running holley sniper without o2 sensor

Put an end to cold start issues, hesitations, vapor . If you have long tube headers, mount the sensor approximately 6-10" after the collector. Replacement Bosch Wideband Oxygen sensor for Sniper EFI and Terminator X systems. 534-199. Yellow Init In First shown for an instant when the system is powered on. Hello Chris,Ontario's boating season is about to launch for another year.Do you have any good news to add to your above article, any new marine friendly TBI products?In '08,I installed a Holley 21-700 TBI with the o2 mounted in the manifold to Holly specs. Then dialed back the cranking fuel quite a bit and that seemed to help some, but still having ongoing issues. 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. 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. No, use only one 02 sensor, mounted close to exhaust manifold, or high up on a Header collector, not into a single Header pipe that merely gets a exhaust pulsation. Wideband vs Narrowband sensors - A narrowband O2 sensor is only calibrated to . Holley part number 554-155. Its the Holley Pro Jection TBI mentioned by the above poster. It will crank and run great for 2-15 seconds then die. Have you visually verified that all your injectors are spraying? 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. 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. 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. Specs. Staff Writer. This page was generated at 08:35 AM. Bosch 17025 Oxygen Sensor #1 Best Seller . Got a picture? Robust, feature-rich multi-port EFI systems offer easy plug-and-play late-model V8 engine swaps. It flows 850 cfm and can support up to 650 horsepower. -- I particularly like the Daytona Sensors Approach to the Ignition Curve.- Are you pursuing Coast Guard Certification for the Sniper_EFi? . Price Point: $, Advanced throttle body injection systems capable of transmission control and more. Option 1 is to purchase and install one of the Holley EFI Dual-Sync Distributors on your engine. It may not be enough to cause problems with the way the engine runs aor even make into the cylinders, but it is enough of a mist to take out a O2 sensor. My hand is holding the connector to the sensor. Items 1 - 21 of 21 Items. Let him re-jet the carb (a wee bit on the fat side for safety) and reset the timing and try again. In the end I ended up using a Fuel Control cell made by Pleasure Craft Marine for their 351W engines. EFI is the wave of the future. YES! (If I am incorrect I heartily invite your comment at the bottom of this article!) 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. Capability Range: Moderate They have mods that help. I'm looking for some more practical and scenario-specific advice; that's one small piece of it. And who can blame them? Part Number: 510-554-155. I installed a Holley sniper system on my car and I've been fighting it for 2 weeks now. Holley has a pump almost identical in size to the OEM pump and it's not difficult to change. As far as spark control, the Sniper will let you tune those 4 points, nothing else will. 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. Full time feedback from the sensor is what the computer uses to refine the fuel table. I will let you know what happens. . It has about 18 hrs to date and is working great. 1985 fj60 (sold back to Toyota), 1997 fzj80, 1971 fj40 with 75 2F. Thanks again for writing! 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. Yes, this is going to be an added expense, however, it will help guarantee your success. Enter The 2023 LS Fest West Trip Sweepstakes Today And Join Us In Las Vegas! A forum community dedicated to performance boat owners and enthusiasts. . Has anyone run an O2 sensor in an EFI on a marine engine? Maybe my manifolds leaked the inside between the snail and the log?? I was thinking aluminum heads would run it up closer to 5,000 rpm. Douglas Cline. This boat has a non-vortech motor with a 2 bbl gm intake i'll need to replace. The in tank pump is quieter, will normally run cooler and should last longer. *Possible delays due to Covid-19 click for more information. It turns out that the loading generated a propeller in the water is significantly different than wheels on pavement, so much so that the map has to be tuned differently. turn on the ignition.but do not start the engine. Part# 534-199. Holley Oxygen Sensor O2 Bung Weld-In Style; Larger Image. I installed the adapter and elbow so it's at an angle above the entry point. For a better experience, please enable JavaScript in your browser before proceeding. You will need an O2 sensor to measure fuel needs, but it could be tuned manually like in the old days. Oxygen sensor: It's perfectly OK to share narrow band oxygen sensors with the stock ECU. I have a 74 bronco, 302, mild cam. In order to do this, it heavily relies on proper O2 sensor placement. THen you have to determine if you want 02 readings from one cylinder, or in the case you just mentioned mostly one cylinder, average of 4 cylinders on one bank or the other, or average of all 8 cylinders. The engines are rated at 170 hp each. Q1. 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 will be starting mine up this month, I hope it goes well, good luck to you. 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. ), 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. 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. Air-Fuel Ratio (AFR) - The most common reference term used for mixtures in internal combustion engines. 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 fuel module is self contained with water jacket cooling and contains the low and high pressure pumps. There was a 1.5 point difference in afr between banks. Install the throttle linkage to the Sniper EFI throttle body. Sniper EFI 2300 Marine. 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. This step is only for those installing their Super Sniper EFI on top of a draw-through or Roots-style blower. 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. I recently installed the sniper setup on my stock 71 duster 340 4 speed. EFI Systems based on Holley's world-class Dominator and HP ECU's. 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. Why? Sniper throttle body linkage opens all four barrels evenly when you depress the throttle. Only show this user. 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. After discussing it in this thread and talking with Holley's tech support, I decided . Ideally I'd want the power plant running as efficiently as possible, but I'd sure like the benefit of EFI over carb. The Ford 2300 engine uses a Holley carburetor, but it is in fact a licensed copy of a 32/36 Weber. One of the most common causes of poor idle is improper O2 sensor placement or trying to run closed loop at idle . Thanks for the heads up. I am concerned about the O2 sensor consideration, but in the end isn't the carburetor situation open loop? The following vehicles are considered Racing Use Only Vehicles: Holley is the new standard in EFI! Add To Cart. We also use content and scripts from third parties that may use tracking technologies. JavaScript is disabled. The new Exhaust manifolds will have wideband O2 bungs for tuning. This completes the basic installation of the Holley Sniper EFI 4150 Super Sniper 1250/650 kit. Ran about 5 seconds and died. *Free Shipping & Handling only offered to the contiguous US on orders over $100, excludes clearance parts and oversized packages. 3. 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! 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. . We can hear the initial fuel spray into the body, but it appears that its not enough to start the engine while hot. I know from some of the other posts, there have been WBO2 sensor issues. If you've done some automotive fuel map tuning before, you can likely overcome this challenge. It is the ratio between the mass of air and the mass of fuel in the air-fuel mix at any given moment. Purely coincidence about the '2300' number. That would be for individuals that run the OEM exhaust manifold, as well as individuals that run headers. 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. . 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. Conditions when closed loop o2 should be turned off. 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 really applies to any O2 sensor regardless of EFI system. 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. Sniper EFI Releases new Stealth 4150 Models! For gourmands, night markets not only offer scrumptious small . 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. Description. Thanks for the feedback on this adapter, Donald. Holley 2300 is their nomenclature for a 2-bbl generic fitment carburetor. My bet based on longer pump run, to make pressure, you have a leaking injector. I thought about adding some sort of extra protection but never did. Do you recommend in-tank or external fuel pump? 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. John 1:5, 1969 FJ40 2F with Holley Sniper EFI, Power Disk Brakes Front & Rear, Downey, Your post has peaked my curiosity. Everyone else was backordered several months. Right now I'm just using the AEM Wideband sensor to monitor Air/Fuel ratio but hope to use it in an EFI system soon. check out the. 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. It may not display this or other websites correctly. 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. It is better to remain silent and be thought a fool than to open one's mouth and remove all doubt. Mark Twain, The goal in life: To die young as late as possible. As far as packaging goes, one comes in a Bosch box, the other in a Holley package. Find a lower price anywhere and we'll beat it by 5%! Assuming that your current ignition works well with the marine carburetors it will continue to work well with the Sniper EFI System. (Assuming it actually releases in November and there are enough units for me to purchase and receive one in December). On my system, I machined in the O2 sensor right between the snail and the manifold of a BBC. The problem occurs when an excessive amount of oxygen makes its way from the intake port directly into the exhaust at idle and low engine speeds because of overlap. Emissions. https://www.efisystempro.com/efi-pro-hangout/sniper-installation-tips-holley-tom-kise, https://www.efisystempro.com/efi-prng-engine-startup-sniper-terminator-x-stealth. The wide band O2 sensor is required for initial running and calibration. I do agree if he can get it tuned prior to fouling he can lock that tune and run in open loop. Capability Range: Advanced Mike. Doesn't look like it will have an O2 sensor. 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. According to AEM Electronics, a leading manufacturer of aftermarket Wideband O2 sensor kits, the following may damage or destroy oxygen sensors: Additionally, if an Sniper or Terminator X EFI System has repeated O2 sensor failures and none of the above-listed suggestions seem likely then contact Holley and arrange to have the unit tested. $5 Off Your $100 Mobile App Purchase . In the case of the car, you can generally get out and walk (run?) They have been working out well for a few years now. Holley EFI has the solutions you need to get your project up and running better than ever! The plan is to 'learn' a fuel\Timing curve with a closed loop. Have to replace head gasket. . Maybe this one has a shorter cable? The light shines in the darkness, and the darkness has not overcome it. I've seen O2 sensors in water jacketed headers that have worked fine for years. p.s. :-), I started using OMC and Volvo Penta pumps for my conversion. As I have since added above, the Sniper simply isn't going to be the system to use to tackle this problem. Greatest struggle is the shift interrupt. VerticalScope Inc., 111 Peter Street, Suite 600, Toronto, Ontario, M5V 2H1, Canada. 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. Tech Resources. I have installed the Holley hp efi MPFI on my twin inboard mercruiser 350ci 270 hp. As always, your results may vary and batteries not included. It works fine. I am in the middle of a repower of twin BBC 481, mild cam which will need to be recarbureted. 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? 2023 Holley Performance Products, Inc. All Rights Reserved. Distributor and ignition box? 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. Thinking about this I think this will work very fine! Categories. A third option would be to run your EFI system without an O2 sensor at all. Apr 13, 2017. with the extension. Features: . If you have any exhaust leaks between the combustion chamber and 18-24" after the sensor you are going to have problems. 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. the motor has the following mods, Aluminum heads, Performer intake, Sniper and MSD ignition module. 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. It will flood itself out and won't start back, just crank and crank. JavaScript is disabled. holley efi. Brass adaptor designed to install heated oxygen sensor in water-cooled marine exhaust risers. Sniper EFI 2300 Marine. But MAP sensors are very easy to physically implement and are inexpensive. PS, Once someone has a good 270/350 tune, everyone can use it. Other than the constraints provided in the article above I see no reason why this wouldn't be a great upgrade. O2 sensors are water proof. Copyright 2017 Cyberspace Automotive Performance, Inc. All Rights Reserved. I don't have enough experience with marine applications to know exactly what it will take to solve this. Pink switched power wire, this needs to be connected to a point that is 12V in run and while cranking. Bolt on 4150 Flange Carburetor Replacement. Free ground shipping regardless of order size! The problem is with the Holley computer when you turn on the keyit squirts a prime for a split second. As far as a sensor goes, absolutely nothing. Sniper EFI 4bbl Marine. non biased Shelby Cobra related site! 2. Some parts are not legal for use in California or other states with similar regulations. Q3. I have searched thru the forum as much as I can, with not much luck. This requires a considerable additional investment but as long as you're doing things you're not going to do them half-way, right? Fortunately, it turns out there are some options. 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.) Then if that doesn't work call the tech line they are great! On a side note: Im getting 4200 rpms at 5000 elevation with stock heads. In Stock. 92 YJ 4.0, AX-15 5spd, np231, dana 30 front, dana 35 rear. Oxygen (O2) Sensor - Is an electronic device that measures the proportion of oxygen (O2) in the exhaust gas. Without Headers Steamers location (above) is perfect, up close to the engine where you have not lost much heat. We use cookies to enhance your experience while using our website. It only runs rich on start up for a second due to the prime, after start it runs great. The adapter does require the removal of the manifold and some machining but it allows the O2 sensor to be placed into the exhaust flow but protects it from the water exiting the block. But you still risk a little water running back at low Rs. Found out that it was due to rfi/emi. Note, that is not a crack in the exhaust manifold, just a shadow from a casting flaw. united methodist church organizational chart,

Celebration Email To Employees, How Much Does Pest Borders Cost, Stages Band Cleveland, Affordable Outdoor Wedding Venues Massachusetts, Articles R