Gentelemen,here is a baffling one:
You have an engine that was rebiult(1982),probably the head shaven to some extend(you don`t know how much).I aligned the cam marks and it read between 10 and 6 degrees BEFORE TDC. Above all,the chain still incorporates the c-clip (20+ years).I found an old cam sprocket and chain tightener sprokcet with badly worn teeth in the basement,the ones installed look o.k. though..
What should I do first to establish the chain elongation? Would the 2mm intake valve travel still give an accurate reading in this case?Or the radical decision-change evrything(chain,new master link,guides etc.).And no,I do not know if it`s still the original chain in there Perhaps some woodruff key installed in the rebuild that gives the before TDC readind?...Too many unknown things here I really need the sequence of steps...
I did the search,believe me
Vengerov, w110 200D om 621.918
Thanks!!!