Quote:
Originally Posted by Billy Nees
On my 301 4V I use a power brake check valve with the crankcase sealed. I like to TRY and keep some vacuum in it. I can't tell if it's worth anything but it doesn't seem to be hurting it.
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So no breather on the cover? Just the brake check valve on one of the valve covers? Or being a Pontiac, the valley pan?
Rick Thomason
GTOMayhem