Fuel pressure setting
Ok I am running a BBC 427 with a 6-71 blower, and 2 750 CFM Holley carbs. The boat has never had a fuel pressure guage since i've had it, so I installed a liquid filled holley guage. At idle,( 1100 RPM) it reads 6 psi. Can someone tell me what it should be. i have been told between 7-9 psi is good. Just need some advice before i tweek it. thanks,
I have mine set at 8 psi, also running an 871 and two 750s. My system is set up on a loop instead of a return line, it loops through an enderal bypass regulator and back into the the flow, down stream of the pump. Gives me plenty of volume and steady pressure.
OHBA GROWTH THROUGH PARTICIPATION
Built Cheyenne Tuff, With Chevy Stuff.
well the block is GM any ways
GOD BLESS AMERICA AND KEEP HER SAFE
LOCK N LOAD AMERICA, OUR 2nd AMENDMENT
IS UNDER FIRE
ok cool, i dont have a return line. will that matter?
well anyways i bumped it up to 8psi seems to idle smoother and surge a little less.
I would keep an eye on the pressure at WOT if it drops I would look into at least a loop. It is easier on the pump also.Originally Posted by 69 wriedt flattie
OHBA GROWTH THROUGH PARTICIPATION
Built Cheyenne Tuff, With Chevy Stuff.
well the block is GM any ways
GOD BLESS AMERICA AND KEEP HER SAFE
LOCK N LOAD AMERICA, OUR 2nd AMENDMENT
IS UNDER FIRE
ok will do, thanks!
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