Thursday, January 12, 2012

How do I properly adjust an edelbrock 4 barrel? ?

I've fooled with it a bunch but can't get it right. I need to know how to set the two airflow screws and the fuelHow do I properly adjust an edelbrock 4 barrel? ?
For the fuel, you need a fuel pressure gauge if your trying to set the fuel flow. If this is on a chevy you need to see 5psi of fuel. If your only at 3lb she'll dye, 7 and above it will flood out the carb cause the motor cant burn it fast enough. Roller motors with a mechanical fuel pump will run 12psi, but on a carb engine a pressure regulator must be installed. Will the engine run sure, but it mostly will flood out. There are several other factors, but just for some quick info.

Air screw adjustment

Screw them all the way in both of them, back out 2 1/2 turns If the engine is running, slow turn the one screw in or out 1/8 inch when you hear the engine pitch drop you turn it turn it back till the pitch "sounds" right do the same on the other screw. Generally 2.5 turns should be pretty close. But the way i mentioned is the old school way of doing it. Thats how I set mine never any issues. Im sure it not 100% but it dang close.How do I properly adjust an edelbrock 4 barrel? ?
the 2 jets in the front is your idle jets. adjust each 1 the same amount of turns. start out by running then in until they seat and run each 1 out 2 turns and 1/4 turn each until you get the best idle. as for the fuel you need to adjust the float.How do I properly adjust an edelbrock 4 barrel? ?
Go to this link and get directions/instructions from the maker:

http://www.edelbrock.com/automotive_new/鈥?/a>

No comments:

Post a Comment