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Seems as though the pin which holds the rocker piece which in turn moves
the control unit input lever closer to the reference screw (as engine
heats up) had broken its weld and was pulling out.
Cleaned thoroughly with carb cleaner and hammered in, but not quite all
the way. Put a good dollop of JB-Weld all around pin, and finished
hammering in.
Installed 'adjusted' dummy actuator and adjusted gap to 19 thou. and
installed long and short rods.
Care to comment? Anyone? Any one at all?
JB Weld is great stuff. There was a recent post about cam bearing studs
that had stripped requesting a repair suggestion. While heli coil is the
best answer, I've repaired same problem by gluing stud in with JB
Weld. Also use JB weld to fill pitting in brake/clutch master and slave
cylinders, and around the machined joint where the block and piston liner
seal, as well as cylinder heads with pitting in critical areas around the
head gasket between the cylinders. When cured JB is easily machined and
honed. Enough?