Uh Oh! Stripped a rocker arm thread in the head!!
Apparently others have too. The MB 103 manual says that you should replace all the M8 X 70 rocker bolts with M8 X 73 10.9 bolts. Too bad I read the manual AFTER I stripped it. No big deal. I'll put in a threaded insert and get some bolts, but what does the "10.9" refer to?