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2005-2009 Mustang S197 Discussion & News

Chroming Valve covers a problem?

Old 2/18/06, 04:47 PM
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I was told by a local body shop that chroming (or powder coating) my valve covers will build up heat and therefore decrease performance. I guess polishing is the only way to go?
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Old 2/18/06, 05:33 PM
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The vale covers on the 2005/06 Mustang GT are made of
magnesium. the chroming process and magnesium do not mix well.
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Old 2/19/06, 02:00 AM
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I've never heard of a heat issue with powder or paint on valve covers. On cylinder heads or engine blocks this can cause major problems though.
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Old 2/21/06, 07:30 PM
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I doubt it is even a measurable performance difference. All kinds of manufacturers have been making and still make powder coated cam/valve covers. Even the Ford GT's covers are factory powder coated, and Ford Racing sells a variety of powder coated cam covers for the Mustang GT.
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