Ok, what's the difference between the LT-1 and the LS-1? I thought the LS-1 was the start of reverse flow cooling? Just trying to educate myself on the later engines. ---------------------------------------------------------------------------- To unsubscribe from gmecm, send "unsubscribe gmecm" (without the quotes) in the body of a message (not the subject) to majordomo@lists.diy-efi.org