Thread: Competition Style Valve Covers
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Old 05-09-2006, 06:42 AM
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Cobra Make, Engine: E.R.A. FIA #2088 1964 289 w/Webers
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Air expands as it gets warm & with all the rotating parts, possible blow-by if there were no vents the pressure could build up causing your gaskets to blow out & leak oil everywhere.
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