Wally,
More than likely you need another harmonic balancer, I had one do the exact thing last year
Last edited by sstock; 07/01/2020 2:59 PM.
1953 Chevrolet 3100261 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 GalleryVideo of the 261 running1964 GMC 1000305 Big Block V6, sm420, the next cab off restoration
