What is the maximum fuel pressure for a Holley carb?
What is the maximum fuel pressure for a Holley carb?
Carburetor Fuel Pressure by Manufacturer
| Carburetor Style | Recommended Fuel Pressure |
|---|---|
| Autolite | 4.5 – 6.5 psi |
| Holley | 5.5 – 7.5 psi |
| Edelbrock | 6.5 psi (max) |
| Demon | 5 – 6 psi (at idle) |
What should carburetor fuel pressure be?
Fuel pressure should be set between 6 and 8 psi for a gasoline carburetor. An alcohol carburetor is a different animal with very different requirements. The Alky carburetor will require 4 to 5 psi at idle and 9 to 12 psi at wide open throttle. Remember, fuel pressure is not a substitute for volume!
Will too much fuel pressure to carb?
Fuel pressure to the carburetor will range from 4 psi to 7 psi, with some vehicles using higher pressure. Using the wrong fuel pump that delivers excess pressure can cause problems ranging from poor performance and lower gas mileage to flooding and carburetor damage.
Do I need a fuel pressure regulator on a carburetor?
A fuel pressure regulator is always needed.
What is a good fuel pressure?
Because, the average fuel pressure, can be anywhere from 45 psi to 55 psi. To be sure, consult with your vehicle owner’s manual; for the proper fuel-pressure range, before performing this test.
What is the correct fuel pressure for a Holley carburetor?
A. FUEL PRESSURE: This carburetor has been designed to work best at fuel pressures between 5 and 7 psi. Holley recommends 7 psi at idle, and a minimum 4 psi at engine redline. Three 8” fuel lines can result in adequate (indicated) fuel pressures, but restricted fuel flow.
What is the Holley Street hp™?
The Street HP™ uses the best features from Holley’s race Bred 4150 HP™ carbs, but tamed for street and light competition use. The Street HP features the contoured main body from the 4150 HP™ and has a tumble polished shiny finish and screw in air bleeds for precision tuning capabilities.
What kind of parts does Holley make?
Holley’s products include carburetors, fuel pumps, fuel injection, intake manifolds, and much more. From start to finish, Holley has the parts to make your dream a reality. Kickdown Cable Bracket For Use Only On Models 4150 & 4160 carburetors with 700R-4 transmissions.
Does Holley guarantee an answer or timing on an answer?
Thus, Holley can not guarantee an answer or timing on an answer. I’ve got a Holley 750 double pumper carb with a 110 GPH “Blue” fuel pump and a 12-803BP regulator.
