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Old 03-21-2013, 06:01 PM   #56 (permalink)
euromodder
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Join Date: Jul 2010
Location: Belgium
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The SCUD - '15 Fiat Scudo L2
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Quote:
Originally Posted by brucepick View Post
Don't those (decorative??) plastic shields over our more modern valve covers limit air cooling of the valve cover?
They sure do.
They also cut down noise.

On my car, there's a foam insert underneath (and glued to) the plastic cover.
The foam came off the cover when an injector was leaking though - engine bay temps were VERY high then as it was blowing out hot exhaust gasses.

(High temps as in bonnet touchable, but too hot to hold on to.)
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