I am pretty sure it is just the head gasket. It didn't get lean until the boost creeped so bad that the boost comp table in the AEM couldn't keep up to add more gas. The AFR was good for all but the very end, and for a split second it went to 13.8-1. But the car didn't hardly knock at all. Not enough to cause that kind of blow out you wouldn't think but something happened in there. We won't know until we pull the head off and see what happened.
CRAIG
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