SECTION 5-A 1956 BUICK DYNAFLOW TRANSMISSION SPECIFICATIONS, DESCRIPTION AND OPERATION 5-1 1956 BUICK DYNAFLOW GENERAL SPECIFICATIONS 1956 Buick Dynaflow Transmission Identification Number A production identification number is stamped into the lower edge of the reaction shaft flange directly to rear of the high (left) accumulator. The identification number consists of a letter followed by a [...]