In a message dated 12/25/02 8:28:44 AM Pacific Standard Time, pugrambo@xxxx writes: << where is the "cast iron" in a PRV engine block ? they are an alloy block and heads >> I saw that my header was red hot, It's not in the block, they are attached to it , it's the cast iron headers for the exhaust. John Hervey www.specialtauto.com