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I want to buy and have seen many covers for vortec heads.I have not seen any with PCV and breather holes that are polished aluminum,only those that are stamped steel seem to have the holes.What application would use no PCV or breather?
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Send PMFrederick, MD - USA
Joined: 9/8/2003
Posts: 3398
Vette(s): 1969 convertible L71 427/435 4-speed black interior
You have to drill holes for the breather and PCV. That way you can locate the holes where you want them.
Stamped valve covers generally come already drilled since they need a rolled edge to keep from cutting through a grommet or simply bending and creating points for leaks..
Stamped valve covers generally come already drilled since they need a rolled edge to keep from cutting through a grommet or simply bending and creating points for leaks..
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in Forum: C3 Engines, Driveline and Handling
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