Holley sniper fuel line diagram. Sniper EFI Tuning & Tech.

Holley sniper fuel line diagram Connect the brass TEE fitting to the fuel filter fitting installed in the inlet port of the fuel solenoid using the auxiliary fuel hose and fuel hose clamps. be/sHj4rndpxAEAffiliate links:K&N Air Fil With the original tanks we tried to bung them together in order to use one in-line exterior fuel pump. Disc Brake Conversions. 3. The Holley (Earl's) vapor guard hose comes in 3/8" & 5/16". Holley. Then I bought the Holley 534-38 dual fuel kit made for this application. The "package" my son purchased did not come with a fuel pump regulator, just the Holley in line fuel pump. Holley continues to be the leader in fuel system development to make your life easier! The new Holley EFI Filter Please consult the Holley Sniper full manual and use this guide for supplemental clarification. I'm going to send an email to Blueprint for answers, but I figured that Sniper EFI System Nitrous Wiring. It is designed to work in-line, not inside the tank, so installation is a snap. 200" forged pistons, Trick Flow Twisted Wedge 11R 205 CNC Comp Ported heads, 12:1 compression ratio, 232°-244° duration/. I've plumbed my fuel delivery for the Gen3 Coyote (255lph in-tank pump, 3/8" feed and return lines, and Aeromotive return-style FPR on the firewall), and I wonder if this setup would still work for a 347 or even a 427 from BPE with the Holley Sniper 2 EFI setup they build their When switching your 1978-1988 GM G-Body to EFI, you will not find an easier way to upgrade your fuel system than our OE Style 350 LPH EFI Fuel Pump Modules. Summary of Contents for Holley Sniper EFI 550-510. Reference Figure 6 for plumbing diagrams and recommended fuel system components. On my friend's '66 Charger, we used a HyperFuel 40004-9 (Fuel Tank Return Line Bung). Connect fuel feed and outlet to fuel regulator hose. See Figure 3 for diagram of vacuum ports. For best results, mount the relay as close as possible to the electric fuel pump. Billet fuel rail kit includes both rails, Many people warn about excess fuel aeration if the fuel returns above the surface level of the gas tank. 7. Plug fuel pump relay harness into the relay until it locks into place. The inlet and outlet are indicated in Fuel Fitting Overview below. It's returnless, I can take out the internal pressure regulator to get the required pressure for the Sniper, but does the Sniper kit require a return style pump? Any fuel lines between the tank and the Sniper will need EFI compatible hose or steel lines. Log in. 623" lift/114° LSA H/R camshaft, It's harder than it looks. Shop Fuel Injection Feed Lines at Summit Racing. NOTE: Wire each pump via the above diagram. I would like a steel braided hose because at the track, they say Sniper EFI Tuning & Tech. However, for individual requirements, it may be readjusted. 526-5 is intended to be Fuel Line Installation With the fuel pump, filters, and bulkhead fitting all in place. View and Download Holley Sniper EFI 550-849 installation manual online. Fan & Fuel Pump. See Figure 5 for a visual of all 4 ports that can be used for fuel inlet and outlets. Yes, your fuel tank needs to be vented. Drums Shoes and Hardware. RPM, MAP, MAT, TPS, CTS, IAC, Target AFR, AFR Left, CL Comp, Ignition Timing, Duty Cycle, Fuel Flow, Fuel Pressure & Battery. It didn’t work. Login or Sign Up Logging in Remember me. The Sniper-2 EFI HyperSpark Ignition Bundle is available with or without a fuel system. If more than 20 ft. I understand the basics of the wiring needed, but would love to find an actual diagram to work from before I do it. Description 1 Dashpot Nut 2 Dashpot Assembly 3 Da shpot Bracket Screw 4 Dashpot Bracket 5 Throttle Lever Extension Screw 6 Throttle Lever Extension Nut 7 Lockwasher Extension Nut 8 Throttle Lever Extension 9 Solenoid Bracket Screw 10 Solenoid Bracket Screw 11 Solenoid Bracket 12 Solenoid Assembly Fuel line kit is for use with Holley Sniper Stealth 4150 throttle bodies. '92 Ford Mustang GT: 385"/6. Page 30 MSD (Mag) Distributor w HyperSpark Ignition for Sniper EFI; Also in Ignition. The Sniper has four large injectors, fuel return flow can be significant at low throttle. Any help greatly appreciated. com If you need a fuel pump "test" or "prime" function like I do, just wire an SPDT pushbutton switch to the small blue wire (common to the ECU, NC to the Holley fuel pump relay, and NO to ground). Holley offers Sniper 2 EFI kits that include a complete fuel system, eliminating the hassle of selecting individual fuel system components. Fuel issue, crank issue & direction question. Crank Triggers; Electronic Conversion Kits; Heat Shielding; Ignition Coils; Brake Hoses and Lines. If need be there is the optional trail fix, swapping the fuel lines since I have the pumps right next to each other. Connect the Green/Black wire to a switched 12V source. Plumbing Safety Instructions: Once the feed and return plumbing connections have been made, be sure to follow the following instructions to ensure there are no leaks. 5 INTRODUCTION & SYSTEM REQUIREMENTS Holley Performance Products has written this manual for the installation of the Sniper EFI TBI fuel injection system. The 12-920 is rated for New Sniper unit. Technical Support: 1-866-464-6553 199R11469 REV G Date: 1-9-20 . The kit includes the tank, a 255 lph fuel pump, Cataclean - Fuel and Exhaust System Cleaner; Motorcycle and Powersports; Gauges and Gauge Accessories. Fuel injection (75 pages) Automobile Accessories Holley Sniper EFI 550-849 Installation Manual Used for various throttle and/or transmission Kickdown I’m installing a Holley Sniper EFI system with a new Tanks fuel tank,with in tank pump on my 57. Sniper EFI 550-849 automobile accessories pdf manual download. Categories / Gauges and Gauge Accessories Avoid using any 90 degree fittings between the tank and pump. Author: Matthew A. E. Using the handheld touchscreen monitor you can even program and set target air fuel ratios per boost level! A 2. I was wrong. Some Watch how to install and troubleshoot the return line for Holley Sniper EFI fuel system. What are people using for a fuel log? Or no fuel log and just run a tee after the regulator and attach fuel lines to carb? (The second option of no log is what was on the Holley test dragster, but it looked like one of the lines attached to the Sniper was a The other day I helped a neighbor with a Sniper install. I have the new rubber fuel supply line running next to the old stock steel line, along the outside frame rail. I need to decide to go with either a return style fuel system (PN 19-165) which requires a new tank (costs more) or a returnless retrofit system (PN 12-300). This basic manual contains the information necessary for the installation of the throttle body, The Sniper EFI system requires a return fuel line to the fuel tank. This Holley fuel line is designed for use on Holley dual feed carburetors. New Sniper install. When converting your fuel system to a return style EFI setup, the biggest challenge can be plumbing the fuel lines. If you would like to “Dual Feed” fuel to each fuel rail, that is acceptable also. The regulator comes from Sniper with the regulator pressure preset (see table). 5mm hard line ID okay for the main line to the front, or do I The 12-920 universal in-line fuel pump is intended for Throttle Body EFI, Multipoint EFI and Forced Induction Multipoint EFI systems. The regulator comes from Holley with the regulator pressure preset (see table). If the motor needs rebuilt, why not find a good used SBC 350 and put a Holley Sniper on that. The following PLEASE CONSULT HOLLEY TECH SERVICE OR A QUALIFIED MECHANIC. BE SURE TO CRIMP OR SOLDER ALL I'm preparing to install the Holley Sniper fuel injection system, along with a new fuel tank that includes an in-tank, high pressure fuel pump. IMPORTANT! Holley Sniper EFI FUEL INJECTION INSTALLATION MANUAL Read this manual before using this product. I used it for 10 years; never gravity fed. The pump should be capable of supplying 255 liters/hour or 400 lb. Sniper EFI Tuning & Tech. If connecting to factory vehicle fuel hard lines make sure that any rubber hose and clamps used are rated for EFI pressures. Choose a location where the primary fuel line is to be tapped. NOTICE: I'm on vacation from Saturday July 20, until Tuesday July 30. Page 11: Sniper Efi Master Fuel System Install Fuel Pump and Filter Installation NOTE: If you Page 1 Sniper Stealth 4500 (550-841 Shiny, 550-842 Black, & 550-843 Gold) Holley Sniper EFI FUEL INJECTION INSTALLATION MANUAL; Page 2 Failure of any one component does not constitute, nor does it justify, warranty of the 6. Holley does it again with their new die cast aluminum fuel pressure regulators. The same Holley quality that you expect at a price point that every budget can handle. These The Sniper Stealth EFI System is the great choice for carbureted vehicles that want to experience the benefits of Fuel Injection without giving up the classic look of a Holley Carburetor. Having Doug ther Sniper 4150 Return Line 11-30-2020, 09:33 AM. Technical Service: 1-866-464-6553 www. View All. He bought all the Sniper components - Sniper 4150, in-tank pump, HyperSpark ignition box, distributor & coil. The illustrated diagram below is intended as an Reference Figure 3 & 4 for plumbing diagrams and recommended fuel system components. 623" lift/114° LSA H/R camshaft, Steel braided cross-over fuel line, configured with (AN-8) fittings (4) Fuel Rail Fittings (AN-8) (see the following tightening sequence diagram), until manifold is seated on the mounting flanges and the O- proper orientation for the fuel rails is with the Holley Sniper logo facing outward. Pushing the button with the key on will run the pump for testing/priming. My approach leaves the RF circuit in tact and unused by simply tapping the Sniper fuel pump control wire to the fuel pump positive wire. Calipers. NOTE: Holley does not recommend union or I am looking to install the Holley Sniper EFI on my 1970 GTO 400ci but have a question about the return line size. This line will be high pressure fuel until it Currently installing a Holley Sniper EFI system on a 1983 Jeep CJ7 with 258 inline 6. The point is, the Holley EFI fuel system must have some means of return fuel via a FPR, not dead-headed (which some Sniper users have mistakenly thought). Do we need a regulator? I would guess yes but not sure why the FUEL PRESSURE GAUGE (S) WHEN ADJUSTING THE FUEL PRESSURE REGULATOR. com! Thanks, but that is not what I asked. When upgrading your vehicle’s fuel system, ensuring a correct electrical setup is critical for optimal performance. s/parts/12-753 (Holley 12-753 Fuel Pump Relay Kit I already have the Holley 19-365 in tank pump for carb setups. Holley says it needs to be a 5/16 return line, however all the sending units come with 1/4, Is this critical? I know Although Holley employees will take part in answering questions from time to time, your questions may or may not be answered by Holley personnel. 4. Corvette filter/regulator, my fuel line is almost all 3/8" hardline; and the 255 LPH Walbro pump. Using the Holley EFI software (LINK), look at where the live cursor moves to during this occurrence, and manually tune that area of the Base Fuel Table (enrich or lean) & Base Timing Table (optimize ignition timing). Without it, the needle jumped around like crazy. Holley 12-848 or 12-851 are the recommended bypass fuel pressure regulator based on how much HP the application makes. The Sniper EFI system requires a return fuel line to the fuel tank. They ideal for applications with large fuel injectors and high volume fuel pumps. We That diagram is incorrect for the Corvette filter/regulator. This 4-barrel system features a dual pattern bolt on design built to fit 4150 flange & spreadbore manifolds and made for those who are looking to make big power out of their vehicle. HyperSpark Ignition for Sniper EFI; Also in Ignition. Brake Light Switches. No. NOTE: If you have dual fuel tanks, you must purchase Holley PN 534-38. We recommend at least a 3/8” feed line and 5/16” return line. Review the install drawing on pages 2 and 3 for a typical installation of the Sniper 2. I had remote mounted the fuel pump relay to the trunk near the battery. Connect the other line per Figure 2 or 3. Obviously, the fittings should be the same size as the fuel line. Description Ref. This article provides step-by-step instructions and helpful tips for a successful installation process. We recommend placing the fuel pressure regulator after the Sniper EFI throttle body like shown in the Fuel System Plumbing Overview Diagram. 4150 3. Installing the fuel pump in the tank results in quieter operation, less chance of cavitation and a reduction in pump (534-38 – for all Holley® MPI / TBI / Terminator EFI systems up to 600 HP) This kit is designed to allow the use for all Holley® MPI / TBI / Terminator EFI systems on vehicles equipped with dual fuel tanks. It is a unique device, rather ingenious frankly, it mounts back by the tank and has three ports - one is the input from the pump, the two on the other side are the feed Holley Fuel Injection System, Holley Sniper 2 EFI, Self-Tuning, Black Throttle Body, up to 650 HP, Kit Part Number: HL550-511-3XX. All the lines 7. The module has been designed with a 340 LPH (liters per hour) Sniper fuel pump Boosted Applications, it is mandatory to use an external fuel pressure regulator and cap the Sniper EFI regulator port off. But when I ordered 3/8" aluminum hard line, its OD is 3/8" and ID is 5/16". Sosa Cataclean - Fuel and Exhaust System Cleaner; Motorcycle and Powersports; Gauges and Gauge Accessories. Too much fuel pressure for a given needle and seat assembly can HyperSpark Ignition for Sniper EFI; Also in Ignition. Connect the Black wire of the harness to ground. 10 OXYGEN SENSOR INSTALLATION Dual Inlet -6 Dual Feed fuel line for 4150 Holley Carburetors. Brake Hub Assemblies. NOTE: This Sniper EFI Fuel tank is designed to be a replacement for engine swap applications. any sources of heat or spark while working on your fuel tank. My existing fuel line runs from the gas tank along the outside Sniper EFI fuel gauge senders are a big help during your installation. Page 1 550-510, 550-511, & 550-516 QUICK START MANUAL SNIPER EFI INSTALLATION INSTRUCTIONS Congratulations on your purchase of a new Sniper EFI Throttle Body System . #30 goes to battery through a fuse, #87 goes to the positive side of the pump, pump ground should go to battery ground. NOTE: On carbureted systems, any change made in fuel pressure will change the fuel bowl float level requirements. a. 19 In Stock - In store & online ignition box and A returnless fuel system uses one line to deliver fuel from the tank to the engine and relies on the ECU to control the pump and vary pressure as needed. If using an in-line fuel pump, there should be a coarse pre-filter before the pump. I'm currently using a Sniper EFI Fuel Tank and a Holley 12-875 Fuel Filter Regular. When I got there, it wouldn't fire. Connect the black wire of the harness to ground. May God's grace bless you in the Lord Jesus Christ. The holley site for the 2GC instillation says to not route the fuel return line to the charcoal canister. The filter regulator is mounted back by the tank and returning the fuel there and eliminates the need to run a return line from the engine compartment. regulator and lines, be sure each component is designed to perform at high pressure. Good morning, folks! I'm pivoting from a Gen3 Coyote to a SBF setup, likely from BPE. All purchased through Wild Horses. Holley Performance Products has written this manual for the installation of the Sniper EFI TBI fuel injection system. I used the same as you. The 526-7 kit includes the hose and fittings necessary for a return line installation on most vehicles. Can anyone tell me or show a picture of the factory wiring locations on the relay. The stock line is 3/8”, but I was jacking up each side of the body (one side at a time) to clean and paint the frame and run a new brake line and and rear fuel injector covers. Remove the return line outlet fitting to expose the regulator as seen in the diagram below. In this type of 4. Free Shipping - Holley Sniper EFI Stealth Fuel Crossover Kits with qualifying orders of $109. The 526-7 kit includes the hose and fittings necessary for a return line Holley Fuel System Qty P/N Description 1 12-868 Holley Dual Fuel Pump, 160GPH 1 12-872 Holley Fuel Pressure Regulator 1 162-570 Holley Fuel Filter - Post Avoid routing fuel lines in areas that would cause chafing. This easy-to-install system is self tuning--no computers Holley Sniper QuadraJet EFI, Holley 12-875 Filter Regulator & Single Line 08-13-2020, 11:51 AM. FUEL LINE FITTINGS Like the fuel line, fuel line fittings are also a very important element in the total fuel line system and should not be overlooked. of fuel at the Terminator X system requirement of 60 PSI. Understanding the Vacuum Line Diagram The above fittings are for a 5/16" or 3/8" hard fuel line to -6AN. The complete fuel system consists of 20 feet of 3/8-inch Vapor Guard fuel hose, a fuel pump, a fuel pressure regulator, filters, necessary hardware, and a bulkhead fitting to return fuel into the tank. I'm currently running a carbed 302 and am considering replacing the carb with a Holley Sniper EFI system. Trim the Return (R) and Supply (S) tubes to the lengths I've watched the recent sniper install video from Holley and it say's the minimum fuel line size is 3/8" for supply & 5/16" for return. 1. The 550-870K, 550-871K, and 550-872K fuel injection systems include the complete fuel system. NOTE: These Holley fuel pump requires the use of a bypass style fuel pressure regulator Avoid exposure of the pump and fuel lines to moving parts and to any hot areas, such as the exhaust manifold. I was on the Holley site looking up another diagram and decided to double check myself. Once all fuel line connections have been made, re-connect the battery, fill the tank with gas, energize the unit, and Hi guys, I'm having trouble finding a diagram to hook these features up. 1” = Return Line 2. The Super Sniper 1250 is Just understand that you will now have two relays in the fuel pump circuit. Once the injectors are inserted into the It also has a steady supply of the liquid gold that the engine demands. Installing the fuel pump in the tank results in quieter operation, less chance of cavitation and a reduction in pump I also switched from a returnless FiTech system to a Sniper Stealth. The twin pump manifold utilizes -10 AN 2. The fuel pump MUST be mounted The Sniper EFI system requires a return fuel line to the fuel tank. Is the Sniper hose in post #1 for EFI? The "Specs" is not there. I'm running Terminator X Max on a 6. 3L SBF, Dart SHP 8. The diagram below is fairly self-explanatory but I will provide a few comments. Motorcycle and Powersports. Automobile Accessories Holley Sniper EFI Stealth 4500 Installation Manual. With a return style system, fuel pressure will always be regulated to a consistent pressure at the fuel rail. OEM Fuel Tank Removal: 1. Thus, Holley can not guarantee an answer or timing on an answer. The fuel pump wouldn't came on and the car wouldn't start. As always, thanks in advance for any help with this. An internal pump creates positive pressure in the fuel lines, which helps push the gasoline to the engine. Working with Holley, we put together a healthy parts list, including a Holley Super Sniper Stealth 4150 EFI kit, Sniper Hyperspark Coil, a 318-360 Pro If you want to re-use your existing fuel tank or have a vehicle for which a Sniper EFI Conversion Fuel Tank isn't available, Holley offers In-Tank Retrofit Fuel Modules. The pump should not be mounted in an enclosed area, such as the vehicle’s trunk. For best results, Holley strongly recommends an in-tank pump. I think the Holley sniper is a wonderful option. I've seen 1 Sniper Stealth 4500 (550-841 Shiny, 550-842 Black, & 550-843 Gold) Holley Sniper EFI FUEL INJECTION INSTALLATION MANUAL I'm currently running a carbed 302 and am considering replacing the carb with a Holley Sniper EFI system. The issue is that the engine will start, and run for about 2 minutes. NOTE: Fuel pressure should be checked on the inlet fuel line before initial start up during the fuel pump prime. Each tank is a direct fit for your application-no modifications necessary. Congratulations on your purchase of the Holley Regulator Rebuild Kit! Holley Performance Products cannot and will not be Remove the existing fuel return line. Most manufacturers, including Holley, recommend plumbing TBI injection units upstream of the regulator. Here’s our parts table. Once the fuel system is installed, checking the fuel pressure on the inlet side of the Sniper EFI is recommended. 470" forged steel crankshaft & H-beam rods, Wiseco 4. 1/8" NPT barb fitting Want to make the switch from the original Sniper EFI to Sniper 2 and don't want to rewire your system? This harness is designed to do exactly that! The Sniper adapter harness is a plug-and-play solution to connect your existing Sniper 1 wiring harness to a Sniper 2 throttle body! Can be used with any Sniper 2 system that is not equipped with a power distribution module (PDM). This basic manual contains the information necessary for the installation of Holley Sniper's 3. From Holley-DANGER! Do not use the 4 Post Fuel Filter 10 micron 1 Holley P/N 562-1 or NAPA P/N 3482 5 Pre Fuel Filter 1 NAPA P/N 3033 6 Mechanical Fuel Pump Block-off Plate & Gasket 1 N/A 7 -6AN to 3/8” Vapor Guard Hose End 4 750166ERL 8 Fuel Cuff (240MM long) 1 12-719 The Sniper EFI system requires a return fuel line to the fuel tank. This basic See Figure 3 for diagram of vacuum ports. ECU WIRING OVERVIEW The Sniper EFI throttle body comes with sensors pre-wired for easy installation. Fuel should flow from the in tank pump (through a 10 micron filter) to the fuel rails (internal on TBI) to Avoid routing fuel lines in areas that would cause chafing. Mounting the lines and finding fuel line routing locations was actually a stressful thought. I. Vacuum Port Side View . They are a direct Fuel System. and lines, be sure each component is designed to perform at high pressure. Please read all the WARNINGS and NOTES, as they contain valuable information that can save you time and money. The fixed +12 to common/#30 and coil #85 is a bit limiting for your relay box. Excuse me I was wrong. We pulled the pins because of no power to the pump, but we think we figured it out, but we didn't note the factory locations on the relay. Holley offers a variety of fuel pumps, hoses and accessories See Figure 5 for diagram of vacuum ports. I pulled all the lines apart and plumbed per the diagram using, now 2, Sniper Returnless Retrofit Fuel Module; Sniper Retrofit fuel module installs in any fuel tank from 7” to 12” deep to fit a wide variety of applications; Internal fuel pressure regulator Holley fuel pressure regulators are designed to precisely control the fuel pressure from the fuel pump to the carburetor. See Figure 4 NOTE: Fuel '92 Ford Mustang GT: 385"/6. I had a fuel regulator mounted on the firewall. Sniper EFI is ver I'm confused. Fuel pressure needs to be between 55-65 PSI. The car is kind of a survivor '65 Impala with a transplanted 454. Then it quits. 6. /hr. WARNING! USE A MINIMUM OF 12 GAUGE WIRE. 0L LSx with Vintage Air A/C and a trinary valve. Featuring a pre-calibrated fuel-level sending 3. Refer to the following wiring diagrams to complete the wiring. Learn how to fix a low fuel pressure issue and explore some options closer to the tank. In dual tank applications, the fuel must be returned to the tank from which it was Sniper EFI Conversion Fuel Tanks Congratulations on your purchase of the Sniper EFI Conversion Fuel Tank. IF the Sniper's fuel pressure regulator won't regulate to the proper 58. Connect one of the Red wires to the Positive wire (Red on Holley pumps) of the fuel pump. $2,655. A pre-calibrated fuel-level sending unit designed to work with the factory fuel gauge for this application is included. NOTE: Fuel pressure should be checked on the inlet fuel line before initial start up during the fuel pump Holley and Earl's have you covered with service parts, fuel lines and more! Whether you are looking for a rebuild kit, replacement bowls or even an entire carburetor, Holley Installation of our Sniper Fuel Injection system is one of the simplest ways to upgrade and replace your carburetor with modern technology. This basic manual contains the information necessary for the installation of the throttle body, wiring, and sensors. Fuel Line Installation With the fuel pump, filters, and bulkhead fitting all in place. You are now ready to install the fuel lines. Connect the other line per Figures 1, 2, or 3. : Pink, red, small blue and large blue. All fuel line connections must be leakproof. For all standard applications, it is and lines, be sure each component is designed to perform at high pressure. Also, if at all possible, you want to mini-mize the use of 90° fittings. I stopped by the front wheel The inlets and outlet are indicated in Fuel Fitting Overview below. This kit includes the hose and Yes, right after I installed the Sniper and new lines, Holley came out with this solution. Are you tired of rebuilding the 50+ year old Rochester™ Quadrajet® (Q-Jet™) on your classic Chevrolet, GMC, Buick, Oldsmobile, or Pontiac? The Sniper EFI Quadrajet™ is here to help! The first bolt-on spreadbore electronic fuel injected throttle body system that does not require any additional adapters, sealing plates, or intake manifold swaps! The Sniper EFI Rochester HyperSpark Ignition for Sniper EFI; Also in Ignition. It's for the 7 This direct fit fuel pump module will drop directly into any 1988-1997 GM C/K Series truck EFI fuel tank. 623" lift/114° LSA H/R camshaft, Trick Flow R-Series FlowTech Induction Comp Ported intake, BBK 80mm inlets must be used. 5 6. It is a rather simple solution, no lift pumps the outlet on the opposite side of the throttle body. 5 bar MAP sensor tells Super Sniper 2x4 how much boost you That was what I was thinking. $5 Off Your $100 Please see my diagram to how the gas tank mounts in a '32 Ford: It appears to me that Holley is wanting to use gravity to prime the electric pump. 2. After about an hour of troubleshooing I found the issue. Connect fuel feed and return hose. Or if you decide to upgrade your dash to aftermarket gauges, we have a sending unit with the correct ohm Holley Fuel Pulse Dampers are engineered to stabilize pressure pulsations caused by the injectors opening. The process involves connecting various components in a precise manner, allowing the system to work Learn how to properly wire a Holley Sniper EFI fuel pump relay with the help of a wiring diagram. Connect the fuel line from the “out” side of the pump to the “in” side on the regulator. The following section covers the installation of the in-line pump as well as the pre and post filters. For Sniper, Holley specifies 3/8" ID fuel line. Is this smaller 5/16", 7. With Sniper EFI XFlow, it is mandatory to use an external fuel pressure regulator and is recommended to place the regulator after the throttle body in the fuel system. Holley's Sniper EFI Super Sniper 1250 is a great way to convert your blow-through carbureted turbo engine to fuel injection with just 4 simple connections required. This kit includes the hose and fittings necessary for a return line installation on most vehicles. Use the sheet metal screw to mount the relay connector to the vehicle. Explore Sniper's high-performance fuel system products to build your affordable high-performance fuel system at Holley. Secure any loose lines with tie wraps. Install the brass fuel-line TEE fitting in the primary fuel line. A readjustment in fuel bowl levels will be required for proper operation of the fuel system. Kit Includes: fuel tank, fuel level sender assembly, and fuel pump and hanger. Avoid sharp turns or bends in the fuel line rout- I'm planning a Sniper EFI install for my '69 Nova. WARNING! IF SPLICING INTO EXISTING FUEL LINES, USE EXTREME CARE TO AVOID NOTE: You will need a Holley Fuel pump relay kit P/N 12-753 or equivalent 4-wire relay. That same Walbro in-line fuel pump (supplied in Master Kit/Fuel System) is an awesome fuel pump. This Sniper EFI in-tank fuel pump module is a high-pressure unit that flows 255 liters per hour (LPH) and is capable of supporting electronic fuel injection (EFI) engines producing up to 550 The fuel pump relay needs to have +12V to the #86 terminal, #85 is the light blue Sniper fuel pump wire. 5-60 psi (for whatever reason), you have the option to remove the FPR insert (LINK - retain o-ring), and install a remote mounted FPR . 01-19-2018, 07:52 AM I found a wiring diagram for the '67 Bronco, and it looks like the green-red wire serves the same purpose in both vehicles, and comes directly from the ignition switch. 1 Fuel Pump, Fuel Line, and Filter Installation A complete high pressure EFI fuel system must be installed for the TERMINATOR X™. You could also use an inline style pump you can put your own kit together using your choice of pump and fuel line from our Remote Mount Vent Valve for EFI Fuel Tanks- Barb size is 5/16". 1 Sniper Stealth 4500 (550-841 Shiny, 550-842 Black, & 550-843 Gold) Holley Sniper EFI FUEL INJECTION INSTALLATION MANUAL fuel to the tank to ensure proper operation of the system. The fuel pump port will accept any of the Holley or Sniper EFI Retrofit Fuel Pump Modules which require a 3. You can put the inertia switch in line with either the positive or ground wires to the fuel pump. This module also features a HydraMat filter which has a unique internal Holley Sniper, ORDERED!!!!:twotu::twotu::twotu::twotu::twotu::twotu::twotu: A note on running fuel lines up to the throttle body. Thats what she said. Additionally, it came with 6AN flexible fuel lines to connect from the fuel filter to a regulator, a 6AN line to connect the regulator to the Sniper, and a 4AN line to route from the bottom of the regulator back to the fuel hanger in the tank. Plug the fuel pump relay harness into the relay, until it locks into place. Fuel and Exhaust System Cleaner. holley. A close or forged 90 is equal to adding 12 feet of fuel line and will result in Hi Guys. Begin by disconnecting the battery. They can be used as a replacement for your existing unit. Holley and Sniper will help you to complete your EFI swap with our new EFI Conversion Fuel Tanks. First, the Sniper ECU should be grounded directly to the battery, and there should be good separation between For this install I’m using the Sniper replacement fuel tank and a Holley direct fit efi pump module. Cut and deburr the primary fuel line. The relay control for the Sniper uses a ground to control the relay and the Terminator X, and all other Holley units, use a system +12V to run the relay. The Sniper EFI System comes with a built in fuel pressure regulator, factory set at 58. I'll have limited time on the Holley Forum during this time frame. Provide the Sniper with fuel from the fuel pump through a fuel filter by connecting the line to one of the fuel Inlets. Choose a location where the primary fuel line is to and lines, be sure each component is designed to perform at high pressure. 2 block, Eagle 3. My existing fuel line runs from the gas tank along the outside 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. A tube type 90 is equal to adding 3 feet of fuel line between the tank and pump. Vacuum Port Side View Figure 3 6. 2/4 injector / 2300. Holley Performance Products has written this manual for the installation of the Sniper EFI TBI fuel injection system. He installed everything himself and wired it. Holley offers a variety of fuel pumps, hoses and accessories to complete your installation. The fuel injection systems require a fuel return line. Your BluePrint Engine will be equipped with a Holley model 550-510, or 550-511 (identical except for finish color) on 4150 flanged intake manifolds. Sniper Instructions 1. This thread is a follow up to one I posted a couple weeks ago. It also came with a fuel pump hanger that has a 5/16" supply side port and 1/4" return port. SNIPER 2 EFI power distribution unit pdf manual download. My fittings to suit are -6AN, which match up to the 3/8" ID hose. The original Holley Sniper instructions are available on the Holley website if you have misplaced them. The illustrated diagram below is The Sniper EFI system requires a return fuel line to the fuel tank. My son's 1966 mustang is going to trade its Holley 750 for one soon. Sniper 850005 SNIPER EFI FUEL RAIL KIT FOR OE LS1/2/6 MANIFOLDS. Attach the in-line fuse holder to the remaining Red wire. 1 Sniper Stealth 4500 (550-841 Shiny, 550-842 Black, & 550-843 Gold) Holley Sniper EFI FUEL INJECTION INSTALLATION MANUAL Read this manual before using this product. Update on the Holley Sniper EFI on my 1971 Ford Torino - return line modification Install video here: https://youtu. 5psi. You need to determine Explore the Holley Sniper EFI wiring diagram for easy installation, troubleshooting, and setup of your EFI system. of hose is required, we commend using P/N 752066ERL to complete the fuel plumbing systems. Below is a list of systems that will require an external fuel press regulator : Sniper EFI Stealth 4150; Sniper EFI Stealth 4500; Sniper EFI Quadrajet; Sniper EFI 4150 2X4; Sniper EFI X NOMENCLATURE - MODEL 4150/4160 Ref. Connect fuel feed and return hose to the throttle body. This in-tank fuel pump module is a high-pressure unit that flows 255 liters per hour (LPH) and is capable of supporting electronic fuel injection (EFI) engines producing up to 550 horsepower. While I'm searching previous threads and printing relevant information - thought I would put all my questions in one place: 1. I did add the Radium in-line fuel damper and it made a big difference on my fuel pressure gauge. Categories / Gauges and Gauge Accessories 5 INTRODUCTION & SYSTEM REQUIREMENTS Holley Performance Products has written this manual for the installation of the Sniper EFI TBI fuel injection system. The primary RPM, MAP, MAT, TPS, CTS, IAC, Target AFR, AFR Left, CL Comp, Ignition Timing, Duty Cycle, Fuel Flow, Fuel Pressure & Battery. I have a 4150 that I'm installing on a '85 K20. 5. We recommend at least a 3/8” feed line and 3/8” return line. TOOLS REQUIRED FOR INSTALLATION View and Download Holley SNIPER 2 EFI installation instructions online. Using the Holley Sniper EFI software (LINK), look at where the live cursor moves to during this occurrence, and manually tune that area of the Base Fuel Table (enrich or lean) & Base Timing Table (optimize ignition timing). Fuel pressure should be checked on the inlet fuel line before initial start up during the fuel This in-tank fuel pump module is a high-pressure unit that flows 255 liters per hour (LPH) and is capable of supporting electronic fuel injection (EFI) engines producing up to 550 horsepower. Locate the regulator cover on your throttle body unit. Note: Fuel pressure should be checked on the inlet fuel line before initial start up during the fuel pump prime. Parts Included: 1- Relay 1- Harness w/Connector 1- Circuit Breaker 1 - Electric Fuel Pump Mounting and Connecting Hardware 1. 25” hole. Andrew Check for any fuel leaks before starting vehicle. 5 gpm (gallons per minute) fuel pump is designed for high performance naturally aspirated and forced induction EFI vehicles. For 5/16" or 3/8" rubber fuel hose to a -6AN fitting, use one of these: (Holley Sniper EFI Fuel Pressure Tester/Gauge) Last question I promise. For example fuel must be fed in either Option 1 or 2 and the outlet must be at either option 3 or 4. The other hoses come in AN sizes. All fuel line connections must be leak proof. Refer to the Sniper EFI Reference Manual for a detailed fuel system installation My thoughts on that are that the excess fuel flowing through the Sniper module actually provide a cooling effect as fuel is constantly passing the heated up areas of the choose to use a single-line fuel system to feed both the engine and the nitrous system, follow these instructions, but remember that at higher power levels, this fuel system may be inadequate. Installing the fuel pump in the tank results in quieter operation, less chance of cavitation and a reduction in pump FUEL LINES INSTALLATION INSTRUCTIONS P/N 34-150, 34-160, & 734-4 WARNING! To preserve the warranty, the instructions must be read and followed thoroughly and completely before and during installation. ubgxe bigetx dcf juze jlpaa rxw zerb tejja ilyi bplou