<strong>Yahoo Message Number: 29917</strong>Anyone here ever do their own valve adjustment on one of the older (1996) mechanical 12 valve engines? Local Cummins shop wants about 5 1/2 hours @ $114/hr which I think is way out of line. Another independent shop quoted 2+ hours @ $80/hr which is reasonable, but they are 85 miles away - no one else I can find locally who seem trustworthy. <br/>I...