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Got a picture? Homemade body parts replace the originals as they rot away but it's a 40 on the inside. . Great Article. - You are currently viewing the forums as a GUEST. In order for it to work as designed the O2 sensor has to be installed in a dry exhaust system and needs to be placed 1-10in from the collector in the headers. I will be calling around to see if I can find someone to help that has experience. Is this a viable upgrade for my boat? Not always the case with a boat. Also, with Headers you loose 600 to 700 degrees between Head and bottom collector, you don't want to read that loss. The wiring was a bit of a mess. Restore | Make | Philosophize | Eat | Drink | Be Happy | Let's Go Brandon! 10 min read Video. 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? He had one there that was run on a dyno then the fuel map was set and shipped back. Advanced throttle body injection systems capable of transmission control and more. Holley Sniper Installation Supplement Please note, a Holley Sniper instruction manual, as well as some small parts that come with the . This doesn't apply to race boats. 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. Yes, this is an old thread, but it's an old unit. 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. Taipei has dozens of world-class restaurants where gourmets can sample the most authentic Chinese cuisines. My hand is holding the connector to the sensor. But you still risk a little water running back at low Rs. 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. EFI EFI kit electronic fuel injection. WARNING: It is against the law to install this part on an Emissions Controlled Vehicle, By Corey A on June 4, 2021 | Verified Owner. O2 Sensor Mounting: The O2 needs to be mounted 6-8" after the merge in the header collector. 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 will keep the in-line pump for a spare. Aftermarket headers are pretty much the only safe way to run an O2 sensor. Holley has a pump almost identical in size to the OEM pump and it's not difficult to change. Mike. #1. Without Headers Steamers location (above) is perfect, up close to the engine where you have not lost much heat. Anyone have a good place to find a genuine Bosch O2 replacement sensor without paying $110? Bosch 17025 Oxygen Sensor #1 Best Seller . Top 10 Holley Sniper EFI Tech Tips Holley Technical Training Manager Tom Kise's top ten "suggestions" for Holley Sniper EFI System installation issues. A forum community dedicated to performance boat owners and enthusiasts. Add to Cart . I think installing a wide band O2 sensor in the manifold(s) is a great idea. It doesn't even mean that you can't do it. Installed the sniper/MSD combo on my mildly built 460 KEM. Even though you now have the USCG-approved Sniper EFI System as an option for your new EFI System you're not quite out of the woods yet. Replaced O2 sensor but continued to have AFR issues running too rich. 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. replaced my original terminator x sensor that was mounted in an exhaust that took on some water and killed the original sensor. This fixed the high throttle position sensor reading (TPS) of above 1% that likely caused my idle issues. The spark must be manually tuned. The original Holley Sniper instructions are available on the Holley website if you have misplaced them. 1985 fj60 (sold back to Toyota), 1997 fzj80, 1971 fj40 with 75 2F. Ive got a set of bassett headers for a BBC, ill see if they can fit under the transom. The Sniper EFI throttle-body drops in place of your . Good luck! Removed all the unused wires from harness and wrapped all the remaining wires and harness with rfi shielding tape. 10 min read. Price Point: $$$. If this is a first time effort, find a tuner in your area with marine experience. Only a few hours on the motor but so far so good. Oops, after that it cranked right up.Idle was set to 950rpm so after the vid was cut off I lowered it to 820rpm and it was purring like a kitten.EFI for dummies. I purchased the Holley HP MPFI system and went to the lake with it. May 1, 2018 They want you to angle it to keep it from fouling. GA - As close to the lake as I can afford A powerful, MICRO BlueTooth in dash audio solution! Everything is included to completely plumb your fuel system including; 20 feet of 3/8" EFI Hose, in-line fuel pump, post and pre fuel filters, return bulkhead, and all of the necessary fittings and hardware. The World's largest Currently has 2 bbl carburetor and mechanical distributor, mechanical fuel pump for 165hp. Looking for some advice pertaining to Holley Sniper and Tire Size upgrades. If the indicator reads "LOW Err" double check the connection to the CTS. Holley's self learning system is a blessing and a curse. I'm 3" down from the bottom of the flange to center of bung. But you have to get it tuned. Well an update on the Sniper install. Depending on how fast you want one, there are plenty out there: The Cross ref numbers on the Holley forums and the Net is a Bosch 17025. Holley EFI. If you let it cool down again, does it start up fine? Has anyone run an O2 sensor in an EFI on a marine engine? Thanks for the heads up. Found out that it was due to rfi/emi. the motor has the following mods, Aluminum heads, Performer intake, Sniper and MSD ignition module. The Tech Tips and discussions are also great! Thanks for the feedback on this adapter, Donald. Price Point: $$, EFI Systems based on Holley's world-class Dominator and HP ECU's. Warranty Information. 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. I had the pink ecu signal wire connected to a bullet connector on the passenger side . It will flood itself out and won't start back, just crank and crank. Anyone ever converted a 1987 3.7L 4cyl Mercruiser engine to EFI. Put an end to cold start issues, hesitations, vapor . The bottom line is that trying to run EFI on a marine engine is not something you can do as an afterthought. Innovate Motorsports HBX-1 Bung Extender. Part# 554-155. 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? $5 Off Your $100 Mobile App Purchase . It is possible for the ECU to have an internal failure that can kill O2 sensors. We also use content and scripts from third parties that may use tracking technologies. As I have since added above, the Sniper simply isn't going to be the system to use to tackle this problem. 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. Then if that doesn't work call the tech line they are great! 29. Q2. Tune the delay relay timing to just miss the prime shot.For cold starts, a simple push-button or switch "choke" override to power the relay during prime would provide it. The Sniper EFI master kit contains the most complete EFI fuel system on the market. I have searched thru the forum as much as I can, with not much luck. Yellow Cold! By Joshua C on August 10, 2021 | Verified Owner, Worked right out of the box. Holley Sniper EFI Self-Tuning Kit - Black Ceramic Finish. 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. Follow USCG rules about materials and fittings. 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. $108.95. I hope that the next F/2F header is more O2 sensor friendly. Holley EFI has the solutions you need to get your project up and running better than ever! Runs like a champ now. 2014 FJ Cruiser - White - 4X4 - Loaded - . Do you recommend in-tank or external fuel pump? In order to do this, it heavily relies on proper O2 sensor placement. 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. Classifieds - Engine/Transmission/Transfer Case, BJ42 | FJ43 | BJ44 | FJ45 | FJ45LV | HJ47, North American Clubhouses - Central Region, CA.AB- Rocky Mountain Land Cruiser Association, CO/WY- Horsetooth 4 Wheelers Cruiser Club, TX- Lone Star Land Cruisers - Austin Chapter, TX- The White Trash of the Elwood Chapter, CA.BC- Okanagan-Similkameen Land Cruisers, NV- Battle Born Cruisers of Northern Nevada, Vendors: Accessories - Electronics - Recovery. For now I have a genuine bosch O2 and Standard Automotive TPS installed. The basic kit comes with the TBI unit, touchscreen controller, water temperature sensor, a wideband oxygen sensor, and all the necessary wiring. I myself will convert my 2 302's (Volvo Penta 5.0 l AQ231A) from carbs to EFI; I must find out everything before I start work on the engines, then I am satisfied to start. Still needs a EFI pump and return line. Sniper EFI 2300 Marine. 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 not yet got it figured out. (REGISTERED USERS DO NOT SEE THIS POST/AD! Bolt-on carburetor style EFI for your classic car or truck. VerticalScope Inc., 111 Peter Street, Suite 600, Toronto, Ontario, M5V 2H1, Canada. . I am happy with Holleys no hassle replacement of the parts. Having selecting USCG-approved components, and sourced your O2 sensor adapter, there is but one more challenge--tuning. Running? I don't have enough experience with marine applications to know exactly what it will take to solve this. . The engine RPM when closed loop o2 will begin. Part# 534-199. May God's grace bless you in the Lord Jesus Christ. 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. Air-Fuel Ratio (AFR) - The most common reference term used for mixtures in internal combustion engines. However, overcoming that whole idle/off-idle transition (mentioned above) is going to be the challenge. 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. Brass adaptor designed to install heated oxygen sensor in water-cooled marine exhaust risers. blue doberman puppies. 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. $43 per night (Latest starting price for this hotel). What I don't want to do is spend more money on the headers than on the fuel injection upgrade and new propeller set. For a better experience, please enable JavaScript in your browser before proceeding. Idle and off-idle performance (particularly as the engine goes into gear.) I am a competent mechanic and I have checked all the usual suspect items. I am a competent mechanic and I have checked all the usual suspect items. functioning controller during engine operation. :-), I started using OMC and Volvo Penta pumps for my conversion. Oxygen Sensor is sold separately.Adaptor should be installed in a flat area of riser at least 6 before water blends with exhaust. Search for the cheapest hotel deal for O2 Hotel Taipei Main Station in Taipei City. The plan is to 'learn' a fuel\Timing curve with a closed loop. Staff Writer. 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 hose, clamps, and chamfering bit.In the settings I chose closed loop disabled (set to open loop) and also set learn mode to disabled. You have to angle it to help the throttle cable get around the booster. While the Sniper has an absolutely outstanding internal ECU, the current model does not offer any laptop programmability. The Sniper EFI throttle-body drops in place of your . $132.95. You really want a bigger engine. And the relay and fuse were mounted along the firewall. You will still get some water on the engine side of the snails, mainly at low Rs. Add to Cart . Part # HM206. To close this one out, below is a photo of where I installed the O2 bung. I had an o2 sensor fail on a pass yesterday, and flatline at 11.5afr. It does this every time..when you start a warmed up engine, its too rich and starts poorly without throttle. 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. Full product line and accessories at excellent pricing. p.s. Boats don't cruise at 60mph up and down hills. It's a compact HP pump and cooler assembly. The O2 sensor burned out immediately. This is the 02 sensor adapter I used. The fuel module is self contained with water jacket cooling and contains the low and high pressure pumps. Free ground shipping regardless of order size! George Place the Sniper EFI throttle body on top of the new flange gasket on the manifold. To simplify . "Old Yeller" gets Holley EFI Sniper O2 Sensor Installedhttps://www.holley.com/products/fuel_systems/fuel_injection/sniper_efi/sniper_efi_stealth_4150/sniper_. I was thinking aluminum heads would run it up closer to 5,000 rpm. I was mocking it up at the time. -- I particularly like the Daytona Sensors Approach to the Ignition Curve.- Are you pursuing Coast Guard Certification for the Sniper_EFi? From time to time we receive phone calls from individuals who are interested in converting their carbureted boat motor to fuel injection. 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. Because the fuel maps are built on a speed-density (ie, engine RPM versus manifold air pressure) fueling strategy. 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. Add to Cart . 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. 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. Add to Cart . . ), 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. YES! 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. If you've done some automotive fuel map tuning before, you can likely overcome this challenge. Mine is right where Steamers is, and works well with my AFI TBI. No prime, but a second later it's ready to crank 'normally'. This completes the basic installation of the Holley Sniper EFI 4150 Super Sniper 1250/650 kit. Stay up to date with the latest releases, events, promotions and more. My spare "Bosch O2 Sensor" came from eBay & was half the price of anywhere else I found. I want to register an account for free right now! This really applies to any O2 sensor regardless of EFI system. The first thing to consider here (if you are in the USA) is US Coast Guard (USCG) Safety Approval. 2. Followed all the instructions to the letter. On my system, I machined in the O2 sensor right between the snail and the manifold of a . Note that this is a different sensor than Holley uses for their Dominator/HP/Terminator/Avenger series. looking at doing the same. Could show a lean condition when in fact it really isn't. Ideally I'd want the power plant running as efficiently as possible, but I'd sure like the benefit of EFI over carb. I mounted it here attempting to protect it from the deep water I play in and from lots of branches I encounter. When buying the Holley Sniper EFI kit, you've got two basic options. I installed a holley sniper kit. Followed all the instructions to the letter. Everyone else was backordered several months. When it did keep running, the headers all started to smoke. 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. (probably with the edelbrock marine 2506 intake). I'll let you know how it works out. Systems that were already designed for marine efi. Categories. Sorry for the late reply, Douglas. I want to remove the old fuel injected Mercruiser factory EFI on both engines because they have begun to be troublesome. Is Holley working on a complete marine package or planning to in the future? 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. From there, the idea is that it will self-tune to the requirements of the engine. 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. We use cookies to enhance your experience while using our website. (Image/Wayne Scraba) The throttle body is a bolt-on replacement for a carburetor. Categories. Affiliate. While those work great on an automobile, you likely won't begin to get these marine installations setup with a handheld. When either of these operating temperature ranges is exceeded, the sensor can no longer be . For complete information about the cookies we use, data we collect and how we process them, please check our, actual instructions in flowcharting are represented in, Why Is Dave Blankenship Not On Oak Island Season 8, rhode island groundwater classification map. Bolt-on carburetor style EFI for your classic car or truck. Seems to LEARN much faster than the Fitech did. EFI System Pro had everything I needed for my EFI upgrade. New 100 owner, long time cruiserhead - https://forum.ih8mud.com/threads/new-100-owner-long-time-cruiserhead.1300238/. I'm using the NTK sensor. Miami, FL. If I am reading your post correctly you are using two separate o2 sensors when using headers ? It's fast, simple and absolutely free. Sponsored Links (REGISTERED USERS DO NOT SEE THIS POST/AD! And who can blame them? 29. Those "flames" are still consuming O2 that would otherwise not be read by a sensor in the correct location. Copyright 2017 Cyberspace Automotive Performance, Inc. All Rights Reserved. I'm looking for some more practical and scenario-specific advice; that's one small piece of it. It flows 850 cfm and can support up to 650 horsepower. Incense-veiled temples with exquisite carvings and paintings dating back to dynastic times blend seamlessly in streets of the modern city. I have a boat with twin 3.7 Mercruisers. Visit their website for more details. Holley Sniper O2 sensor replacement. This requires a considerable additional investment but as long as you're doing things you're not going to do them half-way, right? This is great information that can only get you closer to an ideal solution. Howell indicates that this adapter was designed for the Chevy type Mercruiser manifold but that it should work on any similar marine wet manifold. All times are GMT-6. When problem-solving this type of issue, consider when and how you could use a work-around. 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 . Holley EFI Usb/Can Harness, Sniper Tbi. Did you use the Holley fuel pump and have you had any issues with it? The very basic fuel and spark tables are the limiting aspect, Holley does offer advanced software for more precise tuning. Fuel economy went from 12.5 to 13.5 gph to 10 gph. 2023 HOLLEY PERFORMANCE PRODUCTS, INC. ALL RIGHTS RESERVED. Menu. The latest is the new Holley Sniper EFI touted as a true bolt-on self-learning carb replacement. Add To Cart. It will not fit on round or oval risers without a suitable flat area. I have searched thru the forum as much as I can, with not much luck. 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. The truck started fine after install, and ran down the road ok. Sniper EFI Quadrajet Marine. I recommend popping for the Master . I have twin 502 factory fuel injected Mercs and want to go to adaptive EFI. I recognize that it would be an absolutely tremendous investment, but based on the overwhelming response we get to this post I am pretty confident that the market is there. In Stock. Replacement Bosch Wideband Oxygen sensor for Sniper EFI and Terminator X systems. Are you running the latest software? Replaced and gapped to .45 all spark plugs. 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? 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. Next, the new unit was installed onto the manifold. Sort. There can be leftover debris from manufacturing that have been washed down and are now clogging one. The basic kit comes with the TBI unit, touchscreen controller, water temperature sensor, a wideband oxygen sensor, and all the necessary wiring. Capability Range: Moderate I took my time soldered every wire connection and routed all the wires carefully to avoid any emt issues. Conditions when closed loop o2 should be turned off. 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. After discussing it in this thread and talking with Holley's tech support, I decided . Holley 554-100 NTK Wideband Oxygen Sensor. You are using an out of date browser. Once the tune is complete, the O2 sensor can be defeated or . (Assuming it actually releases in November and there are enough units for me to purchase and receive one in December). 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. All of the wiring begins at the throttle body and connects outward from there. 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. Held finger over IAC and it ran better, the thing was just wide open all the time and had nothing to suck. Aug 17, 2013. #1. 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. Service Oxygen Sensor for Sniper EFI Systems, Service Oxygen Sensor for Terminator X Systems. 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. 92 YJ 4.0, AX-15 5spd, np231, dana 30 front, dana 35 rear. As far as packaging goes, one comes in a Bosch box, the other in a Holley package. JavaScript is disabled. I will keep the replacements as spares. For a better experience, please enable JavaScript in your browser before proceeding. It may not display this or other websites correctly. so far so good love the smooth power and easy starts. Essentially, when I push the clutch in and ease on the brakes to coast up to a stop light, the AFR goes lean (18:1 or so) and the engine stalls. MAP Sensors. PRO's: Wideband O2 sensor harness is longer, allowing easier connection and routing. But it is going to be a little tricky. But this also makes me wonder what you did for the O2 sensor. He had one there that was run on a dyno then the fuel map was set and shipped back. Maybe this one has a shorter cable? The O2 sensor burned out immediately. 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 throttle body has a built in fuel pressure regulator set at 58.5 psi. There is no problem getting this tuned and then running open loop. Then they had it repaired and back to me in 5 business days. 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. Sorry for the late reply. It works fine. Advanced throttle body injection systems capable of transmission control and more. O2 sensors are water proof. A third option would be to run your EFI system without an O2 sensor at all. There was a 1.5 point difference in afr between banks. I would back-burner the ignition control questions until you get the fuel injection working. 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. So please, If you have problems registering or can't log into your account, please. Holley Sniper - Oxygen Sensor Location Thread starter GA Architect; . Holley EFI has the solutions you need to get your project up and running better than ever! Specs. Now the lower cost Holley Sniper advertised for March 31 2016. EFI Systems based on Holley's world-class Dominator and HP ECU's. Thanks guys. The truck started fine after install, and ran down the road ok. RPM going up and down , miss firing and backfiring. The Ford 2300 engine uses a Holley carburetor, but it is in fact a licensed copy of a 32/36 Weber. Capability Range: Advanced 4. watch the values in the software for the o2.. once is is done "Heating" and starts to show AFR, wrap the rag round it. I have a 74 bronco, 302, mild cam. Without Headers Steamers location (above) is perfect, up close to the engine where you . . Sent unit back to Holley. : For registered members this ad will NOT show. . (If I am incorrect I heartily invite your comment at the bottom of this article!) Any word on this? For the most part, the small harness is plug-and-play.