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HELP!! NeedInfo on Swapping SM465 to T-400

Discussion in '1973-1991 K5 Blazer | Truck | Suburban' started by 83ZZ502_Jimmy, Mar 19, 2001.

  1. 83ZZ502_Jimmy

    83ZZ502_Jimmy 1/2 ton status

    Feb 7, 2001
    Likes Received:
    Richmond, VA
    I have an 83 GMC Jimmy. SM465 and 208 t-case. Was looking for any info on the possibilty of the swap to a t-400. I am sure that the output shaft is not 10 splines on the 465 but not sure if it is 32 or 27. Driveftshaft problems/lengths? Any info would be great.
    Thanks in advance,

    '83 GMC Jimmy 4x4 ZZ4 Crate Motor
    '84 Chevy P/U 4x4 Sand Drag Racer, 578 RWHP
    '94 Impala SS
    '93 Chevy P/U 4x4 454tbi

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