running holley sniper without o2 sensor

My bet based on longer pump run, to make pressure, you have a leaking injector. Holley's self learning system is a blessing and a curse. Spray a rag down pretty good with brake cleaner. It doesn't even mean that you can't do it. Super helpful and knowledgeable. Brass adaptor designed to install heated oxygen sensor in water-cooled marine exhaust risers. 2014 FJ Cruiser - White - 4X4 - Loaded - . Part# 534-199. Robust, feature-rich multi-port EFI systems offer easy plug-and-play late-model V8 engine swaps. RPM going up and down , miss firing and backfiring. I have also installed a sniper system on a 350 Mercruiser and was wondering if you have done any tuning on yours yet? It should be pretty straight forward what each of these values do. I have searched thru the forum as much as I can, with not much luck. I have not gone back in to try to fine tune them. 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. Add To Cart. I think I could run more boost but it's a real hand full right now. I installed one also on mercruiser 260 hp. Fortunately, it turns out there are some options. So please, If you have problems registering or can't log into your account, please. The right side o2 was obviously reporting a fat 10.3 afr as a result, but the car still went 139mph, LOL. May 1, 2018 They want you to angle it to keep it from fouling. I purchased the Holley HP MPFI system and went to the lake with it. In the case of the car, you can generally get out and walk (run?) 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. My boat is still in winter storage. 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. Sniper EFI Releases new Stealth 4150 Models! The light shines in the darkness, and the darkness has not overcome it. Search for the cheapest hotel deal for O2 Hotel Taipei Main Station in Taipei City. As I have since added above, the Sniper simply isn't going to be the system to use to tackle this problem. I'm 3" down from the bottom of the flange to center of bung. The problem is with the Holley computer when you turn on the keyit squirts a prime for a split second. The O2 sensor burned out immediately. But this also makes me wonder what you did for the O2 sensor. The adapter will be fastened in both metal parts so that no water will reach the O2 sensor. 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. running holley sniper without o2 sensorplymouth township mi police scanner. Replacement Sniper and Terminator X O2 Sensor. Add to Cart . Tips on how to measure the correct location and other considerations when welding in an O2 sensor bung. It does not work with the Sniper EFI oxygen sensor. Wideband Oxygen Sensor Extension Cable. Thinking about this I think this will work very fine! watch the values in the software for the o2.. once is is done "Heating" and starts to show AFR, wrap the rag round it. He also explains how to properly install them. Who knows. I have a local customer with a pair of big blocks in his offshore boat that is eager to get started on this. 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. pull the sensor out of the exhaust. Sniper EFI 2300 Marine. There is no problem getting this tuned and then running open loop. There are five significant plug connections to make from the throttle body: Plug into the oxygen sensor. Doesn't look like it will have an O2 sensor. Free Shipping - Holley Sniper EFI Oxygen Sensors with qualifying orders of $99. See Details. The original Holley Sniper instructions are available on the Holley website if you have misplaced them. Held finger over IAC and it ran better, the thing was just wide open all the time and had nothing to suck. I'm about to embark on the same type of project. If this is a first time effort, find a tuner in your area with marine experience. 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. (Assuming it actually releases in November and there are enough units for me to purchase and receive one in December). And who can blame them? I have installed the Holley hp efi MPFI on my twin inboard mercruiser 350ci 270 hp. Will I be able to run both systems off of one fuel pump? The target A/F value based on load or MAF cfm, and engine speed. Holley Sniper EFI Oxygen Sensors 554-155 Part# 50-5009QFT. Find a lower price anywhere and we'll beat it by 5%! Visit their website for more details. Vega$69. Then if that doesn't work call the tech line they are great! Part# 554-155. This completes the basic installation of the Holley Sniper EFI 4150 Super Sniper 1250/650 kit. 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. 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. The Holley Sniper system sells for $999.95, installs in under 2 hours, and requires only an O2 sensor, a temp sensor (both included), an electric return-style fuel pump, and four-wires to connect.. Quote Reply Topic: Holley Sniper Posted: Jan/05/2022 at 2:01pm . My question is concerning what happens a year later, when I have a top-end swap . Replacement Bosch Wideband Oxygen sensor for Sniper EFI and Terminator X systems. It's a compact HP pump and cooler assembly. I installed a holley sniper kit. The spark must be manually tuned. so far so good love the smooth power and easy starts. the motor has the following mods, Aluminum heads, Performer intake, Sniper and MSD ignition module. Miami, FL. Yes! Everyone raving about customer service is telling the truth! 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. When the Sniper EFI System received USCG approval at the end of 2018 this presented some hope for boat owners. It is possible for the ECU to have an internal failure that can kill O2 sensors. 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. Will I be able to control my ignition timing with the Sniper? I upgraded from terminator x Maxx to dominator.. bought a 2nd o2 sensor kit with Bosch sensor and used an off the shelf Bosch I had been using with terminator. Could show a lean condition when in fact it really isn't. Taking a look at the holley manual I am thinking about drilling and tapping the front exhaust port on the log for the O2 sensor. This doesn't mean it can't be done. The very basic fuel and spark tables are the limiting aspect, Holley does offer advanced software for more precise tuning. I have a 74 bronco, 302, mild cam. Replaced and gapped to .45 all spark plugs. I installed a holley sniper kit. VerticalScope Inc., 111 Peter Street, Suite 600, Toronto, Ontario, M5V 2H1, Canada. It turns out that this is a common problem with the Sniper EFI install on vehicles with a manual transmission. As far as packaging goes, one comes in a Bosch box, the other in a Holley package. Maybe this one has a shorter cable? Please consult the Holley Sniper full manual and use this guide for supplemental clarification. AFR was 19 area. A replacement clamp on would be an easy change out. Hopefully this one lasts longer than the original. As far as warranty goes, Holley products are covered by a 90-day warranty against defect in material or workmanship. *Free Shipping & Handling only offered to the contiguous US on orders over $100, excludes clearance parts and oversized packages. You will need an O2 sensor to measure fuel needs, but it could be tuned manually like in the old days. 02 sensors are very heat sensitive, and can detect an exhaust pulsation in a single Header tube, that's why we always wanted to position the sensor into at least 2 opposite firing tubes we running Headers. To simplify . FWIW, I called Holley to confirm the part number and they say the Bosch part number if 17212 (also available on Amazon for $64.78). Otherwise I have to check for a place in my gasoline tank to put the lines in. Price Point: $$, EFI Systems based on Holley's world-class Dominator and HP ECU's. Jun 7, 2021. If you are using our Services via a browser you can restrict, block or remove cookies through your web browser settings. New 100 owner, long time cruiserhead - https://forum.ih8mud.com/threads/new-100-owner-long-time-cruiserhead.1300238/. For this you need a system that can be fully programmed to the extent of the Holley ECU's capability. Other than the constraints provided in the article above I see no reason why this wouldn't be a great upgrade. EFI Systems based on Holley's world-class Dominator and HP ECU's. Is Holley working on a complete marine package or planning to in the future? Your talking flames at that point, and it will definitely have an effect on the reading. But it is going to be a little tricky. For a better experience, please enable JavaScript in your browser before proceeding. Part # 554-155. But you've found the right one for your Holley Sniper EFI System OR your Terminator X EFI System. EFI EFI kit electronic fuel injection. I will let you know what happens. . From there, the idea is that it will self-tune to the requirements of the engine. 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. One of the benefits of using any Holley EFI system is that it self learns and tunes on its own. 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. They have mods that help. 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. http://s621.photobucket.com/albums/tt291/Mark11530/?action=view¤t=MAH05771.mp4, http://www.holley.com/data/Products/Technical/199R10226.pdf. Holley Sniper Installation Supplement Please note, a Holley Sniper instruction manual, as well as some small parts that come with the . Incense-veiled temples with exquisite carvings and paintings dating back to dynastic times blend seamlessly in streets of the modern city. The Sniper EFI could very well be one of the easiest to set-up fuel injections systems ever. 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. 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 am looking for a TBI with full sensors, mainly atmospheric for Sept and Oct and a Idle Air sensor for warm starts.I welcome your thoughts.Regards, Yes, this is an old thread, but it's an old unit. Mine is right where Steamers is, and works well with my AFI TBI. I would send an Email to Chris at EFIsystempro. *Possible delays due to Covid-19 click for more information. They are the only ones got me a holley usb to can cable fast. That's great--we look forward to your results! 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. 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. If I am reading your post correctly you are using two separate o2 sensors when using headers ? 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. Put an end to cold start issues, hesitations, vapor . The engines are rated at 170 hp each. The Sniper EFI master kit contains the most complete EFI fuel system on the market. Are you holding your RPMs back with the MSD for some reason? 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. away. Oxygen (O2) Sensor - Is an electronic device that measures the proportion of oxygen (O2) in the exhaust gas. Holley recommends a 3/8" fuel supply line. 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. I had the pink ecu signal wire connected to a bullet connector on the passenger side . 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. What I think a lot of folks are missing is correct tuning of their carburetor engines Most inboard systems I worked on were intentionally set up to run rich with minimal timing (mostly to get through the warranty period). Conditions when closed loop o2 should be turned off. $132.95. If a cruiser with enclosed engine compartment, not a lot you can do to eliminate water or at least water vapor in the exhaust. blue doberman puppies. PS, Once someone has a good 270/350 tune, everyone can use it. Advanced throttle body injection systems capable of transmission control and more. An update from Al:After installing them I used the auto tune program on the Holly HP V4 software and they are working great. Hi all, i'm contemplating doing a sniper quadrajet swap onto my volvo penta 5.7 GL 2bbl holley motor in my 1997 cobalt 200 with the DP-S outdrive. I'm guessing by snail, that's another name for the riser? looking at doing the same. The other thing I want to overcome is the fuel return line; my harbor master says that I can connect my fuel return line to my CAV (lucas) gasoline filter, it has 4 connection, now only 2 are used. 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. What Is Pinion Offset, And How Does That Affect You? I would back-burner the ignition control questions until you get the fuel injection working. It will not fit on round or oval risers without a suitable flat area. I had an injector fail after a month of running and called the tech line who helped me figure that out. 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 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. Good luck! I will be calling around to see if I can find someone to help that has experience. After discussing it in this thread and talking with Holley's tech support, I decided . Also some tips on preventing O2 sensor damage test the sensor.. for a basic pass/fail of the sensor. I will keep the in-line pump for a spare. I didn't read all this, but yes, the EFI system can be run without a WBO2 sensor. Staff Writer. Holley Sniper EFI Wideband Oxygen Sensor. I only have a stick welder and didn't trust myself on the thin pipe so I brazed it in. Capability Range: Advanced 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. Enter The 2023 LS Fest West Trip Sweepstakes Today And Join Us In Las Vegas! Parts List: 1) Holley Sniper 2300 EFI Kit (Do not buy the kit with fuel lines and pump etc. Assuming that your current ignition works well with the marine carburetors it will continue to work well with the Sniper EFI System. I've got the Howell EFI adapter installed in the riser of some standard Inboard Manifolds and it works great. Has been since the 80's. Looking for some advice pertaining to Holley Sniper and Tire Size upgrades. 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 concerned about the O2 sensor consideration, but in the end isn't the carburetor situation open loop? What is your fuel pressure at the carb during crank? 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. Jan 20, 2019. I am considering the Daytona Sensors Ignition module. 92 YJ 4.0, AX-15 5spd, np231, dana 30 front, dana 35 rear. 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. To my knowledge, there is no aftermarket EFI fuel system suited to fuel the Sniper EFI system that exists on the market. Car runs perfect . It may not display this or other websites correctly. On my system, I machined in the O2 sensor right between the snail and the manifold of a BBC. If you call, they usually let you put in your name and they get back to you. Items 1 - 21 of 21 Items. JavaScript is disabled. 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. In order to do this, it heavily relies on proper O2 sensor placement. :-), I started using OMC and Volvo Penta pumps for my conversion. Categories. These types of adjustable on-delay timer relays are on sites like Amazon for less than $10 up to $15. You will still get some water on the engine side of the snails, mainly at low Rs. You can selectively provide your consent below to allow such third party embeds. My spare "Bosch O2 Sensor" came from eBay & was half the price of anywhere else I found. Have you visually verified that all your injectors are spraying? Having selecting USCG-approved components, and sourced your O2 sensor adapter, there is but one more challenge--tuning. I found this in the instruction manual for the older commander 950 system. CUSTOM ART FOR CUSTOM NEEDS. You must log in or register to reply here. Yellow Cold! 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 EFI Oxygen Sensor. Sniper EFI Releases new Stealth 4150 Models! When problem-solving this type of issue, consider when and how you could use a work-around. Some parts are not legal for use in California or other states with similar regulations. Homemade body parts replace the originals as they rot away but it's a 40 on the inside. 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. This doesn't apply to race boats. Now the lower cost Holley Sniper advertised for March 31 2016. 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)? That would be for individuals that run the OEM exhaust manifold, as well as individuals that run headers. No worse than taking the reading in the intake manifold cross over. Holley has a pump almost identical in size to the OEM pump and it's not difficult to change. Part Number: 510-554-155. i'm not aware of a universal aftermarket EFI fuel pump kit that is USCG approved. I am happy with Holleys no hassle replacement of the parts. Note that this is a different sensor than Holley uses for their Dominator/HP/Terminator/Avenger series. Do you also recognize that the O2 sensor that is required for closed-loop operation will not survive in the "wet" manifold used by most marine engines, and that to install a device to protect the O2 sensor from this moisture may require the removal, machining, and replacement of the exhaust manifold? 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. Why? Emissions. But you have to get it tuned. replaced my original terminator x sensor that was mounted in an exhaust that took on some water and killed the original sensor.

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