Holley Sniper Efi Forum

The best solution for an EFI fuel pump is an "in-tank" pump. Now, Holley EFI is dominating the performance world as well as our products for GM's LS engine. Find 132 used 1972 Chevrolet C/K 10 Series as low as $10,995 on Carsforsale. If you want timing control, Holley wants to sell you an MSD or Holley EFI plug and play distributor. I was wondering if the engine would be able to run with this and peoples experiences with this setup?. The TwEECer is an adapter which connects to the J3 service port of the 1984-2004 Ford EEC PCM, giving you the ability to modify parameters in the calibration data with parameters that match the modifications which you have made to your engine combo. I wouldnt overthink the manifold issue. They recommended me to steer clear of Holley manifolds because many have fitment issues and leak. Just ask google and the internet will give it to you. I've researched it in the forum and found threads related to it but, being a wiring novice, I don't get it. Fuel injection, because it can be more precisely controlled, results in more efficient use of fuel, reduced fuel consumption and fewer emissions , which is the main reason it began to replace the carburetor in the 1970s. 3-liter V-6. com, he wanted to offer a terminator package at a discount in place of the sniper, but apparently, Holley will not be delivering any of them until sometime in August. jpg The Sniper will control the ignition firing but you need an MSD or Holley Dual Sync distributor to lock out any mechanical advance. See our vacuum ports. Holley designed an EFI system for engines over 800 hp that would typically be served by one of their Dominator 4500 carburetors. It continued to be used through 1990 in the Wrangler. Holley/MSD is pleased to announce the release of Sniper Stealth 4500 EFI Systems, which are capable of supporting up to 1,500 horsepower for naturally aspirated engines and 1,250 horsepower for forced-induction applications (comes with a 2. Fuel lines are some of the most important parts of an engine. It is a family owned business founded in 1952 by Bill Smith. The Holley Sniper EFI Self-Tuning Kits feature all the benefits of EFI, and are a perfect option for street cars, muscle cars and off-road vehicles. Holley ran their own engine comparison on a moderately built 302 motor and gained some 14 horses and nearly as much torque over the Performer (2121). CJ-8 Engine. Without fuel, combustion can't occur to fire the engine, and leaking fuel can be both costly and dangerous. Find Holley Sniper EFI Self-Tuning Fuel Injection Systems 550-511 and get Free Shipping on Orders Over $99 at Summit Racing! Holley Sniper EFI self-tuning fuel injection systems from Holley deliver all the benefits—and none of the hassles. Throttle response is very snappy and I noticed an improvement in fuel mileage of 3 mpg. ***UPDATE on post 15*** Morning guys, I just wanted to give my review of the Holley Sniper install I just completed. I don't know what that ready to run distributor is putting to the coil, but I think it's some kind of pulse that the sniper is not happy with. I have a complete Sniper EFI system Master Kit with the Gold Finish TBI unit in the box just as I received it last May. Really impressed with the system so far. Re: Holley Sniper wiring with Vintage Air I didn't use any of the a/c options on my holley efi, but I thought the instructions were pretty good in that area. Mine ran with the oval facing sideways, but not front to back. Holley EFI Systems - Ford Mustang Forums : Corral. I'm running an HEI distributer with 15 degrees base timing and vacuum advance. They recommended the 18 the most. We have little information about Holley Performance 19 360 Sniper Efi Fuel Pump Assembly Low Price. About us Holley has been the undisputed leader in fuel systems for over 100 years. I don't know for sure that the Holley setup is good, but I am pretty sure that the Atomic EFI setup is not, based on 3/3 bad experiences. Home Forums > Drivetrain & Performance > High Performance Modifications > Holley Sniper EFI kit - should I try and self install? Discussion in ' High Performance Modifications ' started by Aussie78Z28 , Aug 11, 2019. Find Holley Sniper EFI Self-Tuning Fuel Injection Systems 550-511 and get Free Shipping on Orders Over $99 at Summit Racing! Holley Sniper EFI self-tuning fuel injection systems from Holley deliver all the benefits—and none of the hassles. Holley Performance 19 360 Sniper Efi Fuel Pump Assembly For Sale. Does it cold, warm, at idle, or on the freeway — just totally random. It is a family owned business founded in 1952 by Bill Smith. 0-liter or 5. I'm running an HEI distributer with 15 degrees base timing and vacuum advance. Holley; FuelTech. Sensors; HOLLEY EFI ECU's; Digital Displays; Holley HP and DOMINATOR. I've researched it in the forum and found threads related to it but, being a wiring novice, I don't get it. Anyone have any insight as to the reason for the delay's ? I've tried calling their tech line but you can get through without lengthy wait. This is from Holley (not FAST) and is yet another product to compete with the TBI's currently on the market. com Home Forums Technical Subforums V8 5. The tunnel ram engine only has maybe 6-7 in vacuum when hot so its on the edge but has presented no real issues. 0 on hand to rewire the car to factory EFI. It's all self-tuning. Any One using Holley's sniper EFI? I have been fighting with it since May and not getting good results. The Sniper EFI Factory refurbish process starts by stripping a used or blemish Sniper EFI throttle body down to the bare casting. Planned to install on my Camaro and have since decided to go another direction. The Holley Sniper EFI master kit is the most complete EFI fuel system on the market because Holley provides you with everything to completely plumb your fuel system, including 20 feet of 3/8-inch. I have a mass air harness and A9L computer from an 89 5. First off, I was finally able to Holley Sniper EFI Review - FFCars. Holley designed an EFI system for engines over 800 hp that would typically be served by one of their Dominator 4500 carburetors. com FREE DELIVERY possible on eligible purchases. Only 5 left in stock - order soon. We have little information about Holley Performance 19 360 Sniper Efi Fuel Pump Assembly Low Price. Anyone have any insight as to the reason for the delay's ? I've tried calling their tech line but you can get through without lengthy wait. Had to replace the fuel pumps on both cars. Edelbrock is the most respected name in performance. And I felt it was easier to get the 4bbl Sniper than to swap back to a stock intake. Summit Racing carries Sniper EFI throttle body kits as well as Sniper EFI fabricated intake manifolds designed to maximize your vehicle’s power while going easy on your budget. The fuel pressure specification for the 1998 Chevrolet Silverado truck is from 55 to 61 lbs. then you can hook up to a lap top, and the gumball tfi kit goes away, and it opens up to a very controllable efi set up, with multiple features of race and performance type efi systems. Project Blasphemy 93 Mustang 540ci Twin Turbo Big Block CHEVY Formerly a 404ci. For a complete video tutorial covering all aspects of electronic timing control with a GM HEI Distributor and the Holley Sniper EFI System take a look at our. 46 has dents for TBI fittings. The Holley Sniper EFI Self-Tuning Kits feature all the benefits of EFI, a perfect option for street cars, muscle cars and off-road vehicles. All this to say Holley actually does NOT recommend this modification haha. Fuel injection, because it can be more precisely controlled, results in more efficient use of fuel, reduced fuel consumption and fewer emissions , which is the main reason it began to replace the carburetor in the 1970s. Im planning on buying a Holley Sniper efi master kit. per square inch (psi) for models equipped with the 4. Holley's tech guys have been trying to help as well but we are not making much progress. Holley is a very recognizable name in the automotive industry!. I am running a points Holley distribution (69 reman) and all is well there. Then other times it will start popping, misfiring and swinging back and forth from lean (25. EFI/Fuel Injection and Engine Control Systems (Topic list) - Chevy Message Forum - Restoration and Repair Help. I would think it will work for any type of aftermarket EFI system. Eliminate typical carburetor cold starting issues, hesitations, flooding and vapor lock. Put about 10 miles on so farhere is my take on the install and overall build quality of the unit. 96 comes with Walbro 255 and holds 20. It’s economically priced so you can have all the benefits of EFI and still have money to finish or upgrade the rest of your ride! Perfect for Full Size Jeeps, as well as nearly any carbureted vehicle. Hi ya, so did a search looking for info on the Holley sniper EFI kit. Holley Sniper EFI Electrical. Might want to go onto the Holley forums and ask "danny" (I believe that's the helpful moderator there) about your cam and the Sniper. I put my car on the chassis dyno and other than having to reducing the fuel load at idle the Sniper had dialed itself in so well no other adjustments were needed. Sourcing parts for the swap like an HEI distributor etc and a carb'd intake is not an issue as I understand that having a 4l60E ill have to keep the TPS for the tranny to work. This unit comes with everything in the box except for the fuel hose which is still on the car. Thank you for your time. It has the Holley trademark and will be supported for a long time. I spent some time cleaning up older wiring and installing the new EFI stuff. Project Blasphemy, Las Vegas, Nevada. I know they're others, like the Howell, which a lot of people seem to like especially if you need it to be emissions compliant. High flow throttle bodies wake these engines up. Even if you can. And I felt it was easier to get the 4bbl Sniper than to swap back to a stock intake. Home Forums > Drivetrain & Performance > High Performance Modifications > Holley Sniper EFI kit - should I try and self install? Discussion in ' High Performance Modifications ' started by Aussie78Z28 , Aug 11, 2019. Re: Holley Sniper EFI 2 barrel! I just finished tuning a Fitech system on a mates 542 big block mopar , it is the meanstreet 800 hp system and fuel command center. But unfortunately I came up. Well I been undecided between Fitech and Holley efi and with some of the issues Fitech efi having I decided to go with the Holley Sniper EFI , The wiring was pretty straight forward , I wanted the efi controlling the timing so I wired my 2 wire msd distributor to the efi set up with a msd 6al box , then I did my fuel system with a Holley hp billet pump 800-1290 8an feed and 6 an return. Also the Holley Sniper forum is an excellent resource. The holley forum is where you go if you want specific Holley efi answers. The one thing I liked about the Sniper over the FiTech at the same price point is the Sniper would control 2 fans where the FiTech would only do 1. If your current efi set up is set up right or if your running a carb that's set up right you may not see any improvement in mpg so I wouldn't base any decisions on return on investment based on fuel savings. Atomic EFI is part of the MSD brand which Holley took over in 2015. With the Mechanic Advisor telematics device and mobile app auto shops can connect directly to their customers' vehicles, providing remote diagnostics and service warnings based on the actual usage of the vehicle. 58X; 24X; Holley EFI Sensors. Chevy Fuel Injection Tanks. 96 comes with Walbro 255 and holds 20. After a few minor problems with the car itself and some minor tweaking , its a beast. Does anyone on here have any experience with the Holley Sniper EFI 4 barrel bolt on kit? I installed the sniper on my AMC 360 bored. Holley carburetors powered every Monster Energy NASCAR® Cup team and nearly every NHRA® Pro–Stock champion for four decades. Stock EFI or Holley Sniper EFI I'd like to return to fuel injection and ditch the carb setup as I would like to daily the car when I want to. Page 3- Holley Sniper EFI Trash Or Be Trashed. At Howell EFI, we do not make a one size fits all product line. CJ-8 Engine. 0-liter or 5. net Mustang Forum Google search. Find 132 used 1972 Chevrolet C/K 10 Series as low as $10,995 on Carsforsale. Holley® has been the undisputed leader in fuel systems for over 100 years. I completed my Holley Sniper EFI swap but don't think the geometry is correct for the AOD TV Cable shift points. I wouldnt overthink the manifold issue. Dual Sync Dist. If your current efi set up is set up right or if your running a carb that's set up right you may not see any improvement in mpg so I wouldn't base any decisions on return on investment based on fuel savings. Vintage Mustang Forums Since 2001 A forum community dedicated to vintage Ford Mustang owners and enthusiasts. Sniper EFI throttle body height is right inline with most any carb out there, holley or edelbrock, so if the air cleaner works with one of them, it'll work with the sniper. C3 Tech/Performance - FiTech Go EFI Review - I finished my install on this unit today. GMT400 - The Ultimate 88-98 GM Truck Forum. The Sniper EFI broadcasts data channels to the Holley EFI 7” Digital Dash via CAN bus connection. To install it bolts up super nice, the fuel line is about 10 ft short of what you'll need and as mentioned later, get an extra 90 elbow fitting for the efi unit intake, but aside from that this is a very complete unit. It’s economically priced so you can have all the benefits of EFI and still have money to finish or upgrade the rest of your ride! Perfect for Full Size Jeeps, as well as nearly any carbureted vehicle. 0, to the Terminator EFI to the Sniper EFI. Now, Holley EFI products power these cars and are dominating the performance world. Re: Holley Sniper EFI 2 barrel! I just finished tuning a Fitech system on a mates 542 big block mopar , it is the meanstreet 800 hp system and fuel command center. Top 10 Sniper EFI Installation Tips from Holley's Tom Kise Posted by Chris Myer 08/11/17 20 Comment(s) Holley Sniper EFI Instruction , Holley Technical Training Manager Tom Kise recently published a list of ten "suggestions" for Sniper EFI System installation and I offer them here essentially unedited. Planned to install on my Camaro and have since decided to go another direction. Fuel injection, because it can be more precisely controlled, results in more efficient use of fuel, reduced fuel consumption and fewer emissions , which is the main reason it began to replace the carburetor in the 1970s. Does anyone on here have any experience with the Holley Sniper EFI 4 barrel bolt on kit? I installed the sniper on my AMC 360 bored. FiTech EFI Tuning Forum. Welcome to the ClassicBroncos. The fuel pressure specification for the 1998 Chevrolet Silverado truck is from 55 to 61 lbs. EFI/Fuel Injection and Engine Control Systems (Topic list) - Chevy Message Forum - Restoration and Repair Help. GMT400 - The Ultimate 88-98 GM Truck Forum. Often times the term fuel pressure is used with little understanding of what it really means. Holley has designed the Sniper around Holley "plug and play" parts. Chevy Forums FREE technical assistance for your restoration and repair. It's all self-tuning. Yeah figured that also, but a seller claimed that this would make the sniper less safe than the Terminator unit from Holley. I wouldnt overthink the manifold issue. Ive been a die hard carburetor guy but I think its time to try something new. Shop for Holley Sniper EFI fuel injection kit with confidence at AutoZone. You guys even have a vendor here helping with the same thoughts above. I do hope your engine runs fine with the air cleaner on. There are known issues with the system such as the "high idle" but it is an easy fix. Holley Performance 19 360 Sniper Efi Fuel Pump Assembly For Sale. In general: Im missing why the fast unit keeps being referenced in the sniper and fitech threads. Trucks with either the 5. 0, to the Terminator EFI to the Sniper EFI. This connector will power on the dash every time the Sniper EFI is turned on. 459 likes · 7 talking about this. 9L / 300 - Holley Sniper EFI install - Hi all, So, I finally got my engine installed into my new Bronco. 96 has 40' of Earls VaporGuard and fittings (and an external pump you won't need) Sniper 1" drop base $22. Has anyone looked into or even installed the Holley Sniper 2300 EFI or the FiTech EFI version? It is for 550CFM and up. Start A New Topic Reply Printer Friendly. I initially purchased a TV cable corrector and when I overlayed it on the throttle arm, it looked like when I mount it in the TH350 hole, that. Holley Sniper EFI I was wondering if anyone has had a chance to test out the new 2Bbl Sniper EFI setup from Holley on a 258? I know there's Howell as well as the Mopar kits but this is something new and it seems like a quick and easy install. Holley® has been the undisputed leader in fuel systems for over 100 years. There is a bit of a learning curve though, fine tuning the ECU. Holley carburetors have powered every NASCAR® Sprint® Cup team and nearly every NHRA® Pro–Stock champion for four decades. EFI/Fuel Injection and Engine Control Systems (Topic list) - Chevy Message Forum - Restoration and Repair Help. Holley Performance 19 360 Sniper Efi Fuel Pump Assembly For Sale. I've been thinking about installing either a Holley or. Solving RF Interference Issues in Sniper Installations Posted by Chris Myer 05/25/17 6 Comment(s) Holley Sniper EFI Instruction , In my experience the far majority of Sniper EFI customers never have a problem with radio frequency / electro-magnetic interference (RFI/EMI). Stock EFI or Holley Sniper EFI I'd like to return to fuel injection and ditch the carb setup as I would like to daily the car when I want to. This leads to confusion with respect to injector flow rate, and people lose sight of how their injectors really work. Ive been a die hard carburetor guy but I think its time to try something new. This Master Kit is the complete system to install on. 1948 - 1956 F1, F100 & Larger F-Series Trucks - Sniper EFI - I think I have enough funds saved up to order my Holley sniper EFI kit. I really like the software used for tuning the new Holleys - they put a lot of thought into laying it out so it's easy for someone new to EFI to understand. so still dealing with this nightmare of a cam swapive stopped getting replies from comp cams tech support as im getting extremely frustrated at discovering what I was sold (a cam that will work in a stock engine to produce an aggressive idle)is not what I bought (which is a cam that wont idle below 1k rpm, and pretty much sounds like the stock cam did so far). Either way, I've fully restored this truck and plan on keeping it for a while so I've decided to ditch the TBI fuelling and go to a real EFI setup, the Holley Sniper. This is a discussion on Holley Sniper EFI within the Drivetrain forums, part of the CJ Forums category; Hi ya, so did a search looking for info on the Holley sniper EFI kit. You are currently viewing our boards as a GUEST which limits your access to viewing only. Sniper EFI I do have a couple tips for you if you're interested too. Ordered the Snipercute little display. For more information about wiring the above ignition options I recommend checking out Demystifying Holley Terminator and Sniper Ignition Hookup or referencing the official Holley Forums. My 455 has 25cc forged pistons I'm running stock 73 heads, a TA 290-94H cam and a edelbrock performer Buick 455 intake. Having spoken with other people, every efi carb replacement seems to have its issues. I initially purchased a TV cable corrector and when I overlayed it on the throttle arm, it looked like when I mount it in the TH350 hole, that. Howell Engine Developments, Inc. There are two main types of data logging: PC Data Logging, which is performed directly with a laptop computer, and Internal Data Logging, which is stored inside the ECU and later retrieved with the software. A central point of tech info and knowledge from the Holley team and Sniper EFI users. Start A New Topic Reply Printer Friendly. The products featured in this review are the FiTech 30002 Fuel Injection System and the FiTech EFI 40003 Fuel Command Center system. Sniper EFI Tuning & Tech. I got the kit, but don't need it. Testing Out The New Holley 1,500HP-Capable Sniper Dominator EFI. Holley sniper vs. I will hopefully be buying a holley super sniper in the next couple months. Welcome to the ClassicBroncos. Sale! Estimated shipping d. We install a Holley Sniper EFI Self-Tuning Kit onto a Buick 231 V-6 in a 1969 Jeepster, and show you how it’s done. I bought the master kit that has everything included. News: 73-87chevytrucks. I do hope your engine runs fine with the air cleaner on. Holley® has been the undisputed leader in fuel systems for over 100 years. Hi, I've just installed a Holley sniper efi controlling timing using msd pro billet distributor and 6al. Hi ya, so did a search looking for info on the Holley sniper EFI kit. HOLLEY 255 LPH OE STYLE EFI FUEL TANK MODULES. 8 in my restored Bayliner 2755. My Holley Sniper EFI Install. Pontiac V-8: Intake Manifold Performance Guide February 20, 2015 by Pontiac DiY An intake manifold transfers the mixture of fuel and air from the carburetor to the cylinders. Only issue is the sniper that is currently out only supports 500 HP boosted (650 NA). I got the kit, but don't need it. Holley sniper efi 2300 Bronco Chat. You can also get it in the Holley Sniper BBD Master Kit. Fuel lines are some of the most important parts of an engine. 459 likes · 7 talking about this. If you want timing control, Holley wants to sell you an MSD or Holley EFI plug and play distributor. How do i plum it into the stock tank. The Holley Sniper EFI Self-Tuning Kits feature all the benefits of EFI, and are a perfect option for street cars, muscle cars and off-road vehicles. Just wanted to tell my ez efi 2. Sourcing parts for the swap like an HEI distributor etc and a carb'd intake is not an issue as I understand that having a 4l60E ill have to keep the TPS for the tranny to work. Im planning on buying a Holley Sniper efi master kit. This is my second Sniper EFI. 9L / 300 - Holley Sniper EFI install - Hi all, So, I finally got my engine installed into my new Bronco. 95 Add to cart. Image courtesy Holley Blog. Eliminate typical carburetor cold starting issues, hesitations, flooding and vapor lock. All the runners were flow-balanced, something unheard of on a mild dual plane manifold. I did find one forum post on a hot rod site that claimed the Sniper system ran better than the FiTech it replaced. Sourcing parts for the swap like an HEI distributor etc and a carb'd intake is not an issue as I understand that having a 4l60E ill have to keep the TPS for the tranny to work. Ordered the Snipercute little display. Holley carburetors powered every Monster Energy NASCAR® Cup team and nearly every NHRA® Pro–Stock champion for four decades. Auto Performance Fuel Hoses, Lines, and Fittings. Buy Holley 550-511K Sniper EFI Self-Tuning Master Kit: Fuel Injectors - Amazon. And I felt it was easier to get the 4bbl Sniper than to swap back to a stock intake. Find Holley Sniper EFI Self-Tuning Fuel Injection Systems 550-511 and get Free Shipping on Orders Over $99 at Summit Racing! Holley Sniper EFI self-tuning fuel injection systems from Holley deliver all the benefits—and none of the hassles. The unit was on my 383 Stroker and ran perfectly one of the best additions to the car. This would consist of MSD Atomic EFI, QFT, FAST, FiTech, etc. Read honest and unbiased product reviews from our users. Holley EFI Systems - Ford Mustang Forums : Corral. The one thing I liked about the Sniper over the FiTech at the same price point is the Sniper would control 2 fans where the FiTech would only do 1. 1973 - 1979 F-100 & Larger F-Series Trucks - Ford 400 Holley Sniper EFI - Anyone ever ran a Holley Sniper EFI on a stock 400? It’s rated for a minimum of 250 hp. Holley carburetors have powered every NASCAR® Sprint® Cup team and nearly every NHRA® Pro–Stock champion for four decades. 96 comes with Walbro 255 and holds 20. Holley now has an in tank fuel pump, gauge sending unit option for the 15 gallon tank. I am new to this site. I already wanted to do timing control anyways so I'll be contacting you about one of those Holley EFI dual sync. All the runners were flow-balanced, something unheard of on a mild dual plane manifold. Thanks Greg. 060 over making it roughly an 371 ci. Only issue is the sniper that is currently out only supports 500 HP boosted (650 NA). FiTech EFI fuel injection is produced by the number one and America's oldest speed shops, Speedway Motors. Holley Sniper EFI Electrical. Model specific subject matter experts, classified ads and more. And if picking a system to use, if the Terminator software is anything like the new Holley Dominator and HP systems, that would be my preference. 0 on hand to rewire the car to factory EFI. Sniper EFI products are part of the Holley Performance family and offer economically priced self-tuning fuel injection systems. Put about 10 miles on so farhere is my take on the install and overall build quality of the unit. 58X; 24X; Holley EFI Sensors. As for Holley horror stories, you can find bad info on everything. Start A New Topic Reply Printer Friendly. Does anyone on here have any experience with the Holley Sniper EFI 4 barrel bolt on kit? I installed the sniper on my AMC 360 bored. There is plenty of information online in forums and you tube should you have any problems. 0 at some point, but a new opened but unused Holley Sniper popped up for a low enough price that I couldn't ignore it, so it seems the BBC will be hanging around for a while longer if it doesn't grenade randomly. 9L / 300 - Holley Sniper EFI install - Hi all, So, I finally got my engine installed into my new Bronco. My hope is also that should any tech help be needed, they'll better handle it, since that is/was the general consensus when Googling around about Holley technical support. We need a carb or EFI for the new motor in the blue car. Throttle response is very snappy and I noticed an improvement in fuel mileage of 3 mpg. You guys even have a vendor here helping with the same thoughts above. I do hope your engine runs fine with the air cleaner on. Suite A • Riverside, CA 92503 • 951-340-2624 • SITEMAP •. com : Factory Five Racing Discussion Forum. Chevy Forums FREE technical assistance for your restoration and repair. I just ordered mine from summit 2 days ago it is on the way to me I am gonna try to get it installed this weekend I had to order the parts separate and I got the last fuel system kit they had in stock lol. My only question is. Holley now has an in tank fuel pump, gauge sending unit option for the 15 gallon tank. Holley is putting much more development into Sniper EFI. Holley; FuelTech. I dont think there is a great deal of difference between the likes of Fitech, Holley sniper etc. You can use the master kit and mount the pump on the frame rail, but even Holley suggests an in-tank pump. Eliminate typical carburetor cold starting issues, hesitations, flooding and vapor lock. 8 in my restored Bayliner 2755. 95 Add to cart. And I felt it was easier to get the 4bbl Sniper than to swap back to a stock intake. com offers select, high quality parts for sale that help fund this website and Forum. Buy Holley 550-511K Sniper EFI Self-Tuning Master Kit: Fuel Injectors - Amazon. Is it already too much out of the box since the factory 2300 is 500CFM? Just doing some discovery before I buy it, or consider buying it down the road. Edelbrock is the most respected name in performance. I put my car on the chassis dyno and other than having to reducing the fuel load at idle the Sniper had dialed itself in so well no other adjustments were needed. This unit comes with everything in the box except for the fuel hose which is still on the car. Throttle response is very snappy and I noticed an improvement in fuel mileage of 3 mpg. 3-liter V-6. Sounds like an easy set up and seems to have goo experiences out of the box. I saw the 408 on you tube had no air cleaner on it. I think it is time for EFI. The price point and performance of the Atomic is similar. One had 76k the other had 90k. 58X; 24X; Holley EFI Sensors. This Master Kit is the complete system to install on. Holley has been the undisputed leader in fuel systems for over 100 years. These “Monoblade” flow 1000 CFM to match Mercury’s 525HP EFI engine. Looking to switch to EFI from MC2100 on my 4. Now, Holley EFI products power these cars and are dominating the performance world. Holley/MSD is pleased to announce the release of Sniper Stealth 4500 EFI Systems, which are capable of supporting up to 1,500 horsepower for naturally aspirated engines and 1,250 horsepower for forced-induction applications (comes with a 2. 459 likes · 7 talking about this. The one thing I liked about the Sniper over the FiTech at the same price point is the Sniper would control 2 fans where the FiTech would only do 1. 0+) to rich (9. I've decided to go with them after reading about all the problems fitech has had and the poor tech support, plus the sniper has software you can download on a laptop and make way more adjustments than just on the hand held. Well I been undecided between Fitech and Holley efi and with some of the issues Fitech efi having I decided to go with the Holley Sniper EFI , The wiring was pretty straight forward , I wanted the efi controlling the timing so I wired my 2 wire msd distributor to the efi set up with a msd 6al box , then I did my fuel system with a Holley hp billet pump 800-1290 8an feed and 6 an return. I bought the master kit that has everything included. Sniper now has an EFI system that’s a direct bolt-on replacement for the BBD carb on Jeep CJs with the straight-six 258. Buy Holley 550-511K Sniper EFI Self-Tuning Master Kit: Fuel Injectors - Amazon. Holley came out with the Sniper EFI 4150 not long ago, and it made quite a splash. Holley Sniper EFI Discussion in 'Engine Performance + Maintenance' started by Overtime, Oct 14, 2018. I know they're others, like the Howell, which a lot of people seem to like especially if you need it to be emissions compliant. Find 132 used 1972 Chevrolet C/K 10 Series as low as $10,995 on Carsforsale. 3-liter gasoline engine will feature a cam-in-block design, which is a solid 180-degree change from the Blue Oval’s noted embrace of the overhead cam V8 engine architecture. Hardin Marine has taken your factory Mercury Racing EFI throttle body and combined their precision machining and tuning experience into a power producing option for all Mercury 500/525 EFI applications. Said it performs 99% as good as the GT350 for a fraction of the price. Thank you for your time. Edelbrock has been delivering the best combination of dyno proven electronic fuel injection performance for over 40 years. This process ensures that our factory refurbished Sniper EFI systems are just as reliable as a new unit off the shelf. Sensors; HOLLEY EFI ECU's; Digital Displays; Holley HP and DOMINATOR. Holley apparently moved the date to sometime in september. Put about 10 miles on so farhere is my take on the install and overall build quality of the unit. I've read most of the posts here about carb-to efi conversion kits and even though the majority of the posts were about the FiTech system, lately I've been contemplating the soon to be released on 06-15-2016 HOLLEY SNIPER EFI self-tuning kit. EFI makes more sense since I want to go boosted. Well I been undecided between Fitech and Holley efi and with some of the issues Fitech efi having I decided to go with the Holley Sniper EFI , The wiring was pretty straight forward , I wanted the efi controlling the timing so I wired my 2 wire msd distributor to the efi set up with a msd 6al box , then I did my fuel system with a Holley hp billet pump 800-1290 8an feed and 6 an return. I completed my Holley Sniper EFI swap but don't think the geometry is correct for the AOD TV Cable shift points. I've looked at everything from the EZ 2. Sounds like an easy set up and seems to have goo experiences out of the box. Holley Sniper will now compete with FiTech's price but with the Holley name. Chasing that down I opted to start playing around on the laptop with the Holley EFI software and with the help from guys on the EFI forum I've been able to get the A/F tables and acceleration. Is it already too much out of the box since the factory 2300 is 500CFM? Just doing some discovery before I buy it, or consider buying it down the road. Re: Holley Sniper wiring with Vintage Air I didn't use any of the a/c options on my holley efi, but I thought the instructions were pretty good in that area. The overall general consensus on the Holley EFI forum is that the Holley EFI software settings for the sniper/dominator are overly rich to begin with. The Holley Sniper EFI Self-Tuning Kits feature all the benefits of EFI, and are a perfect option for street cars, muscle cars and off-road vehicles. Holley's tech guys have been trying to help as well but we are not making much progress. Input: Holley Sniper EFI Vs FI Tech The 1967 Check out the Holley forum people are starting to post the sniper installation issues and reviews on it. Permalink Printer Friendly. This leads to confusion with respect to injector flow rate, and people lose sight of how their injectors really work. Msd atomic Hello I was looking at these two efi systems for my 1968 mustang and was wondering if there are any real differences between them besides the huge price difference. One wagon and one sedan. Image courtesy Holley Blog. Carburetor vs Fuel Injection: Pros and Cons Emissions and fuel economy. Holley Sniper EFI Discussion in 'Engine Performance + Maintenance' started by Overtime, Oct 14, 2018. Thanks again. My 455 has 25cc forged pistons I'm running stock 73 heads, a TA 290-94H cam and a edelbrock performer Buick 455 intake. I will hopefully be buying a holley super sniper in the next couple months. So if something goes wrong it’s on the user/installer. So, anyone running the Holley Sniper EFI on thier engines? Does it work good? Any changes needed to make it run other than the O2 location in the manifold? Thinking of upgrading for one on my OMC 5. I have just installed a Holley sniper 2300 efi throttle body to my pinto stock down draught manifold.
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