Will I be able to run both systems off of one fuel pump? After a few tries by jumping the starter solenoid I then realized the ignition key was in the off position. Add To Cart. My boat is still in winter storage. If you call, they usually let you put in your name and they get back to you. As I have since added above, the Sniper simply isn't going to be the system to use to tackle this problem. Is Holley working on a complete marine package or planning to in the future? 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 that your current ignition works well with the marine carburetors it will continue to work well with the Sniper EFI System. Register now for free! Is this a viable upgrade for my boat? One comes in the form of a Marine O2 Sensor Adapter from the folks at Howell EFI. Price Point: $$, Robust, feature-rich multi-port EFI systems offer easy plug-and-play late-model V8 engine swaps. Get fast, Free Standard Shipping on orders over Summit Racing Equipment from $99 -- no shipping, handling, or rural fees! 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. 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. Price Point: $, Advanced throttle body injection systems capable of transmission control and more. I had an injector fail after a month of running and called the tech line who helped me figure that out. 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. Installed the sniper/MSD combo on my mildly built 460 KEM. So there is at least some probability of success. 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. To my knowledge, there is no aftermarket EFI fuel system suited to fuel the Sniper EFI system that exists on the market. :-), I started using OMC and Volvo Penta pumps for my conversion. 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)? Had to replace the oxygen sensor on my car for the terminator x after the original one failed and this fixed all my problems. 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. This step is only for those installing their Super Sniper EFI on top of a draw-through or Roots-style blower. Stock manifolds? But you still risk a little water running back at low Rs. 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. Advanced throttle body injection systems capable of transmission control and more. About your only location is in that short area from the log to the port face. Add To Cart. so simple check first, whats the fuel pressure? 29. My bet based on longer pump run, to make pressure, you have a leaking injector. Can anyone share their experiences with this type of setup? 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. What Is Pinion Offset, And How Does That Affect You? 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. May 19, 2021. Not sure how well the sensor likes being that close to the port. We may earn a small commission from affiliate links and paid advertisements. 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. No worse than taking the reading in the intake manifold cross over. Go to the web site and it will explain the installation it is very simple and works well.As for the rpm you are comparing to completely different animals (pumps). They are the only ones got me a holley usb to can cable fast. 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. MAP Sensors. Q1. And the relay and fuse were mounted along the firewall. I'm guessing by snail, that's another name for the riser? But MAP sensors are very easy to physically implement and are inexpensive. Ordered another dominator Bosch from Holley and it matches perfect. Have to replace head gasket. I mounted it here attempting to protect it from the deep water I play in and from lots of branches I encounter. 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. Installed a Lokar throttle linkage bracket custom made for the Sniper, removing the old one that had been on my Holley 750. Yellow Cold! I will get a new 02 sensor before I swap back to the orange box. Aftermarket headers are pretty much the only safe way to run an O2 sensor. $119.95. As far as a sensor goes, absolutely nothing. This fixed the high throttle position sensor reading (TPS) of above 1% that likely caused my idle issues. Sep 14, 2021. As always, your results may vary and batteries not included. away. Jun 7, 2021. 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. 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. 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. EFI Systems based on Holley's world-class Dominator and HP ECU's. You have to one big hole in the riser, then you reach the cooling water, and one little hole in the next part of metal: now you reach the exhaust gasses. Stay up to date with the latest releases, events, promotions and more. I am a competent mechanic and I have checked all the usual suspect items. Looking for some advice pertaining to Holley Sniper and Tire Size upgrades. http://s621.photobucket.com/albums/tt291/Mark11530/?action=view¤t=MAH05771.mp4, http://www.holley.com/data/Products/Technical/199R10226.pdf. I have a 74 bronco, 302, mild cam. 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. If you've done some automotive fuel map tuning before, you can likely overcome this challenge. 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.) From time to time we receive phone calls from individuals who are interested in converting their carbureted boat motor to fuel injection. It only runs rich on start up for a second due to the prime, after start it runs great. See Details. I purchased the Holley HP MPFI system and went to the lake with it. EFI System Pro also has a good bit of tech info on their website. Car runs perfect . Bolt-on carburetor style EFI for your classic car or truck. Good luck! I thought about adding some sort of extra protection but never did. Search for the cheapest hotel deal for O2 Hotel Taipei Main Station in Taipei City. 100% identical. Douglas Cline. Replaced and gapped to .45 all spark plugs. We can hear the initial fuel spray into the body, but it appears that its not enough to start the engine while hot. By Joshua C on August 10, 2021 | Verified Owner, Worked right out of the box. Super helpful and knowledgeable. Note that this is a different sensor than Holley uses for their Dominator/HP/Terminator/Avenger series. The truck started fine after install, and ran down the road ok. It will flood itself out and won't start back, just crank and crank. Menu. Sniper EFI Releases new Stealth 4150 Models! Does an yone have a pic of the O2 sensor in their exhaust? Also some tips on preventing O2 sensor damage . Sponsored Links (REGISTERED USERS DO NOT SEE THIS POST/AD! It does this every time..when you start a warmed up engine, its too rich and starts poorly without throttle. It works fine. Sniper EFI Installation Guide. 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. Oxygen sensor: It's perfectly OK to share narrow band oxygen sensors with the stock ECU. Thinking about this I think this will work very fine! An update from Al:After installing them I used the auto tune program on the Holly HP V4 software and they are working great. EFI EFI kit electronic fuel injection. Removed all the unused wires from harness and wrapped all the remaining wires and harness with rfi shielding tape. $132.95. . The ones in the Bosch box come without warranty. You have to angle it to help the throttle cable get around the booster. I installed one also on mercruiser 260 hp. Most water jacketed header manufacturers (Lightning, CMI, etc) will install 02 bungs in their headers for extra money. Conditions when closed loop o2 should be turned off. May 1, 2018 They want you to angle it to keep it from fouling. Parts List: 1) Holley Sniper 2300 EFI Kit (Do not buy the kit with fuel lines and pump etc. 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. 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). An adapter harness is available to connect this distributor directly to the Sniper EFI throttle body. Systems that were already designed for marine efi. It does not look like anything particularly superior in concept. *Possible delays due to Covid-19 click for more information. In the end I ended up using a Fuel Control cell made by Pleasure Craft Marine for their 351W engines. While those work great on an automobile, you likely won't begin to get these marine installations setup with a handheld. It's hallmark is its simplicity--but in this case it is also it's shortcoming. I have also picked up another .5 gallons per hr to about 9.25 gph. Price Point: $$, Robust, feature-rich multi-port EFI systems offer easy plug-and-play late-model V8 engine swaps. My spare "Bosch O2 Sensor" came from eBay & was half the price of anywhere else I found. i'm not aware of a universal aftermarket EFI fuel pump kit that is USCG approved. Sort. Sniper EFI Releases new Stealth 4150 Models! 10 min read Video. Great Article. The O2 sensor burned out immediately. 2. You are using an out of date browser. 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. Purely coincidence about the '2300' number. 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? To take advantage of all the site features, please take a moment to register. 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. Add To Cart. I have about 30 hrs on the unit and it just keeps getting smoother with every hr of run time. $43 per night (Latest starting price for this hotel). The fuel module is self contained with water jacket cooling and contains the low and high pressure pumps. Search for O2 Hotel Taipei Main Station discounts in Taipei City with KAYAK. Staff Writer. This really applies to any O2 sensor regardless of EFI system. Holley Sniper EFI Oxygen Sensors 554-155 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). YES! The test run was great, they have never run so well even when they were new with carbs. I also capped off the regulated return line with a hose, clamps, and chamfering bit. Do you recommend in-tank or external fuel pump? Holley EFI. I had an o2 sensor fail on a pass yesterday, and flatline at 11.5afr. For a better experience, please enable JavaScript in your browser before proceeding. 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. Welcome to Club Cobra! It doesn't even mean that you can't do it. 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. Comes VERY complete.throttle cable bracket, kickdown bracket, base plate studs & nuts, heat shrink type connectors, and pretty decent instructions as well. You will still get some water on the engine side of the snails, mainly at low Rs. It would cost considerably more but a second option that would have added performance benefits would be to switch to a dry manifld such as the headers available from Custom Marine, Inc. On my system, I machined in the O2 sensor right between the snail and the manifold of a BBC. 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. Also the progressive link. That is defacto step one in trouble shooting fuel injection systems. Ran about 5 seconds and died. 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. There are drawbacks to that (as your tuner can explain in more detail) but it is doable, provided the system is correctly tuned initially. I recently installed the sniper setup on my stock 71 duster 340 4 speed. This product works with Holley EFI wideband oxygen sensors, part numbers 554-100 and 554-101. I've got the Howell EFI adapter installed in the riser of some standard Inboard Manifolds and it works great. I found this in the instruction manual for the older commander 950 system. The plan is to 'learn' a fuel\Timing curve with a closed loop. I'm using the NTK sensor. Brass adaptor designed to install heated oxygen sensor in water-cooled marine exhaust risers. Seems to have more low end tq and is much smoother power through out the rpm range. George Place the Sniper EFI throttle body on top of the new flange gasket on the manifold. You should then have at least 18-24" of pipe after the sensor. These types of adjustable on-delay timer relays are on sites like Amazon for less than $10 up to $15. Initial Calibration in Basic Configuration. I have installed the Holley hp efi MPFI on my twin inboard mercruiser 350ci 270 hp. EFI System Pro had everything I needed for my EFI upgrade. Sniper EFI 4bbl Marine. In a horizontal or if pointed upwards it can collect exhaust condensation liquids upon start up. 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. You need to intimately know the system you are using, its capabilities and limitations, install it correctly and have it tuned with someone with experience specific to marine applications. He knows his stuff, gets back quickly to you, etc. Categories. holley efi. Replacement Sniper and Terminator X O2 Sensor, This part is legal for sale or use on Racing Use Only Vehicles. I have a 74 bronco, 302, mild cam. Wondering how you are progressing with this? Now the lower cost Holley Sniper advertised for March 31 2016. As far as spark control, the Sniper will let you tune those 4 points, nothing else will. The wiring was a bit of a mess. Without Headers Steamers location (above) is perfect, up close to the engine where you . I am a competent mechanic and I have checked all the usual suspect items. I've dunked mine lots of times. The first option is to just buy the injector body and the controller with the wiring harness and sensors. The Ford 2300 engine uses a Holley carburetor, but it is in fact a licensed copy of a 32/36 Weber. Copyright 2017 Cyberspace Automotive Performance, Inc. All Rights Reserved. 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 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. pull the sensor out of the exhaust. If this could be disabled it would be much better. It will not fit on round or oval risers without a suitable flat area. I installed a holley sniper kit. Capability Range: Moderate Next, the new unit was installed onto the manifold. Shop Oxygen Sensors at Summit Racing. I have tried several different settings to get it going, no luck. This page was generated at 08:35 AM. The problem is with the Holley computer when you turn on the keyit squirts a prime for a split second. Add to Cart . 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. All sensors are tested to ensure they accurately report critical engine data to the . The in tank pump is quieter, will normally run cooler and should last longer. John 1:5, 1969 FJ40 2F with Holley Sniper EFI, Power Disk Brakes Front & Rear, Downey, Your post has peaked my curiosity. Whether you're engine swapping your classic car or need to manage 4000 horsepower in your twin-turbocharged drag radial race car, Holley EFI has the solutions you need to get your project up and running better than ever! Only show this user. 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. In Stock. Most of Holley's EFI systems provide a Setup Wizard that builds a base configuration file that allows you to start the engine and operate the vehicle. What I don't want to do is spend more money on the headers than on the fuel injection upgrade and new propeller set. 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. This completes the basic installation of the Holley Sniper EFI 4150 Super Sniper 1250/650 kit. Features: . Part# 550-511. If a cruiser with enclosed engine compartment, not a lot you can do to eliminate water or at least water vapor in the exhaust. I have searched thru the forum as much as I can, with not much luck. Sorry for the late reply. 534-199. 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. PS, Once someone has a good 270/350 tune, everyone can use it. (REGISTERED USERS DO NOT SEE THIS POST/AD! Who knows. Add to Cart . Has been since the 80's. OP, the Edelbrock system looks to use the same basic sensors as the Holley sniper system: TPS, MAP and O2, plus a few supporting sensors. Thanks guys. But it is going to be a little tricky. If you find that please let us know. This doesn't apply to race boats. Because the fuel maps are built on a speed-density (ie, engine RPM versus manifold air pressure) fueling strategy. Advertising . Capability Range: Moderate OT pipes may be out of the question, but with the water dumps put in at the transom, ala Gil or Rewarder OT pipes, you could get dry readings with bungs a little above where they bolt onto the logs, I would think. 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. 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. Could show a lean condition when in fact it really isn't. It may not display this or other websites correctly. No matter what I do, it will not start. May God's grace bless you in the Lord Jesus Christ. 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. Description. I really dont want any issues on the whitewater lol 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. Followed all the instructions to the letter. Wiring the Holley Sniper EFI system is equally easy. 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. - You are currently viewing the forums as a GUEST. Went with around .525 lift, 270 duration on a 114 LSA and the car was sucking vacuum like a new hoover. $5 Off Your $100 Mobile App Purchase . running holley sniper without o2 sensorplymouth township mi police scanner. a leading manufacturer of aftermarket Wideband O2 sensor kits, the following may damage or destroy oxygen sensors: . Wherever you go, the cultural kaleidoscope of Taipei showcases exhilarating diversity. ), 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. Without Headers Steamers location (above) is perfect, up close to the engine where you have not lost much heat. Boats don't cruise at 60mph up and down hills. Anti-Seize pre-applied to sensor threads. I have searched thru the forum as much as I can, with not much luck. 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. I hope that the next F/2F header is more O2 sensor friendly. 2 Reviews. *Free Shipping & Handling only offered to the contiguous US on orders over $100, excludes clearance parts and oversized packages. Specs. To simplify . 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. Master ASE tech since 91. YES! It should be pretty straight forward what each of these values do. Dec 28, 2016. 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. I have not yet got it figured out. While these base maps are generally quite good for cars they are going to be pretty far off in the case of marine applications. Are you holding your RPMs back with the MSD for some reason? Without the engine running, AFR will read 35.6 The fuel pump will run off a relay in the sniper harness (blue wire) pink wire gets switch/run power to the relay. Oxygen Sensor is sold separately.Adaptor should be installed in a flat area of riser at least 6 before water blends with exhaust. Miami, FL. Sniper EFI 4500 Marine. We use cookies to enhance your experience while using our website. Add to Cart . Staff Writer. 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. Plug into the coolant temperature sensor. Be sure to disable autotune and remove the O2 sensor before it dies. 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. In this video Holley's own Tom Kise explains oxygen sensors and where to place an 02 sensor bung in your exhaust.