the old non-syncro three speeds for the '55 thru '57 pass cars, the corvettes '55 thru maybe '63, the Chevy lls '62 thru '65, and half tonners second series '55 thru '67 all used the "long" tail housing, which was the same length as the PowerGlides, and t-10 and muncies. The pass cars '58 thru '65 used the same front cases, but had shorter rear housings that required longer driveshafts. The early long case chevy lls had transmissions with mounting pads-the Half tonners, '55/'57 pass cars, and 'vettes did not--but those tail housings would swap--all would swap if you used the mating tail housings and proper tail shafts the three speed 'vettes had 2.20 low/ 1.32 second gears Same as the 2.20 low four speeds. if you could stand them. and could be put into any of those boxes--needed low, second, and cluster gears to do it. The "good" price at the dealer parts counter used to be $75 (in '64).
