Instead of buying another carburetor, I took advantage of the black friday sales and pulled the trigger on EFI. Sniper EFI gives you all the power and reliability of electronic fuel injection with none of the tuning issues commonly associated with carburetors. •. Consumers have been asking for a throttle body injection that looks like a 4150 Summit Racing carries Sniper EFI throttle body kits as well as Sniper EFI fabricated intake manifolds designed to maximize your vehicleâs power while going easy on your budget. Sniper EFI throttle bodies require 58-60 psi of fuel pressure and a 10 micron filter. Holley EFI; Holley EFI; Installing Sniper EFI with MSD? You may have to register before you can post: click the register link above to proceed. If you do not understand a step seek assistance. With the decision made to go EFI, I ordered Holleyâs PN 550-511K Sniper EFI Master Kit. This instruction manual must be read and fully understood before beginning required or if you need further warranty clarification, please call Holley Technical. Great to hear. NOTE: Higher horsepower applications will require installing an -8AN O-Ring fitting (3/4-16 Male O-Ring) to provide sufficient fuel supply. Let's discuss it. Well, you are right--and we try to uncover that here. Jul 9, 2018. Modeled after an Ultra XP carburetor, the new Stealth 4150 features four 100 lb/hr injectors, dual feed configuration and supports up to 650 hp naturally aspirated! Blow-through applications will require the use of an external boost referenced regulator (example: 12-848). For starters, your fuel system will need to be upgraded. It's easy...we did it in our driveway!Read More. Your email address will not be published. One of the great features of Holleyâs Sniper is the ability to set your air/fuel ratio (AFR) where you want it. While it can move the required volume of fuel, it cannot maintain a pressure needed to supply your Sniper's fuel injectors. Most important!!! We've found a Sniper TBI system that will bolt onto your existing intake, but what else is required? Use this diagram if you have a Holley Dual Sync Distributor and external ignition box. All Rights Reserved. Install the main power and ground directly to the battery. I am installing a Sniper EFI on a 1992 Mustang 5.0L using a Holley dual sync distributor and an MSD 6AL CD box. I bought an additional temp sensor for oil and 2 pressure sensors for fuel pressure and oil pressure. Beginning with the 0-1848-2, this new carburetor draws roots from the original 465 CFM List: 1848, but will all of the contemporary features you've come to love from their Street Warrior models. To start off, I replaced a Holley 4bbl carb mounted on an Offenhauser intake. This basic manual contains the information necessary for the installation of the ⦠Fukuoka | Japan Fukuoka | Japan. I realized this is a $400 vs $1500-$2500 decision but in the end I decided to go with the EFI. Write to me in PM, we will communicate. t is critical to use high pressure clamps or AN fittings to reduce the possibility of a fuel leak. I am installing this Holley Sniper EFI kit in a regular garage with regular tools on a regular old mustang. Install the main power and ground directly to the battery. How To Load A Global File, Step By Step. Electronic fuel injection isn't new. The Holley Sniper EFI tank kitâs fuel pump is rated at 255 lph, which is good for up to 550 hp naturally aspirated. •. The centerpiece of the Holley Terminator EFI kit (PN 55-406, $2,050) is this 950-cfm throttle body. Let's take a look at the items that would need to changed or can handle the higher pressure. Our Sniper EFI Master Kits are supplied with 20 feet of EFI compatible rubber hose. Keep sensor wiring away from high voltage or “noisy/dirty” components and wiring, especially .The all new Atomic EFI system was designed with two goals: simplicity and performance. Holley Sniper EFI FUEL INJECTION INSTALLATION MANUAL This instruction manual must be read and fully understood before beginning installation. â¢. If so, the yellow wire will not be used. How To Install The Holley Sniper EFI Conversion Fuel Tank. 1975 Ford Bronco Electronic Fuel Injection Install (Holley Sniper EFI) Updated: Apr 13, 2020. Directly to the BATTERY!!! The Holley Super Sniper High Performance EFI kit comes with a coolant temperature sensor and an O2 sensor, both of which must be used for the EFI to work properly. Trademarks belong to their respective owners. Fuel Pump: On average, your block mounted mechanical pump will produce up to 10 psi of pressure. Fuel injection can be daunting after a life of tuning carburetors, but Sniper EFI is arguably one of the simplest to install systems available on the market. Question. Port Manteaux churns out silly new words when you feed it an idea or two. Holley's Sniiper EFI kit for the Autolite 1100 is awesome, and we ca... n't wait to get it installed! My question is, "Do I need to wire up both the pink wire from the adapter (558-493) and the pink wire from the 7-pin connector to 12V switched ignition source?" Amcor Portable Air Conditioner Kf9000e Wiring Diagram, 2000 Infiniti Qx4 Hid Headlight Wiring Diagram, 1990 Mitsubishi Eclipse Radio Wiring Diagram. 1 Sniper Stealth 4500 (550-841 Shiny, 550-842 Black, & 550-843 Gold) Holley Sniper EFI FUEL INJECTION INSTALLATION MANUAL Keep sensor wiring away from high voltage or ânoisy/dirtyâ components and wiring, especially . One of these is a ten-wire harness and the other is a seven wire harness. 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 complete system. I can defend the position. That's right, Holley is announcing a revamp of their "Classic Carb" line-up with modernized versions that are constructed from light-weight aluminum! Simplicity was achieved when MSD rewrote the industry standard for easy installation and programming. All of my Holley EFI parts arrived Friday and I'll be doing my install come February. Hopefully, this guide will resolve some questions you may have considered when installing a Sniper EFI system. So you're ready to switch from carburetor to fuel injection, but you're unsure of what all is involved. 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. Simply bolt it on, feed it a few basic answers and let Terminator EFI take control of your ride!Advanced Features of the Holley Sniper EFI Unit – RacingJunk NewsTerminator EFI 4bbl TBI Kits - Holley Performance Products. 01. Write to me in PM. Read More, 1972-1993 Dodge D-series pickups and the first generation of the Dodge Dakota mid-size truck are often passed over for other options when it comes to performance. Well, the sniper 4150 has a dual drilled flange to physically bolt on to spreadbore applications where the ⦠Read More, Wait, what year is it?! DO'S. •. Let's get started! Also in Tools, Shop Equipment & Chemicals -. Wire the Fuel Pump. For all standard applications, it is recommended to use a 3/8" fuel injection approved hose for your supply and return plumbing. 4-barrel carburetor to fuel injection conversion kits for V8 engines. No laptop required. After looking at some options I decided to go with the Holley Sniper EFI kit.. for those unfamiliar with these this is the new Holley Carb replacement system. •. Mark Ehlen Author. The ten-wire harness controls advanced functions of the Sniper EFI and will not be used in this installation, but will be addressed in a later How-To piece. When I finished the install on my C10, I set it as follows: 13.1 at idle, 14.2 at cruise, and 12.9 at WOT. Have you already read the Sniper or Terminator wiring instructions and still feel like there is more to know? If ⦠Be sure to check out the full instruction manual filled with tons of information regarding installation, tuning and more! Can the Sniper be used with a dual plane ⦠Frequently Asked Questions. See More. A Sniper EFI system requires the use of 100 micron pre-filter and 10 micron post-filter. The aluminum main body and fuel bowls will save weight and provide better heat dissipation (a must-have when running today's ethanol-blended fuels). Holley Sniper EFI self-tuning fuel injection systems deliver all the benefitsâand none of the hassles. After having too many issues with my 2-barrel motocraft 2150 carb I had to decide between replacing it and going the electronic fuel injection (EFI) route. Holley carburetors have powered every NASCAR® Cup team and nearly every NHRA® ProâStock champion for four decades. In my opinion you are mistaken. If this is your first visit, be sure to check out the FAQ by clicking the link above. We just got done installing the Holley Sniper EFI system in our 69 Coronet convertible. Holley Performance Products has written this manual for the installation of the Sniper EFI TBI fuel injection system. This guide will walk you through a basic installation including what parts are necessary to swap as well as what to watch out for. It has also ditched the obsolete hot-air choke and fuel bowl vent to bring this carb into the 21st century! Find Holley Sniper 550-511K Holley Sniper EFI Self-Tuning Fuel Injection Systems and get Free Shipping on Orders Over $99 at Summit Racing! Individual service items are available for replacement of components. It's time to move towards better fuel economy, increased performance and perfect cold starts. © 2021 Holley Your email address will not be published. Sniper and Terminator Ignition Wiring- . However, this is a new kit from Holley, and it was originally designed for the straight six engines found in early Mustangs. Top 10 Holley Sniper EFI Tech Tips, Holley Technical Training Manager's top ten "suggestions" for Holley Sniper EFI System installation issues. Holley Sniper EFI install and dyno test on a 440. Holley has been the undisputed leader in fuel systems for over 100 years. This is the real-deal raw installation of this system. Holley Sniper throttle body fuel injection: Iâve actually been âborrowingâ the Holley 750 dp carb that was on my â68 fastback. This manual contains the information necessary for the installation of the throttle body, wiring, sensors, and fuel system. The Holley Sniper EFI Unit has two main wiring harnesses. It is critical to use high pressure clamps or AN fittings to reduce the possibility of a fuel leak. Installing the Holley Sniper EFI Kit February 24, Mike Aguilar Fuel Delivery, The green and purple wires are only used if you have a Capacitive Discharge ignition box, such as an MSD 6AL. Fast and Easy: How to Install a New Holley EFI Dual Sync Distributor. I was actually going to do just the fuel system and stop there because I want to swap in a Gen III 5.3 or 6.0 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 ⦠I intended to take a bunch of pictures and make sure I document my experience installing the Sniper on my Scrambler. Below is a list of systems that will require an external fuel press regulator : Fuel Fittings: All Sniper EFI systems will use -6AN fuel inlet/outlet connections (Stealth 4500 utilizes -8AN O-Ring Fittings). Keep sensor wiring away from high voltage or “noisy/dirty” components and wiring, especially . Holley Sniper EFI FUEL INJECTION INSTALLATION MANUAL This instruction manual must be read and fully understood before beginning installation. But Holley thinks that a Gen III Hemi swap makes these trucks so much better!Read More, Drake Muscle Cars has quarter windows for your hatchback 1987-1993 Fox Body Mustang. The differences are purely asthetic and cost. MAIN POWER AND GROUND need to go to the battery. I am in the process of installing the sniper stealth on my car. Holley makes it very easy to get started on this installation. I went with the Terminator Stealth, dual-sync dizzy, and the MSD 6EFI CD box. Alright, but what electric fuel pump should I use? Our assembled EFI pump ready to install. Enter a word (or two) above and you'll get back a bunch of portmanteaux created by jamming together words that are conceptually related to your inputs.. For example, enter "giraffe" and you'll get . Click here to learn more! Fuel Pressure Regulator: The majority of Sniper EFI systems come with a pre-installed fuel pressure regulator that will work great for all naturally aspirated, nitrous and roots supercharged applications. We learned a few things during the install. First, there are clearance issues with the Edelbrock aluminum cylinder heads. There is no difference in the performance or specs on either the Sniper Stealth and the Sniper 4150. Next step will be to install a Holley Sniper. The temperature sensor needs to be installed anywhere but in the thermostat housing, in the intake, head or block. Fuel Filters: Most carbureted applications will require a 100 micron pre-filter (before fuel pump) and a 40 micron post-filter (after pump, before carb). You commit an error. Drivetrain Mounts, Engine Plates & Spacers, Distribution Blocks, Filters, Adapters and Fittings, Microswitch and Solenoid Mounting Brackets, 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. Our Falcon has an early 1965 cylinder head and a smaller, 1/8" coolant temperature sender--the one that comes with our Holley ⦠We opted for the Holley 440 distributor ⦠Thereâs a bunch of Videos on YouTube about the sniper EFi, but a quick run down: No tricks, special lifts or unrealistic fitment will be done to make this look easy. To start viewing messages, select the forum that you want to visit from the selection below. Sniper EFI products are part of the Holley Performance family and offer economically priced self-tuning fuel injection systems. Holley carburetors operate at a range of 5.5 to 7.5 psi of fuel pressure and use a 40 micron filter. Required fields are marked *. The Holley Sniper EFI Quadrajet is a self-contained throttle-body injection system that's a direct replacement for spreadbore Quadrajet carburetors found on many classic GM vehicles. Consumers have been asking for a throttle body injection that looks like a 4150 Holley carburetor and Holley's Sniper EFI division has responded with the new Sniper Stealth 4150. Read the Instructions, Check Your Wiring, Double-Check Your Ground, Triple-Check Your Ignition, Inspect Your O2 Sensor, Fuel Pump Location, Hard Starting Issues, Sniper EFI Read the instructions and Follow them. DO'S. â¢. Automotive Wiring: "Good Enough" Is Anything But! These full-featured throttle bodies are easy to install, can support a lot of horsepower, ⦠This kit comes with everything you need to convert your carbureted ride to EFI: throttle body, throttle body-mounted ECU, complete fuel system consisting of fuel hose, in-line fuel pump, filters, the necessary hardware and bulkhead fittings to ⦠Holley Performance Products has written this manual for the installation of the Sniper EFI TBI fuel injection system. Okay, great! Does anyone have a physical wiring diagram for hooking up the Sniper/Holley Dual Sync and the coil driver? Top 10 Sniper EFI Installation Tips from Holley's Tom Kise #1 READ. Install the main power and ground directly to the battery.
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