ok everything is ok now after some emails. So you're ready to switch from carburetor to fuel injection, but you're unsure of what all is involved. With the sniper 550-511k kit, I have a 1980 Pontiac Trans Am with the 4.9Liter Turbo. The main challenge is getting it learned but once she has learned the table this is a awesome kit.
Includes complete fuel system consisting of; 20ft of 3/8 Vapor Guard Fuel Hose, Fuel Pump, Filters, necessary hardware and bulkhead fitting to return fuel into the tank! For all standard applications, it is recommended to use a 3/8" fuel injection approved hose for your supply and return plumbing. It's the 2300 2 barrel self learning kit. Estimated International Ship Date:
if ordered today, 3.75 out of 5 stars
Brand New. I installed it on my 66 FE390 Fairlane GT and have a hundred miles on it now.
The install video was much more helpful to me than the written instructions. The product description on the Holley site states, "Includes complete fuel system consisting of 20ft of 3/8" Vapor Guard Fuel Hose, 12-920 Fuel Pump, Filters, necessary hardware and bulkhead fitting to return fuel into the tank !" Mar 20, 2023
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Let's take a look at the items that would need to changed or can handle the higher pressure. (Battery +, Battery - , Switched Ignition & RPM). Estimated International Ship Date:
By derek o on February 15, 2018 | Verified Owner. Sniper EFI 4150 Four-Barrel. Included clamp-on oxygen sensor kit ensures a leak free oxygen sensor installation, with Stainless Steel T-Bolt clamps and a Stainless Steel (Weldable) oxygen sensor flange. Must be used.
The 12-270 supports over 1000 hp Compatible with Gasoline or E85 . $119.99. We have a great online selection at the lowest prices with Fast & Free shipping on many items! The software is free to download and very easy to use. x 20 ft. Holley carburetors operate at a range of 5.5 to 7.5 psi of fuel pressure and use a 40 micron filter.
Im still dialing in the sniper. WARNING: It is against the law to install this part on an Emissions Controlled Vehicle, What micron is the pre filter and what micron is the post filter? ( 34 ), Fuel Injection System, Holley Super Sniper 650 HP, 4150 Flange, Self-Tuning, Black Throttle Body, Kit, 5.0 out of 5 stars
Sniper Fuel Line Size. 406 SBC with progressive single stage of nitrous Dart SHP block, Dart Pro1 heads, Holley Sniper EFI with HyperSpark, Comp Cams, NOS cheater plate with powershot solenoids. COMES WITH: Mounting Hardware.
- NO laptop required!
$78.81. I got the master kit and was very easy to install.
Included clamp-on oxygen sensor kit ensures a leak free oxygen sensor installation, with Stainless Steel T-Bolt clamps and a Stainless Steel (Weldable) oxygen sensor flange. Self-tuning ECU means you dont have to be a computer/tuning wiz to have EFI! Estimated International Ship Date:
Unless you have swapped intake manifolds to a 4150 intake. when the pump is max en the carb is blokking we think we need a other hose the r9 4.8 out of 5 stars . Size Selection. In order to get a proper estimate, we need a little more information from you. Apr 3, 2023
Enter The 2023 LS Fest West Trip Sweepstakes Today And Join Us In Las Vegas! Injectors, Kit, 4.6 out of 5 stars
I'm running a Ls2 carburetored motor with Brian Tooley stage 4 cam, ported and polished heads and intake by Kimm Barr in Garland, Texas. The included fuel system places a 340LPH fuel pump in the tank, which can easily be accomplished with basic hand tools. The first time Holley took it back and worked on it and sent it to me, and about 6 months later started having a problem again, now keep in mind this is like 2 plus years after I bought it. .
Holley EFI offers several different MAP sensor options for various applications: Forced Induction Engine:
( 80 ), Fuel Injection System, Holley Sniper EFI, Self-Tuning, Master Kit, Gold Throttle Body, Kit, 4.51 out of 5 stars
By simply adding a 'K' to the end of the part number the EFI system would include absolutely everything the owner would need to install a complete inline EFI fuel system, including the pump, filters, 20 feet of Earl's Vapor-Guard hose, fittings .
888 W. Queen Street Southington, CT 06489, Toll Free (Continental USA) 1.866.337.2739 International: 860.621.4567.
many thanks. We have three options when it comes to high pressure pumps: Fuel Line: Unfortunately that 5/16" rubber line with a rusty hose clamp will not live up to the pressure requirements of your new electric pump.
We choose Earl's Vapor Guard EFI Hose . If you are seeking to utilize ignition timing control, then we recommend using one of our Holley EFI Dual Sync Distributors. OEM Style TPS/IAC and Fuel Pressure regulator, for years of dependable service.
( 2 ), Estimated Ship Date:
Do I still need the holley 12-753 30 amp relay .
Size, Socketless Barb, -6 AN Female Threads, Aluminum, Black, [4] Earls Fitting, Adapter, AN to Tubing, Straight, Aluminum, Black Anodized, -6 AN, 3/8.
By Brandon S on February 16, 2018 | Verified Owner. The following vehicles are considered Uncontrolled (Non-Emissions Controlled) Vehicles: WARNING: It is against the law to install this part on an Emissions Controlled Vehicle.
Stay Updated with Emails from Summit Racing. Summit Racing carries Sniper EFI throttle Sniper EFI products are part of the Holley Performance family and offer economically priced self-tuning fuel injection systems. I wish it came with fuel pressure gauge and a tune for higher altitude as I live 7000 above sea level.
By steven v on February 15, 2018 | Verified Owner. Connects directly to battery positive terminal - CONNECT LAST, Connects directly to battery negative terminal - CONNECT LAST, Engine Speed Input (ONLY FOR USE WITH COIL (-) IGNITION SETUP), Optional - Connect to aftermarket tachometer, Optional - Connect to Holley EFI Analog Gauges (using 554-130 Module), Optional - Used for programmable 0-5V sensor input, Optional - Used for programmable ground output. In addition to your Holley 2300 Sniper Kit you will want to order the 12-130 HOLLEY IN-TANK RETROFIT FUEL MODULE $501.95. This will be awesome! I had one of the kits had the IAC motor fail but they sent me a new motor with no problems. Use our simple CFM calculator to learn what CFM you need: You should stay as close as you can to this CFM and should go no more than 50 CFM in either direction. Diameter, 15 ft. Thats why Summit Racing Equipment carries a wide variety of fuel line kits to hook up everything from the tank forward. ( 10 ).
Dual Pattern bolt on carburetor replacement, designed to fit 4150 Flange & Spread Bore manifolds - (Spread Bore Sealing Plate Part #9006 is recommended).
5bar (520kPa) up to 73.5 PSI of Boost
This kit is recommended for pump or race gas use only. The 4150 manual used to say the minimum feed size is 3/8" with a 5/16" return line. So there needs to be a transition to the smaller return size somewhere. Stay up to date with the latest releases, events, promotions and more. Estimated International Ship Date:
Buy Holley 550-511K EFI Self-Tuning Master Kit: Fuel Injector Kits . -Cut up and used a 3/8 fuel hose to protect the fuel pump hardline where the straps go over it and where it gets close to the tank. Does this kit include wiring for the electric fuel pump including relays? info@redlinelandcruisers.com Contact us on IH8MUD If you have any issues the first question techs will ask you is whats you fuel press?
+84 79 555 8999. thammymimosahanoi@gmail.com.
( 4 ), Fuel Injection System, Holley Sniper EFI, Self-Tuning, Master Kit, Polished Throttle Body, Jeep, CJ, L6, 4.2L, Kit, 4.83 out of 5 stars
Supports up to 500hp with Four 100 Lb/Hr Injectors! Jul 3, 2023, Fuel Injection System, Sniper Stealth 4150, Up To 650HP, Gold Throttle Body, Four 100 lbs./hr Injectors, Kit, Fuel Injection System, Stealth, 4150 Flange, Black, up to 650 hp, 870 cfm, Four 100 lbs./hr. ( 173 ), Estimated USA Ship Date:
The other was to be sure the pump is mounted to the bottom of the tank for best performance. The following vehicles are considered Uncontrolled (Non-Emissions Controlled) Vehicles: WARNING: It is against the law to install this part on an Emissions Controlled Vehicle. The secret to Earl's Vapor Guard hose is in its layers. This complete kit was very easy to install and tune. 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.
Holley Sniper EFI Self-Tuning Master Kit - Black Ceramic Finish; Holley Sniper 4 Barrel Fuel Injection Conversion - Self-Tuning Master Kit + Handheld . You can order this part by Contacting Us. Blow-through applications will require the use of an external boost referenced regulator (example: 12-848). if ordered today. Holley should redesign some of the harnesses and modules needed for my type of setup and make it more streamlined. Sniper EFI throttle bodies require 58-60 psi of fuel pressure and a 10 micron filter. If you are an international customer and would like to change the currency that prices are displayed in, you can do so here. I am not sure at what point they stopped providing these parts in the kit it was just something I did not expect to chase down after getting into the install (Holley you should put some notes on your install videos indicating that the linkage parts / brackets and electrical connectors are no longer provided). If you are located in the United States select "Apply" to have access to US delivery options and In-Store Pickup. Installation of the kit itself was pretty easy. Estimated International Ship Date:
Sniper EFI 4BBL Master Kits with Fuel System, Holley EFI CAN to USB Dongle - Communication Cable, Earl's -6 AN Male to 9/16"-18 (AN6) O-ring Port, Hooker BlackHeart Oxygen Sensor O2 Bung 2.5" Clamp-On Style, Hooker BlackHeart Oxygen Sensor O2 Bung 3.0" Clamp-On Style, Hooker BlackHeart Oxygen Sensor O2 Bung 2.25" Clamp-On Style, Throttle body mounted ECU no extra boxes to mount. Some parts are not legal for use in California or other states with similar regulations. ( 5 ), Fuel System Plumbing Kit, Fuel Pump to Carburetor, -6 AN Braided Flex Line, 3 ft. Crazy but the idle sounds in no way as radical or, weird enough,loud.
so you can easily add a fuel pressure gauge if needed, (See P/N's 900019 or 900020). Thought it was going to be a huge hassle to install, but thanks to holley detailed install instructions it turned out to be pretty easy to install. ECU: Boost Control: Yes: DIS Outputs: None: Family: Sniper: Fueling Strategy: Speed Density: Includes Power Harness: Yes: . Sniper EFI 4BBL Master Kits with Fuel System, Holley EFI CAN to USB Dongle - Communication Cable, Earl's -6 AN Male to 9/16"-18 (AN6) O-ring Port, Hooker BlackHeart Oxygen Sensor O2 Bung 2.5" Clamp-On Style, Hooker BlackHeart Oxygen Sensor O2 Bung 3.0" Clamp-On Style, Hooker BlackHeart Oxygen Sensor O2 Bung 2.25" Clamp-On Style, Dual Pattern bolt on carburetor replacement, designed to fit 4150 Flange & Spread Bore manifolds - (Spread Bore Sealing Plate Part #9006 is recommended), Throttle body mounted ECU no extra boxes to mount.