o2 will begin. Thanks for that, Danny. Thanks again for writing! Incense-veiled temples with exquisite carvings and paintings dating back to dynastic times blend seamlessly in streets of the modern city. 1985 fj60 (sold back to Toyota), 1997 fzj80, 1971 fj40 with 75 2F. When you purchase through links on our site, we may earn an affiliate commission, which supports our community. Q3. It does not look like anything particularly superior in concept. I think I could run more boost but it's a real hand full right now. 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. 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. O2 sensors are water proof. You really want a bigger engine. If you let it cool down again, does it start up fine? Only a few hours on the motor but so far so good. Holley EFI has the solutions you need to get your project up and running better than ever! Will I be able to control my ignition timing with the Sniper? Price Point: $, Advanced throttle body injection systems capable of transmission control and more. 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. My spare "Bosch O2 Sensor" came from eBay & was half the price of anywhere else I found. 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. There was a 1.5 point difference in afr between banks. Ordered another dominator Bosch from Holley and it matches perfect. The spark must be manually tuned. Wondering how you are progressing with this? Note the temperature sensor mounted on the back of the driver side head in the above photo. Maybe going all the way to the front is the way to go? Can anyone share their experiences with this type of setup? It will flood itself out and won't start back, just crank and crank. It may not display this or other websites correctly. Does an yone have a pic of the O2 sensor in their exhaust? Sadly, no. View Holley Sniper EFI Self-Tuning Kit - Shiny Finish. p.s. 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. When either of these operating temperature ranges is exceeded, the sensor can no longer be . I installed it without O2 sensor, adjust on the fly. Air-Fuel Ratio (AFR) - The most common reference term used for mixtures in internal combustion engines. Late to the party but here's where mine are installed. 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. Any word on this? Sensors that are installed in an exhaust must be connected to a properly . Otherwise I have to check for a place in my gasoline tank to put the lines in. In order to do this, it heavily relies on proper O2 sensor placement. The fuel pump question is the tough one. From time to time we receive phone calls from individuals who are interested in converting their carbureted boat motor to fuel injection. 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. but I'm finding when running engines with holley sniper kits the the engines are very eratic ,the air fuel numbers are always changing drastically from one pull to . Not sure how well the sensor likes being that close to the port. Pay close attention to the instructions on O2 sensor placement. On a side note: Im getting 4200 rpms at 5000 elevation with stock heads. They are the only ones got me a holley usb to can cable fast. The very front would be the safest place. Car runs perfect . EFI System Pro had everything I needed for my EFI upgrade. This site uses cookies to help personalise content, tailor your experience and to keep you logged in if you register. $43 per night (Latest starting price for this hotel). You will need an O2 sensor to measure fuel needs, but it could be tuned manually like in the old days. Wideband Oxygen Sensor Extension Cable. 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. The new Exhaust manifolds will have wideband O2 bungs for tuning. Brand: Holley EFI Emission Code: 5: Material: . You will still get some water on the engine side of the snails, mainly at low Rs. Price Point: $$, EFI Systems based on Holley's world-class Dominator and HP ECU's. Bolt on 4150 Flange Carburetor Replacement. Good luck! Bolt-on carburetor style EFI for your classic car or truck. That would be for individuals that run the OEM exhaust manifold, as well as individuals that run headers. #1. Holley EFI. I am considering the Daytona Sensors Ignition module. Bosch 17025 Oxygen Sensor #1 Best Seller . I think installing a wide band O2 sensor in the manifold(s) is a great idea. Oxygen Sensor is sold separately.Adaptor should be installed in a flat area of riser at least 6 before water blends with exhaust. EFI EFI kit electronic fuel injection. The O2 sensor burned out immediately. Search for O2 Hotel Taipei Main Station discounts in Taipei City with KAYAK. Apr 13, 2017. with the extension. All sensors are tested to ensure they accurately report critical engine data to the . Top 10 Holley Sniper EFI Tech Tips Holley Technical Training Manager Tom Kise's top ten "suggestions" for Holley Sniper EFI System installation issues.
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