I was shocked it wasnt your balancer, but I have been thinking about this over and over again. We havent given up on you. Worst thing is it comes apart for a complete look see, which I assume others have said and you are now contemplating

Steve

1953 Chevrolet 3100
261 cu inch, sm420, 3.55 rear, torque tube still,omaha orange, still 6 volt, RPO green glass, side carrier spare, all done
In the DITY Gallery
Video of the 261 running

1964 GMC 1000
305 Big Block V6, sm420, the next cab off restoration