The Mudcat Café TM
Thread #113344   Message #2415019
Posted By: kendall
15-Aug-08 - 06:59 PM
Thread Name: BS: Chevrolet torque specs.
Subject: RE: BS: Chevrolet torque specs.
20 inches of vacuum is standard on these old engines.When you rev it up it drops to 15 or less, then it pops up to 22.