valve covers w/holes

Old 06-29-2007, 08:41 AM
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Join Date: Feb 2004
Location: san antonio, texas
Posts: 1,233
Default valve covers w/holes

im going to run a vacum and was wondering if it's ok to get valve
covers w/holes or should they be no holes for sealed vacum?
thanx for any help
signsbyesa is offline  
Old 06-29-2007, 06:36 PM
Join Date: Oct 2004
Posts: 36
Default No Holes

You want to seal the engine as best as you can. No holes or air leaks if possible. A well sealed engine with a vacuum pump will give you a little more power.
gyrogearloose is offline  
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