It was written:
> a set screw with a tapered end fell onto the bench. It was out of the
> rocker shaft tower at the rear of the head... Obviously it was just
> sitting in the hole (It locks the rocker shaft in place.)
Oh my, it does a little more than that!
As I recall, that screw adjusts the oil flow to the rocker assembly.
If it is tightened down all of the way, you may be starving the rocker
shaft for lubrication. It needs to be adjusted to provide a reasonable
flow of oil to the top end.
Or am I thinking of the A12 engine?
-- John
John F Sandhoff sandhoff@csus.edu Sacramento, CA
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