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. . 261 . . out of a 1962 Chev 1/2 ton.

. . I just got the used 261 w/ 3 spd and OD into my 53 half ton.
Was that transmission a truck or a car transmisssion (maybe some else knows if a 261 w/3-speed and overdrive was available on a 1962 1/2 ton truck)?

My 1960 261 came with the timing-bb on the forward side of the flywheel. This engine (and flywheel and clutch assembly) is now in a 1954 1/2 ton truck, using the '54 clutch/bell housing, with no hydraulic clutch (converted to 12v).