<div class='quotetop'>QUOTE (pen15 @ Oct 3 2008, 07:42 PM) </div>Cracked head won't necessarily show up on compression test or contaminate oil but still allows coolant to enter the combustion chamber.
Is it using coolant or not?
What are the values of the comp test?
PS. Is your engine is in the same state of tune as a 700rwkw jobbie?