Holley carburetors powered every monster energy nascar cup team and nearly every nhra prostock champion for four decades. Wiring manual diagrams 199r10555 hp efi and dominator efi systems.
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Holley hp efi wiring diagram. Holley efi products power these cars and are dominating the performance world. This feature allows the user to configure the system to support a wide range of controls including boost control progressive nitrous watermeth injection speed inputs fuel pump control ac. Holley hp efi wiring diagram ls12 wiring diagram wiring diagram autovehicle holley hp efi wiring diagram wiring diagram is a simplified pleasing pictorial representation of an electrical circuit. Holley offers a variety of fuel pumps hoses and. Holley hp efi systems are equipped with 4 programmable inputs and 4 programmable outputs that are ideal for most vehicles with a single power adder. Holley offers a usb cable with a sealed connector pn 558 409 for applications were the usb cable will be plugged in and the ecu is mounted in a dirty environment.
Holleys avenger and dominator series share the same harness. It shows the components of the circuit as simplified shapes and the capacity and signal connections with the devices. This video goes through a wire by wire description of the system to take away some of the scariness of the basic wiring process. 11 important wiring dos and donts an efi system depends heavily on being supplied a clean and constant voltage source. This manual contains information and diagrams related to wiring most holley efi products including ecus ignition systems nitrous systems watermethanol injection systems sensors and more. Hp ecu the hp ecu has two main connectors.
Ls237 58x4x engine main harness for hp efi dominator efi. Holley products for gms popular ls engine are dominating the ls. The sniper efi system requires a high pressure fuel pump capable of operating at 60 psi with at least 50 gallon per hour of fuel flow more fuel flow may be needed for higher horsepower engines. Be the first to write a review. Now holley efi products power these cars and are dominating the performance world. Be the first to write a review.
Click here to view or download our efi wire connector guide. When selecting a pump and lines be sure each component is designed to perform at high pressure. Holley has been the undisputed leader in fuel systems for over 100 years.
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