Thanks, David. I did a search but must have missed that one.

Next time I have the valve cover off I'll be checking the stretch in a scientific way instead of the crude way. I estimated my chain to have about a 3 degree stretch using the cam alignment marks so I don't think I have anything to worry about. I believe I have the same engine as the one mentioned in that post so I'll check it using 2mm down on the intake valve and 11 deg ATDC. I hope these numbers are right...???

Phil

__________________
1981 300SD 164K Miles