Quick fuel pressure regulator question [Archive] - NJFBOA - Home of New Jersey's Camaros and Firebirds

WildBillyT

09-07-2008, 10:47 AM

When there is low vacuum, a fuel pressure reg will allow MORE fuel, right?

GP99GT

09-07-2008, 11:07 AM

on my ford with the vac line off, its about 40psi...with it on its around 33psi. so i'd say yes

deadtrend1

09-07-2008, 11:13 AM

yes... more Hg vacuum = lower pressure allowed to the engine

WildBillyT

09-07-2008, 12:56 PM

Thanks guys.