How many miles? I assume you change the oil every three thousand as well. My first thought would be oil valleys in the heads and lifter valley but I'm not sure. Just my OPINION, you should probably wait for someone else like PKRWUD to reply.
Maybe this wil help though
Brad
__________________
1990 GT, 347, TFS TW Heads, TFS Cam, TFS Track heat, Twin turbos, FMIC, T5.
Built Ford Tough Moderator
|