Steve you are right about the left side there is no compression.
You had it figured right from the beginning. I guess I was in denile. I also did expect the timing chain but subconciously did not want to admit it.
I am afraid to ask, what's next? I think I am in deeep trouble. Need help....
looking for SL Convertible/240 D/300 TD
420 SEL 1986
300 D 1978