Re: cast iron Powerglide/aluminum Powerglide
Cars with the rearward trans mount got the aluminum trans FIRST...(per Chevrolet parts
superscession.) Think it being a BOLT-IN might have helped too....
Guessing that '55-'57 Chevies got to use the modern trans when "adding cross-
members" was permitted in SS...think mid 1970's?
Was at '74 Indy...and saw "Marrakesh Express" '56 wagon with 2x4 bbl Corvette
engine...and cast-iron trans....think it was SS/QA class...Trans was "smoked"...
all apart on trailer...with one of the partners in town...chasing down parts.
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