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74 FJ40 confined to the swamp. Still needs a EFI pump and return line. Supports up to 650hp with Four 100 Lb/Hr Injectors! 3. Capability Range: Advanced Did you use the Holley fuel pump and have you had any issues with it? Sensors: Fitting: Threaded O2 . It appears that its a tuning issue. . Price Point: $$, Robust, feature-rich multi-port EFI systems offer easy plug-and-play late-model V8 engine swaps. Bolt-on carburetor style EFI for your classic car or truck. Customer Rating: 4.3 out of 5 stars: 4.5 out of 5 stars: Then they had it repaired and back to me in 5 business days. Be sure to disable autotune and remove the O2 sensor before it dies. This product works with Holley EFI wideband oxygen sensors, part numbers 554-100 and 554-101. blue doberman puppies. Holley Sniper EFI System is Easy, Budget-Friendly Path to Fuel Holley has a pump almost identical in size to the OEM pump and it's not difficult to change. Sorry for the late reply, Douglas. Holley Sniper Installation Supplement Please note, a Holley Sniper instruction manual, as well as some small parts that come with the . You will need an O2 sensor to measure fuel needs, but it could be tuned manually like in the old days. There are five significant plug connections to make from the throttle body: Plug into the oxygen sensor. Incense-veiled temples with exquisite carvings and paintings dating back to dynastic times blend seamlessly in streets of the modern city. Maybe going all the way to the front is the way to go? 10 min read Video. When you purchase through links on our site, we may earn an affiliate commission, which supports our community. The sniper fit perfectly on the intake. Most water jacketed header manufacturers (Lightning, CMI, etc) will install 02 bungs in their headers for extra money. The plan is to 'learn' a fuel\Timing curve with a closed loop. I also capped off the regulated return line with a hose, clamps, and chamfering bit. I took my time soldered every wire connection and routed all the wires carefully to avoid any emt issues. What motor is this on? Any word on this? It does not work with the Sniper EFI oxygen sensor. Followed all the instructions to the letter. The new Exhaust manifolds will have wideband O2 bungs for tuning. Miami, FL. :-), I started using OMC and Volvo Penta pumps for my conversion. Terminator X O2 sensor Off the shelf replacement? (REGISTERED USERS DO NOT SEE THIS POST/AD! Holley Oxygen Sensor O2 Bung Weld-In Style; Larger Image. These often don't work with stock ECUs, so your best bet is to weld in a second bung for the wideband sensor. Oxygen (O2) Sensor - Is an electronic device that measures the proportion of oxygen (O2) in the exhaust gas. I am just now ready to do the tuning this weekend. Holley sniper help!!!! | ClassicBroncos.com Forum Followed all the instructions to the letter. In the case of the car, you can generally get out and walk (run?) Wideband Oxygen Sensor Extension Cable. The Tech Tips and discussions are also great! The wiring was a bit of a mess. I have searched thru the forum as much as I can, with not much luck. As far as a sensor goes, absolutely nothing. 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. Price Point: $$, EFI Systems based on Holley's world-class Dominator and HP ECU's. This completes the basic installation of the Holley Sniper EFI 4150 Super Sniper 1250/650 kit. $5 Off Your $100 Mobile App Purchase . Holley efi behavior with bad o2 sensor, safety feature I installed a Holley sniper system on my car and I've been fighting it for 2 weeks now. So please, If you have problems registering or can't log into your account, please. The fuel module is self contained with water jacket cooling and contains the low and high pressure pumps. Engine Startup Tuning for Sniper and Terminator X Stealth Owners Then if that doesn't work call the tech line they are great! I have not had it on the dyno with the sniper, but would guess probably about 400 to 410 hp and well over 500 tq.I did use the holley pump that came with the sniper. For this you need a system that can be fully programmed to the extent of the Holley ECU's capability. Holley EFI. Top 10 Holley Sniper EFI Tech Tips Holley Technical Training Manager Tom Kise's top ten "suggestions" for Holley Sniper EFI System installation issues. I am a competent mechanic and I have checked all the usual suspect items. holley efi. Everyone else was backordered several months. Marine O2 Sensor Adapter Plate - Affordable Fuel Injection 2014 FJ Cruiser - White - 4X4 - Loaded - . Then if you are do you just wire the o2 sensors in parallel or do these EFI kits have inputs for more than one sensor. On my system, I machined in the O2 sensor right between the snail and the manifold of a . I have a boat with twin 3.7 Mercruisers. Product Q&A . I installed it without O2 sensor, adjust on the fly. As always, your results may vary and batteries not included. Holley 554-100 NTK Wideband Oxygen Sensor. My boat is still in winter storage. 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. By Joshua C on August 10, 2021 | Verified Owner, Worked right out of the box. It just means that if you are thinking you'll install this, crank it, and pull away from the dock with complete success you might be in for some disappointment. While the Sniper has an absolutely outstanding internal ECU, the current model does not offer any laptop programmability. The ones in the Bosch box come without warranty. I want to register an account for free right now! From time to time we receive phone calls from individuals who are interested in converting their carbureted boat motor to fuel injection. I do agree if he can get it tuned prior to fouling he can lock that tune and run in open loop. functioning controller during engine operation. The in tank pump is quieter, will normally run cooler and should last longer. well I have installed the Sniper on my 460 KEM (Ford) marine motor. Are you holding your RPMs back with the MSD for some reason? temporarily running without WBO2 sensor? - Holley Some parts are not legal for use in California or other states with similar regulations. Are you running the latest software? A 90-degree V-6 has three shared crankpins set 120 degrees apart. Replacement Bosch Wideband Oxygen sensor for Sniper EFI and Terminator X systems. Categories. Had to replace the oxygen sensor on my car for the terminator x after the original one failed and this fixed all my problems. Follow USCG rules about materials and fittings. Assuming that your current ignition works well with the marine carburetors it will continue to work well with the Sniper EFI System. Affiliate. Maybe this one has a shorter cable? Holley Sniper Marine EFI | Bloodydecks The Sniper EFI throttle-body drops in place of your . The truck started fine after install, and ran down the road ok. Capability Range: Professional I am happy with Holleys no hassle replacement of the parts. That is defacto step one in trouble shooting fuel injection systems. Welcome to Club Cobra! Next, the new unit was installed onto the manifold. 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. dropping a sensor on the ground), Extreme exhaust temperatures (Greater than 930 degC/1700 degF), Unheated sensor in exhaust stream. Homemade body parts replace the originals as they rot away but it's a 40 on the inside. i'm not aware of a universal aftermarket EFI fuel pump kit that is USCG approved. Part# 550-511. As far as packaging goes, one comes in a Bosch box, the other in a Holley package. 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. 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. Tips on how to measure the correct location and other considerations when welding in an O2 sensor bung. So I bought the progressive linkage but you then have . But you've found the right one for your Holley Sniper EFI System OR your Terminator X EFI System. A forum community dedicated to performance boat owners and enthusiasts. I don't have enough experience with marine applications to know exactly what it will take to solve this. I've got the Howell EFI adapter installed in the riser of some standard Inboard Manifolds and it works great. Let him re-jet the carb (a wee bit on the fat side for safety) and reset the timing and try again. I've been building a TBI system from GM parts to use on a 1987 Wellcraft with the Mercruiser 4 cylinder engine. Conditions when closed loop o2 should be turned off. Can more detail be provided? There are drawbacks to that (as your tuner can explain in more detail) but it is doable, provided the system is correctly tuned initially. If you have any exhaust leaks between the combustion chamber and 18-24" after the sensor you are going to have problems. I have not gone back in to try to fine tune them. We also use content and scripts from third parties that may use tracking technologies. 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. In this case, the prime shot is good for cold, but too much for warm. Boats don't cruise at 60mph up and down hills. "Old Yeller" gets Holley EFI Sniper O2 Sensor Installedhttps://www.holley.com/products/fuel_systems/fuel_injection/sniper_efi/sniper_efi_stealth_4150/sniper_. is donald smith still alive; julie grant court tv cheerleader Bolt-on carburetor style EFI for your classic car or truck. 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. I will change and be using an in-tank pump when I install the new 120 gallon tank this winter. What Is Pinion Offset, And How Does That Affect You? For a better experience, please enable JavaScript in your browser before proceeding. 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. Much of the system is encased right inside the throttle bodyand that includes the ECU. The ones in the Bosch box come without warranty. The engine floods and it is embarrassing when leaving a lock. Why? I think installing a wide band O2 sensor in the manifold(s) is a great idea. Got a picture? Pricing was reasonable, shipping was prompt and Chris helped me with a wiring question during my install. Holley recommends a 3/8" fuel supply line. Holley Sniper EFI Self-Tuning Kit - Shiny Finish, Holley Sniper EFI Self-Tuning Kit - Black Ceramic Finish, Holley Sniper EFI Self-Tuning Kit - Classic Gold Finish, Holley Sniper EFI 2300 Self-Tuning Kit - Shiny Finish, Holley Sniper EFI 2300 Self-Tuning Kit - Black Ceramic Finish, Holley Sniper EFI 2300 Self-Tuning Kit - Classic Gold Finish. However, overcoming that whole idle/off-idle transition (mentioned above) is going to be the challenge. Holley part number 554-155. View Holley Sniper EFI Self-Tuning Kit - Shiny Finish. test the sensor.. for a basic pass/fail of the sensor. They have been working out well for a few years now. 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. Sniper EFI Releases new Stealth 4150 Models! Sent unit back to Holley. The problem is with the Holley computer when you turn on the keyit squirts a prime for a split second. Removed all the unused wires from harness and wrapped all the remaining wires and harness with rfi shielding tape. Full product line and accessories at excellent pricing. Oxygen sensor: It's perfectly OK to share narrow band oxygen sensors with the stock ECU. Still trying to find more info on electronic conversion, only found Pertronix replacement for points so far.. What TBI, fuel pump, sensors and ECM computer are you using? O2 sensor failure on a Holley Sniper EFI - YouTube Never tried it myself or know anyone fwho has, but Little kids play hooky . big kids play. Specs. Holley EFI 554-155 Holley EFI Oxygen Sensor Holley Sniper EFI Oxygen Sensors 554-155 - Summit Racing Equipment Stay up to date with the latest releases, events, promotions and more. Find a lower price anywhere and we'll beat it by 5%! . . If you have long tube headers, mount the sensor approximately 6-10" after the collector. Put an end to cold start issues, hesitations, vapor . Yes! Joe, where did you end up installing the o2 sensor on your setup? I have a 74 bronco, 302, mild cam. GA - As close to the lake as I can afford A powerful, MICRO BlueTooth in dash audio solution! Holley EFI Oxygen Sensor. O2 Hotel Taipei Main Station - KAYAK A replacement clamp on would be an easy change out. Note that this is a different sensor than Holley uses for their Dominator/HP/Terminator/Avenger series. Add to Cart . 92 YJ 4.0, AX-15 5spd, np231, dana 30 front, dana 35 rear. The truck started fine after install, and ran down the road ok. Super helpful and knowledgeable. The Sniper will do that. Top 10 Sniper EFI Installation Tips from Holley's Tom Kise 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. It does not look like anything particularly superior in concept. I am interested in upgrading both engines with Pertronix Ignitor or Ignitor II ignition and the Holley Sniper EFI 2300 and the Howell EFI marine O2 sensor adapter. Installing Holley Sniper EFI on a daunting, odd-fire V-6: Part 1 If the indicator reads "LOW Err" double check the connection to the CTS. Stay up to date with the latest releases, events, promotions and more. You are using an out of date browser. Installing Holley's Sniper EFI Quadrajet System on a 1970 Corvette When it did keep running, the headers all started to smoke. George Place the Sniper EFI throttle body on top of the new flange gasket on the manifold. 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. May 19, 2021. It doesn't even mean that you can't do it. Holley EFI Oxygen Sensor. 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. Use a return fuel line. the motor has the following mods, Aluminum heads, Performer intake, Sniper and MSD ignition module. Price Point: $$, EFI Systems based on Holley's world-class Dominator and HP ECU's. Then dialed back the cranking fuel quite a bit and that seemed to help some, but still having ongoing issues. Because the fuel maps are built on a speed-density (ie, engine RPM versus manifold air pressure) fueling strategy. From there, the idea is that it will self-tune to the requirements of the engine. That would be for individuals that run the OEM exhaust manifold, as well as individuals that run headers. And it is timing that is equally critical to best performance and fuel economy. 5. Racing Use Only Vehicles are vehicles that are used exclusively for competition that are not registered and that may never be used on the street. This requires removing the plug with a breaker bar, and using a 1/2 NPT to 3/8 NPT adapter to mount the Sniper sensor. Sniper EFI Releases new Stealth 4150 Models! May God's grace bless you in the Lord Jesus Christ. 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. Seems to have more low end tq and is much smoother power through out the rpm range. Advanced throttle body injection systems capable of transmission control and more. Then turn the engine off and "lock in" the tune in a non-feedback loop mode, and quickly remove the headers and wash them off to prevent damage and then swap to the manifolds, but that would honestly be a huge PITA.
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