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Old 08-03-2010, 08:35 PM
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bobcowan bobcowan is offline
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Join Date: Feb 2007
Location: Colorado Springs, CO
Cobra Make, Engine: Backdraft, supercharged Coyote
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I agree. That usually means steam pockets. The question is, where did it come from? It's supposed to be a closed system. Start checking the system for leaks. Consider a head gasket failure.
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