Holley 12-804 problems
Nettet26. apr. 2024 · On the Holley 12-804 fuel pressure regulator, the factory preset is supposed to be 2.8 pounds - can anyone say is Holley usually pretty accurate on these presets? Second, you adjust this regulator by turning the hex screw on top - does anyone happen to know how many pounds one or more full turns would produce etc? Nettetholley Chrome Carbureted Fuel Pressure Regulator $41.19 Part# 12-804 Add To Cart *Free Shipping & Handling only offered to the contiguous US on orders over $100, excludes clearance parts and oversized …
Holley 12-804 problems
Did you know?
Nettet6. feb. 2024 · The Holley 12-804 is one of the most popular low fuel pressure regulators that works perfectly for setups that require 1 to 4 PSI. For cars that require 4.5 to 9 PSI, the Holley 12-803 is the right model. The 12-804 is made from durable aluminum and has a satin chrome finish that is extremely resilient to corrosion and abrasive chemicals.
NettetToo much fuel pressure for a given needle and seat assembly can overload the needle and seat and may cause flooding or drivability problems. Each Holley fuel pressure regulator is fully adjustable so regulating the fuel pressure to your engines needs is a simple task. NettetHolley Fuel Pressure Regulators 12-804 Reviews Summit Racing Summit Racing Gift Cards - Always the Perfect Gift! Shop Now Vehicle/Engine Search Make/Model Search Make/Engine Search Departments Brands Savings Central Contact Us Help Center Wish List Order Status & Returns My Account Welcome My Account Order Status Wish List …
Nettet13. aug. 2009 · If your having pressure controll issues with the Holley regulators you can eliminate most problems with stability by installing a by pass line back to the tank and … NettetOne method is to wire the pump to a switched 12-volt source (providing power only when the engine is running) located at the vehicle’s electric panel. To ensure this condition, …
Nettet15. feb. 2024 · So in essence the 12-804 regulator is only good for adjusting down 5-7 psi of pressure. If you have an old 12-804 that starts acting up the diaphragm has probably …
NettetThe Holley 12-803 and 12-704 both regulate your fuel line pressure to around 4 - 9 psi, but the 12-804 regulator is best for regulating pressure down to 1 - 4 psi. Going from 22 psi at your pump, down to 4 psi sounds better suited to the 12-803 or 12-704. The difference between them is the orifice size. Holley website list 12-804 as having a ... lab technician how many yearsNettet15. aug. 2009 · The last time I talked to the Holley tech, he mentioned that for the 12-804 low pressure fuel regulator (1-4psi) to work, you need to using a fuel pump with 7psi (max). Intersting idea. That might be a good thing for Holley to tell potential purchasers of the 12-804. edit: Just checked and the pump I'm using runs between 4 - 7 psi. C9 said: ↑ lab technician i salaryNettet22. mar. 2024 · Technical Holley 94 / electric fuel pump issues. Discussion in 'The Hokey Ass Message Board' started by jarretts70, Mar 21, 2024. Joined: Mar 4, ... You need the 1-4 psi Holley 12-804 regulator, or simply get the Holley regulator diaphragm repair kit 12-807 that includes a low and high pressure spring, ... projector backyard ideas