holley sniper efi install costholley sniper efi install cost

holley sniper efi install cost28 May holley sniper efi install cost

Proceed with confidence and keep us updated on your success! Attach the throttle and kickdown cables to the EFI unit. I am told there is a hotter, eight-injector system being developed by Holley, but a release date has not been announced. Connect the seven pin harness to the seven pin connector from the EFI unit and route it towards the battery. Be sure to fit it with a Fuel Pressure Gauge. It will still modify the fueling of the engine to achieve the target AFR, though. We get an earful on a daily basis about folks who would appreciate something as basic as an instruction guide.The only thing I can offer to placate your feelings is the assurance that anything that Holley does, they do 100% right. Rinse and dry the tank well before doing this. If you buy your Sniper system with us one of our technicians will sit down with you via phone and engineer a fuel system that will precisely meet your requirements. I have a 496 BBC with a large cam producing 4 to 6 inHg at idle. I think that would probably be the best route, ultimately.I've always been curious about the minimum HP specifications that Holley implements on their Sniper EFI Systems. Need to account for pedaling? Attach the -AN fitting on the line to the inlet on the EFI unit. I I lock out my Duraspark can I use the sniper to run the distributor and eliminate the MSD? Adrian:That is a good question--but also just about an impossible question to ask. I think you'll like it! Keith Jessee. You'll have to source a 2300 to Toyota adapter plate but I know from experience those exist. To some extent as large as the throttle body provides adequate air flow (which the Sniper should do at 800 CFM) then the ECU is responsible for nailing the air/fuel ratio. Since I didnt need the accessory harness, I called the Holley tech line, and they told me I could simply seal the unused connector and tuck it away. But, having an AFR that is too rich will have the opposite affect and decrease your performance. I think that, using the basic I/O capabilities of the Sniper that allow you to activate an output signal based on the throttle position sensor you could implement a super-simple type of torque converter control. It comes in the old style brass satin finish, a shiny gloss finish or a black finish. Hi there, Although some would say that following directions is somewhat new to me, I can do that. The stock carb flows at 326 cfm, will this system be too big for my application? The setup wizard (the only means of tuning the Sniper EFI) simply does not have the resolution required for something as complex as a marine application.Know that we are huge cheerleaders for Holley to come out with an marine-ready EFI system. Using this, is is possible to detect quite a number of problems. My theory is this, Illchange a setting, and if it doesnt help, I can always go back and set it where it was. But, when the engine is required to develop substantial power, richer air/fuel ratios are used. Using line wrenches (preferably), remove the hard line fuel connections at the pump and disconnect the low pressure line from the pump. Using your test light or meter, locate a power source that is on with the key in both the Run and Start positions. Free ground shipping regardless of order size! I wouldn't worry about changing how your engine block is grounded if it is working for you. I wondered if adding a small spacer for an application like this would have any adverse effects, but according to Keith, Using an adapter or spacer really shouldnt give you any issues. But you'll have to find someone with more experience on how those smog pumps integrate to find out if that can be done. my battery is located in the trunk with ground to frame and frame to engine block. In the case of your MSD 6AL-2, it will simply receive the tach signal from the box. Lucky for me, the Sniper EFI doesnt require me to upload and adjust fuel maps or tables. And the shorter--the better!We just had another customer who bought a Sniper for his '94 Suburban with plans to use the US Shift controller. However, on the new Super Sniper EFI System you get an additional 8 pin connector that should allow you to do what you want with no problem! As I said, the throttle body is designed to simply bolt to the intake, and you will need to install the supplied temperature and O2 sensors. However, from an algorithmic standpoint, I theorize that there would be no problem. I have a 1984 ford 460 with duraspark II ignition. Just may have to go with another system if we don't get some kind of info about the Sniper EFI system soon. Setting up the system only requires answering a few simple questions on the hand-held controller. They most definitely didnt install the master kit. It used to be thought that adding EFI to a classic, carbureted vehicle, required a degree in rocket science. Holley is absolutely unwavering on this: Both the power and the ground from the Sniper must be run to the battery. And while I am usually one to urge such a venture, I can easily see where this might leave you in a bad situation where nothing works--OE or Sniper. I think this is a good point for me to provide the technically correct answer of "I don't know." Good luck! button at the top. Thanks, We'll send you the most interesting Chevy Hardcore articles, news, car features, and videos every week. I couldn't find any references to a 2209 to 2300 manifold adapter, but since that would seem like a natural upgrade for this rather unusual carburetor it could be that it would fit without any adapter or with just some modifications to a 2300 spacer. Keep in mind that these first orders will go to those who pre-ordered and were patient enough to wait through all of those delays. Will the Sniper be able to control transmission lockup and how does it work?Secondly, The Sniper specs say that it is good for engines from 200 HP to 650 HP. Curiously the shop I used to install EFI systems at was an off-road shop called Avalanche Engineering in Durango, CO and one of our tube buggies was called the Sniper! While that might not seem like a lot, remember, the system is still learning, and I might even be able to adjust things to improve upon those numbers. Will the sniper set up work with an edelbrock performer intake or will I have to buy a holly specific intake? These are road course cars (two of them), with Boss363 pushrod engines in them. Its one of the easiest TBI installs. The Sniper provides for both the activation of and the EFI tuning for your nitrous system.For the activation, the Sniper provides an input to which you can wire an activation switch. This was installed in a factory-replacement style tank, though Holley does offer retrofit EFI tanks that have the pump already inside. In that case, and as mentioned in that earlier post, you have to either install an MSD distributor / lock out the advance / add the rotor phasing kit or install the Holley Dual Sync Distributor / add the Sniper-to-DS Distributor adapter.If you do away with the CD box you will need to include the coil driver module that comes with the Sniper. :-)Yes, the fuel tanks come with a sender that is suited to the factory gauge for that specific make, model, and year. A Stoichiometric air-fuel ratio is 14.7, which is the ideal ratio for exhausting the lowest emissions. Youll need to do this at both ends of the return line and the EFI side of the supply. As far as I know, the fuel miser on the Cheyenne has never been rebuilt. But, if you are like the rest of us, just settle for a moderate gain as you enjoy your new toy. Nothing against mechanical fuel pumps, but as soon as you double the number of fuel pumps you also double the likelihood of fuel pump failure. If you choose not to control timing with the Sniper EFI System then it will have no input to the ignition system--regardless of the components. Use this diagram if you have a Holley Dual Sync Distributor and external ignition box. Be sure you're running a good boost controller--this new top row represents the maximum amount of fuel that the Sniper is going to provide based on boost.Next, go to the 11th cell from the top (1/3 of the way down) and entering a '0'. Currently have the holly mech double pumper 750 cfm and with mods to the carb the accelerator pumps floated at about 5500 rpm on the engine dyno stand. No laptop or tune shop required, Self-tuning ECU means you don't have to be a computer/tuning wiz to have EFI, The included wideband oxygen sensor provides real time Fuel Map Learn, What Is Torque? This guarantees a constant 12 volts to the system. You can download the Sniper EFI Software for free on this page. The HP range is completely different. Something like this can show long-term benefits, so I plan to give you guysa future updateas things progress. Price Point: $$$. right hand side of this page to chat with us, or visit our Contact So the O2 sensor is necessary to do that tuning.Once tuned, it is theoretically possible to disable the learning and the closed-loop operation, but I do not advise that. Refer to this image for assembling the EFI fuel hose to the -AN adapters. Whats more, I didnt have to buy anything outside of the kit to get it to work. The stock ECM controls spark advance. Route the return line to the passenger side of the EFI unit and connect its -AN fitting to the EFI unit outlet. I just purchased a paxton blow-through supercharger capable of 4 to 6 psi of boost. In general, it needed a rebuild. My Larson 5.7 L Volvo Penta came with a stock Holley 2 bbl carb, installed the 21-700 2008 still using your product. I suspect it will work perfectly. Here at EFI System Pro, we are passionate about your success. Thanks for your time. But in practice, it's not so simple. You see, I have yet to meet anyone who can bolt on a new go-fast goodie, feel the improved performance it produces, and then manage to stay out of the throttle. The stock set up has provisions for the required throttle valve cable for the 700R4 transmission. Jan 17, 2017 The domestic aftermarket performance world has been abuzz about the latest low-cost EFI systems, one of which is Holley's new Sniper EFI. But because you can change the settings using the Sniper Software, and since there is a 2-bar MAP sensor, in theory this is all doable.But the better question is not if the Sniper will work but should you use the Sniper. Make sure you leave a little slack in the line, but not enough to kink the line when you put the tank back in place. You can tee them together (they have an internal checkvalve) and run both to the Sniper. Further, the Sniper Software allows you to select from 4-, 6-, or 8-cylinder configurations. In this case it would be best to call and talk to one of our technicians. It is for an extremely narrow range of users, V8 only, who need to replace a carburetor with EFI and don't need any ignition control. We also have an entire page of Sniper EFI System repair and accessory items. Unless they already had a dedicated EFI fuel system, Im not really sure they did. Crank it and see what sort of fuel pressure you have at idle. With the vehicle in the air, remove the fuel outlet line and drain the fuel into gas cans. One of the great features of the Sniper is the ability to set your air/fuel ratio (AFR) where you want it. Would the 2300 Sniper work out for my small motor? And have heard good things about this set up. Provided that you aren't running any sort of capacitive discharge ignition box (like the MSD 6) then just connect the yellow wire from the Sniper 7-pin harness to the negative side of the coil. Hi Chris , I have ordered the sniper, and I saw you Duraspark comment above. Sniper has built-in fuel pressure regulator. To suit Whitmer's Nova, a Holley die-cast fuel module was sourced. Block the front wheels and jack up the rear of the car, being sure to use at least one jack stand for safety. ), Hello.. has any release date for the 8 injector version been announced. You can only view the 3 additional inputs on the Digital Dash. You can install the temp sensor in the intake or the cylinder head, it really wont make much difference, provided you have sufficient coolant flow. Perfect for street rods, muscle cars, off-road trucks or almost any carbureted vehicle. Running a mechanical fan will not have any effect on the efficiency of the Sniper system.There is a huge amount of diagnostic information available via the included 3.5-inch touchscreen display. Thanks, ed. would the sending unit work with my factory gauge? Don't worry too much about the throttle linkage or TV cable hookup. And, in almost all cases, you will find that the Sniper EFI ECU can do anything that most entry-level ignition boxes can do--including 2-step rev limiting! Since I was able to choose my desired air/fuel ratio, I set it as follows: 13.1 at idle, 14.2 at cruise, and 12.9 at WOT. The 800 CFM throttle body is going to be more than adequate to feed your 400 HP engine, and it will work well on any gasoline combination you might throw at it (though it always works best if you tune for a specific fuel octane and BTU rating, of course.) Can you let me know when these are available? Use the brass punch to locate the hole and drill a 9/16 hole with the stepper bit. I am reading through the wiring instructions and I do not see the ability to have both coil and cd. The folks at Holley say the throttle body can be bolted to a spreadbore intake, or a spacer of some sort can be used. I'm very interested in the Sniper setup but would like to continue to run the stock pump since I've spent good money replacing it not too long ago. I am very interest in this product but i want to know how much gasoline im going to save between the efi system and a carburator sistem. Contact us via phone or chat and we can give you more details about how to meet your objectives. Route the oxygen sensor cable from the EFI harness to the rear as far as it will go. A Few Sniper EFI Install Questions - Holley Performance Products Forums Kinking the fuel line will decrease the fuel volume flowing and decrease the lines life expectancy. This must be accomplished with an EFI fuel pump and bypass fuel pressure regulator. And I am the first to admit that there is something especially cool about a retro-rod that runs cleanly on a well tuned carburetor. But then the O2 sensor would sense the enriched fuel ratio and would reduce the time the injectors are open and again dial in the precise AFR.In other words, the Sniper is always seeking the target air/fuel ratio (AFR) and a small change in pressure won't really have any impact. Hey Chris, quick question,wiring instructions say that unit must be hooked directly to battery(pos/neg). Am I looking at the instructions incorrectly? I suppose the "V8 only" should not be surprising. There are three fuel inlets you can choose from on the EFI unit, one at each corner, except the passenger rear corner which has the regulator and return line. Live way up north and cold weather a carb can be a pain. Cancel anytime, full refund in the first 30 days. The higher the AFR, the leaner the mixture. That wouldn't be a good idea! Installing the Holley Sniper EFI Kit - RacingJunk News The PJ throttle body can be rebuilt (a gasket kit is available here.) If your sending unit cover isnt big enough to accommodate the bulkhead adapter, fill the tank with water, then drain and dry it and install the adapter through the side of the tank near the cover assembly. The advertised $999 price tag you often hear talked about is not for the master kit and does not include the fuel system. I wish I had good news for you, Doug, but I don't. Route the harness for it through the bulkhead using a grommet, one of which is supplied in the kit and requires a two inch hole in the bulkhead. Certainly the Fitech has its place in the market but if you're looking for a more complete and permanent solution I would recommend one of these two ideas. Sniper is a powerful device in a compact design at an amazing price point. I heard about the sniper from a friend that's has the sniper set up on a blown 454. But if you are the sort that might bolt this on and expect it to work with any hiccups then I'd say stick with your double-pumper.Second, the next iteration of the Sniper (the "Super Sniper") has some impressive boost control capabilities. The touchscreen control pad isnt an absolute necessity once the EFI is programmed and the vehicle is running, but it does allow you to do data logging and it does look cool in the passenger compartment. Holley has classified the Sniper as a Emissions Category 3 product, meaning it is only "legal for use on Uncontrolled (Non-Emissions Controlled) Vehicles or Racing Vehicles". There is no question that you can replace the existing fuel injection system on your '97 GMC Pickup with the Sniper EFI system. A few weeks ago I purchased the new Holley Sniper EFI system for installation on my 55 Chevy 210 with a crate 350. A full-featured throttle body EFI system that starts at only $999. When you say 700R4 I presume you mean the electronic version, the 4L60E. Swing-out cams and a thick, neoprene . We will safeguard your e-mail and only send content you request. The extra effort is going to pay off! Im also told itis being designed to handle a blow-through supercharger or turbo. While we are in Florida (which isn't known for it's mountain ranges) and I haven't yet received feedback on this, I think I can safely assure you that it will work just fine. But that is the beauty of EFI versus a carburetor. Will the Sniper EFI work for my 1966 AMC Rambler with a 287 V8? In other words, if you want to boost about 7 PSI (roughly 1/2 BAR) then multiply your projected displacement by about 1.5. I filled the tank and put a measly 50 miles on it and I'm getting around the same mileage I did with the QuadraJet carb. The kit also includes studs that you may need to use if the ones already installed arent long enough. Uses stock distributor. Never again guess about your fuel pressure. We're beginning our Holley Sniper EFI fuel system installation with a Holley fuel tank, which will accommodate virtually any electronic fuel-injection system. Just add your existing filler neck and it'll be ready to go. To your questions,Q1. If you prefer betterperformance options,then you can run an AFR of 14.0 to around 13.0. That flows 400 CFM (instead of 800). Let me try to hit all of your points.As you now know, not only did Holley miss the March ETA but then they blew through the June ETA. As long as you stay under 1 bar of boost (as it sounds like you most certainly will) then you can do what you are trying to do with the Sniper 2300. How To Install A Holley Sniper EFI - YouTube Edelbrock - #1115 Intake 4 barrel manifold Currently my Duraspark runs an MSD through the two wires. Install the return line bung in the fuel tank. I also think that while this may be adequate for some there will be many others out there who would point out the shortcomings of this. But I think I can clarify things a bit.In it's basic configuration the current Sniper is intended to be a plug-and-play solution for naturally aspirated V8 engines. Holley Sniper EFI Hyperspark Ignition Install Kit,Coil/Box/Wiring When buying the Holley Sniper EFI kit, you've got two basic options. It takes less than two minutes and is without cost or obligation. Thanks ! Marine EFI systems need very advanced tuning capabilities. 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. Holley Sniper EFI, Cost Effective, Easy to Install! - EFISystemPro.com Does the sniper system require an O2 sensor? The truth is, because of the way that the Sniper algorithm determines the amount of fuel to inject, a small change in feed pressure doesn't have that much of an impact. So far, if youre even thinking about upgrading your classic tofeed from EFI, the Sniper EFI should be a definite consideration. I encourage you to read the separate writeup I did regarding Holley EFI in Marine Applications for more details. Thanks for writing! 65 sunbeam tiger, Oooh--Sunbeam Tiger. However, by using the software (which is free and identical for all Sniper EFI Systems) a gifted tuner can build a great configuration file for your newly-boosted Inline 6, including timing and boost control. Locate a suitable spot in the water jacket to install the coolant temp sensor and route the two sensor connector to this location. Street/strip car ,Sbc 550hp with a plate nos system(200-250 shot),locked msd distributor 6al box, msd timing control,and progressive controller. Here's where it gets tricky. Posted by Chris Myer 11/18/15 67 Comment (s) New Product Announcements, Sniper and Terminator X You might think that EFI and vintage cars go together like engine oil and coolant. I suggest the following:Start by going to the top cell and set it to the maximum amount of boost you wish to run or a bit over. Divide by 0.38. One of the beauties of fuel injection is that you are no longer trying to "tune" the setup with a larger or smaller carburetor. test. Holley is released their new Sniper EFI system that is exciting for several reasons. You'll need a good EFI fuel pump as well. I know it is 1550hp N/A I have bbc that will be around 1000-1050 hp and I would like to use the 4500. However, if the engine builder thinks that bigger CFM will produce more HP, then I think that a well-tuned 4-barrel Sniper should produce the expected results. The Quadrajet has been on the Cheyenne since it left the factory. Installation of our Sniper Fuel Injection system is one of the simplest ways to upgrade and replace your carburetor with modern technology. Dual tanks with return lines and electric in tank pumps already in truck. We are committed to guaranteeing the success of your efforts! That surely added to the amount of time it took me to complete the install. I look forward to hearing from you soon! If that doesn't answer the question let me know. These kits are internally regulated, which means that they do not require a return between the Sniper and the sump. It seems we can tune it with a smaller carb but sacrifice some power or as it is now, over carb it and run rich. He's had great results so far. If youre interested to find outwhat I did, and mythoughts after some seat time, click here. I have a ford 2.3 turbo engine in a tube frame hillclimb race car that blows through a Holley double pumper 650 at max boost of 10 psi. Capability Range: Professional All numbers are with the engine at operating temperature. It appears that this will be a good product. I think the Sniper EFI System would indeed be a good choice. The good news is that these just started shipping to dealers TODAY so you are definitely closer to seeing one of these than ever.I fully sympathize with the issues keeping the Pro-Jection unit working, though it really sounds like your experience in tuning EFI systems did pay off. Holley Sniper 558-493 EFI Dual Sync Distributor Harness Plug and play installation. and help customize your order into exactly the components you needs to be successful.Listing the pros and cons could get a little long here but let me say this: There You may need to transfer these from the carburetor. The possibilities for EFI fuel systems can be numerous depending on the specific application and are a bit beyond what we can cover here. All it requires me to know, is how to hook up a couple of wires, plumb some fuel lines, and follow directions. And it costs you nothing more than what you paid for your Sniper EFI System. Oh well, the Sniper is finally rolling out the door in initial production quantities to those who have placed pre-orders so that's good news.The 12-133 In-Tank RetroFit Fuel Module- Returnless Style was designed specifically with the Sniper in mind, so that is an excellent choice. Thanks Chris! There are a few different ways to avoid running a return line for your Sniper. Be SURE to replace all of the existing fuel hose on your car with a high quality EFI fuel hose that is capable of handling the additional pressure created by this fuel pump. I have my heart set on the Sniper. Stay tuned here at EFISystemPro.Com and as soon as we get some insight to the 8-injector Sniper release date we will share it! Remove the line/hose between the pump and the old carburetor and as much of the line leading to the fuel tank as you can. Works great, fewer headaches than other options. Even though you are mounted in the trunk I recommend that you run your power and ground to the battery. I have a 1985 Chevy 350 and wantin to do fuel injection. Getting up to cruising speed or getting ready to pass someone is considered an acceleration condition. Still, there are some concerns with going too large with the air door but those largely revolve around throttle response and fuel puddling. If not, please get your order in quickly. Capability Range: Advanced Good luck! Mike's love of cars began in the early 1970's when his father started taking him to his Chevron service station. Since you're not set up for the ECU to control the ignition, sync with the ECU isn't required for the ignition to fire the spark plugs. And "not recommended" is hard for me to interpret. If its full, use a jack to lower it. If you can accomplish those then I think that the Sniper is going to be perfect! Holley Performance Products has written this manual for the installation of the Sniper EFI TBI fuel injection system. It's not rocket science, nor will it be terribly expensive, just a bit more than practical to discuss in writing. Considering the Sniper EFI for a 1986 C4 Corvette with L98 engine to replace the currently failed TPI system. Around 14+ MPG. However, there is an additional benefit of the Sniper that may have a negative impact on your fuel savings: additional horsepower. Stay tuned to http://www.holleyinjection.com and we'll let everyone know as soon as it is available! Fuel pump blockoff plates are on this page., If you have an existing return line on the car then connect the return from the Sniper to that line--otherwise, install one. The Sniper is designed specifically for a very narrow range of engines--fortunately, your 455 Olds sits squarely in that range.Ultimately, I do think that the Sniper would be an outstanding system for you. So I will conclude by pointing out that this is absolutely not the target vehicle for the Sniper system. Will it sense the change in A/F ratio and compensate with fuel up to the 600 hp limit? I have a question about sniper throttle body.I currently bought a 1997 gmc truck with vortec 5.7. An engine that is properly tuned and driven under normal road conditions has an air/fuel ratio that is constantly changing. Chris, Did you ever find a solution or did your customer find a solution to running a sniper with in conjunction to a Quick 4 controller either sharing a TPS signal or mounting a way to obtain another one? And I had a chance to buy a '94 Silverado with the 4L60E and try my luck. That's a bit beyond this venue but if you've replaced the cap and the module you might need to consider replacing the coil. So it's doable but there will be a little bit of engineering involved. $315.95 Part# 556-151 Add To Cart Holley Sniper EFI Sniper EFI HyperSpark Ignition Coil $46.15 Part# 556-152 Add To Cart Gary One thing I suspect--the splitter which US Shift recommended (they don't make on themselves) was quite long and did not have enough twists for my comfort level. A bit more cost and a bit more effort, but this is more of a complete solution rather than a work-around. I am looking to put EFI on a small motor. In theory, you could find a way to mount the factory TPS in parallel with the Sniper TPS but that would be challenging to say the least.US Shift makes an aftermarket controller for the transmission, and it can be paired with a stand-alone TPS that can be remotely mounted, which should be a better solution but it not inexpensive. Try me: Use the "Sales Support" feature at the There were no issues with start-up and idling, and I never touched the gas pedal, unlike with the previous Quadrajet that needed constant input when cold. A 3-inch holesaw was used to cut through the tank's corrugated surface and the pump dropped in place. I have access to four bungs on the bottom of tank, fuel delivery, crossover, and two are plugged. That's a built-in feature for all Sniper EFI Systems. Does it ever say anything other than "stall"? To do this you'll need to use the Sniper Software. But if you've not already ordered then ABSOLUTELY GO AHEAD AND GET THAT ORDER PLACED! Holley doesn't classify these as boost capable only because there is nothing in the setup wizard that will allow you to set fuel, boost, and timing configurations for a boosted application.

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