valve covers w/holes

Old 06-29-2007, 08:41 AM
  #1  
signsbyesa
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RACING JUNKIE
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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
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Old 06-29-2007, 06:36 PM
  #2  
gyrogearloose
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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.
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