vetted wrote:

Ater 22 June 1966 it was back to Western Pennsylvania were I purchased a used metalic yellow, black interior 1964 Chevrolet Impala Super Sport dual quad carburator 425 horse 409 coupled to a close ratio Muncie 4 speed feeding at a set of 456s that I couldn't keep in one piece, the 3rd time I replaced with 411 and never had another rear end problem.