Are you holding your RPMs back with the MSD for some reason? Categories. Welcome to ClassicBroncos! Holley EFI has the solutions you need to get your project up and running better than ever! Are you running the entire system? Follow USCG rules about materials and fittings. We can hear the initial fuel spray into the body, but it appears that its not enough to start the engine while hot. Have you visually verified that all your injectors are spraying? By bypassing the built in pressure regulator in the fuel module(allowing full flow and pressure), using 3/8 hard lines to/from the sniper to meet CG rules( no soft lines on the engine block)using the snipers fuel pressure regulator, This is as close as I can come to safe. I will keep the replacements as spares. Part# 554-155. holley efi. It works great where its at. . I put mine after the collector only because I have a new exhaust and muffler going in and Ill use a weld in bung and placement will be different. I do believe that the Holley EFI ECU's have the capability to be programmed to work in this application, but have not yet found anyone who has tackled this task and been fully successful.If you (or anyone else) does make some progress on this, please reply here and let us know what works. VerticalScope Inc., 111 Peter Street, Suite 600, Toronto, Ontario, M5V 2H1, Canada. New 100 owner, long time cruiserhead - https://forum.ih8mud.com/threads/new-100-owner-long-time-cruiserhead.1300238/. I didn't read all this, but yes, the EFI system can be run without a WBO2 sensor. The truck started fine after install, and ran down the road ok. After discussing it in this thread and talking with Holley's tech support, I decided . I do agree if he can get it tuned prior to fouling he can lock that tune and run in open loop. Given the traditionally poor fuel economy of carbureted marine engines, we feel your pain. Miami, FL. Mike. watch the values in the software for the o2.. once is is done "Heating" and starts to show AFR, wrap the rag round it. Who knows. Initially I was looking for the upgrade to a 4V holley 4175 carb, but this option has peaked my interest. Sniper EFI 4500 Marine. #1. The opposing pistons share a crankpin the way they do in a V-8, but the fact that there are only three cylinders on each bank means that the plugs fire at 90-150-90-150-90-150 intervals. EFI is the wave of the future. In this video Holley's own Tom Kise explains oxygen sensors and where to place an 02 sensor bung in your exhaust. Anything else is going to be a frustrating recipe for for failure. What is your fuel pressure at the carb during crank? I wouldn't say "never", but the last time I asked that specific question I was told it wasn't anywhere on the horizon. And who can blame them? Robust, feature-rich multi-port EFI systems offer easy plug-and-play late-model V8 engine swaps. Staff Writer. 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. All of the wiring begins at the throttle body and connects outward from there. You really want a bigger engine. 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? Seems to LEARN much faster than the Fitech did. It will flood itself out and won't start back, just crank and crank. The fuel pump question is the tough one. Having selecting USCG-approved components, and sourced your O2 sensor adapter, there is but one more challenge--tuning. Price Point: $$, Robust, feature-rich multi-port EFI systems offer easy plug-and-play late-model V8 engine swaps. Find a lower price anywhere and we'll beat it by 5%! $102.95. Why? Price Point: $$$. you don't want to read that loss. I am concerned about the O2 sensor consideration, but in the end isn't the carburetor situation open loop? Wideband Oxygen Sensor Extension Cable. I want to register an account for free right now! 100% identical. 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. Only show this user. I tried holley tech support, no answer and put on hold for hours. They are the only ones got me a holley usb to can cable fast. The wide band O2 sensor is required for initial running and calibration. 5. 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! My tune is coincidentally set at 11.5 desired afr, with the failed side as the leanest bank, but the ecu added 15% fuel anyways. 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. If you have any exhaust leaks between the combustion chamber and 18-24" after the sensor you are going to have problems. Also the progressive link. 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. 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. He had one there that was run on a dyno then the fuel map was set and shipped back. Holley 2300 is their nomenclature for a 2-bbl generic fitment carburetor. Holley sniper issue on newly rebuilt motor, Holley Sniper with Duraspark and timing control. But it is going to be a little tricky. Other countries likely have simmilar approval processes for marine engines. Sensors that are installed in an exhaust must be connected to a properly functioning controller during engine operation 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. Customer Rating: 4.3 out of 5 stars: 4.5 out of 5 stars: Thanks for the heads up. Hopefully this one lasts longer than the original. Holley EFI requires several pressure inputs in order to run an engine. Went with around .525 lift, 270 duration on a 114 LSA and the car was sucking vacuum like a new hoover. I'm about to embark on the same type of project. Posted By : / actual instructions in flowcharting are represented in /; Under :nose exercise before and afternose exercise before and after I installed a holley sniper kit. 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. Add to Cart . Only a few hours on the motor but so far so good. $43 per night (Latest starting price for this hotel). The O2 sensor burned out immediately. 4. He had one there that was run on a dyno then the fuel map was set and shipped back. The Sniper will do that. Is this a good upgrade? But you've found the right one for your Holley Sniper EFI System OR your Terminator X EFI System. 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. Categories. I am just now ready to do the tuning this weekend. I thought the clamp on style mount was a good idea in case the threads got buggered up when a sensor change might occur, and the threads are rusted up by then. Part# 554-155. 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. I had an o2 sensor fail on a pass yesterday, and flatline at 11.5afr. Adam. Comes VERY complete.throttle cable bracket, kickdown bracket, base plate studs & nuts, heat shrink type connectors, and pretty decent instructions as well. The Fora platform includes forum software by XenForo. - You are currently viewing the forums as a GUEST. Apr 13, 2017. with the extension. I will keep the in-line pump for a spare. Using the throttle body's fuel pressure regulator will require a 5/16" fuel return line to the tank. Sponsored Links (REGISTERED USERS DO NOT SEE THIS POST/AD! away. 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. so simple check first, whats the fuel pressure? excessively rich mixtures), Mechanical shock (e.g. Q1. Depending on how fast you want one, there are plenty out there: The Cross ref numbers on the Holley forums and the Net is a Bosch 17025. 2. To take advantage of all the site features, please take a moment to register. If you find that please let us know. dropping a sensor on the ground), Extreme exhaust temperatures (Greater than 930 degC/1700 degF), Unheated sensor in exhaust stream. Thanks guys. The throttle body has a built in fuel pressure regulator set at 58.5 psi. Precisely Adam. Add To Cart. Replaced O2 sensor but continued to have AFR issues running too rich. 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? Held finger over IAC and it ran better, the thing was just wide open all the time and had nothing to suck. Hooker BlackHeart Oxygen Sensor O2 Bung 2.25" Clamp-On Style, Hooker BlackHeart Oxygen Sensor O2 Bung 2.5" Clamp-On Style, Hooker BlackHeart Oxygen Sensor O2 Bung 3.0" Clamp-On Style, Holley Oxygen Sensor O2 Bung Weld-In Style. Sensors: Fitting: Threaded O2 . Supports up to 650hp with Four 100 Lb/Hr Injectors! 10 min read Video. As always, your results may vary and batteries not included. Greatest struggle is the shift interrupt. 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. CUSTOM ART FOR CUSTOM NEEDS. It's fast, simple and absolutely free. Now the lower cost Holley Sniper advertised for March 31 2016. *Free Shipping & Handling only offered to the contiguous US on orders over $100, excludes clearance parts and oversized packages. I have about 30 hrs on the unit and it just keeps getting smoother with every hr of run time. 10 min read. We also use content and scripts from third parties that may use tracking technologies. However, there's a good chance you will want to add a wideband O2 sensor at some point, in order to give the MegaSquirt more tuning information. If I am reading your post correctly you are using two separate o2 sensors when using headers ? Restore or update your Holley Sniper EFI System with this WBO2 Sensor 17025 Bosch 554-155 Holley. Do you recommend in-tank or external fuel pump? 5. Yellow Cold! 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. All of the wiring exits below the rear fuel injector cover, for a completely stealth installation. When you purchase through links on our site, we may earn an affiliate commission, which supports our community. the engine not running. 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. My tune is coincidentally set at 11.5 desired afr, with the failed side as the leanest bank, but the ecu added 15% fuel anyways. I took my time soldered every wire connection and routed all the wires carefully to avoid any emt issues. 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. Was in marine engineering for years. Anti-Seize pre-applied to sensor threads. Thanks for that, Danny. Increasing efficiency is always a good idea. Car runs perfect . Some parts are not legal for use in California or other states with similar regulations. Welcome to Club Cobra! 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. Next, the new unit was installed onto the manifold. 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. One of the most common causes of poor idle is improper O2 sensor placement or trying to run closed loop at idle . I have not gone back in to try to fine tune them. Replacement Bosch Wideband Oxygen sensor for Sniper EFI and Terminator X systems. By Joshua C on August 10, 2021 | Verified Owner, Worked right out of the box. So I bought the progressive linkage but you then have . Capability Range: Advanced The ones in the Bosch box come without warranty. You have to angle it to help the throttle cable get around the booster. My question is concerning what happens a year later, when I have a top-end swap . Have to replace head gasket. p.s. I know from some of the other posts, there have been WBO2 sensor issues. The clamp-on that came with mine wasnt a good fit on my 2" pipe. About your only location is in that short area from the log to the port face. To close this one out, below is a photo of where I installed the O2 bung. Because the fuel maps are built on a speed-density (ie, engine RPM versus manifold air pressure) fueling strategy. Anyone ever converted a 1987 3.7L 4cyl Mercruiser engine to EFI. The basic kit comes with the TBI unit, touchscreen controller, water temperature sensor, a wideband oxygen sensor, and all the necessary wiring. Stay up to date with the latest releases, events, promotions and more. Holley Sniper EFI Wideband Oxygen Sensor. 1985 fj60 (sold back to Toyota), 1997 fzj80, 1971 fj40 with 75 2F. 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. Purely coincidence about the '2300' number. 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. You are using an out of date browser. a leading manufacturer of aftermarket Wideband O2 sensor kits, the following may damage or destroy oxygen sensors: . test the sensor.. for a basic pass/fail of the sensor. Affiliate. 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. The fuel lines and fittings are 3/8s with 8AN fittings and everything on the 60 requires 5/16 fuel line with 6AN fittings) Holley Sniper EFI 550-849 Holley Sniper EFI 2300 Self-Tuning Kit - Shiny Finish. PS, Once someone has a good 270/350 tune, everyone can use it. . GA - As close to the lake as I can afford A powerful, MICRO BlueTooth in dash audio solution! An adapter harness is available to connect this distributor directly to the Sniper EFI throttle body. No matter what I do, it will not start. This product works with Holley EFI wideband oxygen sensors, part numbers 554-100 and 554-101. non biased Shelby Cobra related site! Everyone raving about customer service is telling the truth! 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. Similarly, no multi-point fuel injection (MPFI) systems existed that were USCG approved. Search for the cheapest hotel deal for O2 Hotel Taipei Main Station in Taipei City. Any word on this? Late to the party but here's where mine are installed. Tech Resources. It is possible for the ECU to have an internal failure that can kill O2 sensors. Sent unit back to Holley. The light shines in the darkness, and the darkness has not overcome it. Parts List: 1) Holley Sniper 2300 EFI Kit (Do not buy the kit with fuel lines and pump etc. replaced my original terminator x sensor that was mounted in an exhaust that took on some water and killed the original sensor. When problem-solving this type of issue, consider when and how you could use a work-around. pull the sensor out of the exhaust. . Ordered another dominator Bosch from Holley and it matches perfect. Holley EFI Oxygen Sensor. 2014 FJ Cruiser - White - 4X4 - Loaded - . The right side o2 was obviously reporting a fat 10.3 afr as a result, but the car still went 139mph, LOL. Also some tips on preventing O2 sensor damage There was a 1.5 point difference in afr between banks. Once the tune is complete, the O2 sensor can be defeated or . All sensors are tested to ensure they accurately report critical engine data to the . 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'm looking for some more practical and scenario-specific advice; that's one small piece of it. Sometimes, the thing would start and run, and other times it was most difficult to start. Free ground shipping regardless of order size! I am happy with Holleys no hassle replacement of the parts. These types of adjustable on-delay timer relays are on sites like Amazon for less than $10 up to $15. If you have long tube headers, mount the sensor approximately 6-10" after the collector. 2023 HOLLEY PERFORMANCE PRODUCTS, INC. ALL RIGHTS RESERVED. Did you use the Holley fuel pump and have you had any issues with it? It will not fit on round or oval risers without a suitable flat area. Price Point: $, Advanced throttle body injection systems capable of transmission control and more. 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. With over the transoms you might get away with it if the water is introduced at the very very end, and the O2 is mounted right at the log. 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. 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. 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. Bolt on 4150 Flange Carburetor Replacement. If you call, they usually let you put in your name and they get back to you. Systems that were already designed for marine efi. Are you running the latest software? Price Point: $$, EFI Systems based on Holley's world-class Dominator and HP ECU's. Sorry for the late reply. In order to do this, it heavily relies on proper O2 sensor placement. All times are GMT-6. 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. 92 YJ 4.0, AX-15 5spd, np231, dana 30 front, dana 35 rear. This requires a considerable additional investment but as long as you're doing things you're not going to do them half-way, right? Replacement Sniper and Terminator X O2 Sensor, This part is legal for sale or use on Racing Use Only Vehicles. Note, that is not a crack in the exhaust manifold, just a shadow from a casting flaw. CTS (Coolant Temperature Sensor) - Reads engine temperature. On EFI systems such as Holley's Sniper, all of the EFI sensors (except for the O2 and coolant temperature sender) are mounted snuggly in the throttle body. I installed it without O2 sensor, adjust on the fly. 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. I just discovered that was the case with my Fitech. Enter The 2023 LS Fest West Trip Sweepstakes Today And Join Us In Las Vegas! 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)? Sniper EFI 2300 Marine. The Sniper EFI master kit contains the most complete EFI fuel system on the market. To my knowledge, there is no aftermarket EFI fuel system suited to fuel the Sniper EFI system that exists on the market. If this could be disabled it would be much better. EFI EFI kit electronic fuel injection. You will need an O2 sensor to measure fuel needs, but it could be tuned manually like in the old days. The Sniper EFI throttle-body drops in place of your . Most water jacketed header manufacturers (Lightning, CMI, etc) will install 02 bungs in their headers for extra money. Thanks for the feedback on this adapter, Donald. 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. In the end I ended up using a Fuel Control cell made by Pleasure Craft Marine for their 351W engines. No one cares about your buddies old antiquated garden hose technology. Previously, none of Holley's throttle body injection (TBI) systems, such as the Terminator EFI were USCG approved (even though the HP and Dominaor ECU's themselves are.) 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. If you let it cool down again, does it start up fine? Register now for free!) What Is Pinion Offset, And How Does That Affect You? When buying the Holley Sniper EFI kit, you've got two basic options. I'm 3" down from the bottom of the flange to center of bung. It's a compact HP pump and cooler assembly. 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. For now I have a genuine bosch O2 and Standard Automotive TPS installed. 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. There can be leftover debris from manufacturing that have been washed down and are now clogging one. holley efi. As I have since added above, the Sniper simply isn't going to be the system to use to tackle this problem. To those who have installed the Sniper EFI units, please post up some photos of where you tapped the exhaust line to install the Oxygen Sensor's weld bung. 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. 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. Air-Fuel Ratio (AFR) - The most common reference term used for mixtures in internal combustion engines. Search for O2 Hotel Taipei Main Station discounts in Taipei City with KAYAK. The first option is to just buy the injector body and the controller with the wiring harness and sensors. Never tried it myself or know anyone fwho has, but Little kids play hooky . big kids play. However, overcoming that whole idle/off-idle transition (mentioned above) is going to be the challenge. 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. Holley sent him a new one for free. Emissions. Sort. Copyright 2022 Holley Performance Products, Inc. All right reserved. There are five significant plug connections to make from the throttle body: Plug into the oxygen sensor. I will let you know what happens. Part# 550-511. (REGISTERED USERS DO NOT SEE THIS POST/AD! Super helpful and knowledgeable. It does not work with the Sniper EFI oxygen sensor. 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. You must log in or register to reply here. I installed a holley sniper kit. Part Number: 510-554-155. If a cruiser with enclosed engine compartment, not a lot you can do to eliminate water or at least water vapor in the exhaust. 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. 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. (Assuming it actually releases in November and there are enough units for me to purchase and receive one in December). Sep 14, 2021. 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. Good luck to all. This combines the Sniper EFI Self Learning Throttle Body, with an easy to install In-Tank Retrofit Returnless Module, 20 ft of Earl's Vapor Guard Fuel Hose, and the required fittings. Brass adaptor designed to install heated oxygen sensor in water-cooled marine exhaust risers. Look at the bottom.. I installed one also on mercruiser 260 hp. Price Point: $$, Robust, feature-rich multi-port EFI systems offer easy plug-and-play late-model V8 engine swaps. I have also picked up another .5 gallons per hr to about 9.25 gph. When I went to Holley HP, I found an adapter by Innovate that is designed to draw air out the exhaust stream and away to the O2 sensor. The latest is the new Holley Sniper EFI touted as a true bolt-on self-learning carb replacement. 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. A replacement clamp on would be an easy change out. Sorry for the late reply, Douglas. It is the ratio between the mass of air and the mass of fuel in the air-fuel mix at any given moment. #1. Removed all the unused wires from harness and wrapped all the remaining wires and harness with rfi shielding tape. Taipei has dozens of world-class restaurants where gourmets can sample the most authentic Chinese cuisines. Copyright 2017 Cyberspace Automotive Performance, Inc. All Rights Reserved. Holley Sniper EFI Oxygen Sensors 554-155 So much it could be. Phil said water would still get up over the snail and knock out the sensor. This doesn't mean it can't be done. I am in the middle of a repower of twin BBC 481, mild cam which will need to be recarbureted. I would back-burner the ignition control questions until you get the fuel injection working. This page was generated at 08:35 AM. I recommend popping for the Master . Specs. Without Headers Steamers location (above) is perfect, up close to the engine where you have not lost much heat. Its the Holley Pro Jection TBI mentioned by the above poster. On my system, I machined in the O2 sensor right between the snail and the manifold of a . When either of these operating temperature ranges is exceeded, the sensor can no longer be . Capability Range: Advanced I have twin 502 factory fuel injected Mercs and want to go to adaptive EFI. Aug 17, 2013. I really dont want any issues on the whitewater lol I thought about adding some sort of extra protection but never did. I had the pink ecu signal wire connected to a bullet connector on the passenger side . 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. So please, If you have problems registering or can't log into your account, please. 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.
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