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lifting 67 gmc truck?

Discussion in 'The Garage' started by bigbadchev84, Oct 26, 2004.

  1. bigbadchev84

    bigbadchev84 1/2 ton status

    May 17, 2004
    Likes Received:
    Hermiston, Oregon
    got an off topic question... I have a 1967 gmc truck, im not sure if it is 3/4 or 1 ton, but when i swapped my blazers running gear out to 3/4 i saved the axles and tires, they are 3.73w/locker and new 33 inch tires, i also have the old 4" lift springs for it, i was wanting to rip the old running gear out of the gmc and stick in the new, does anyone know if my springs are the same length? what other problems might i run into? i already got a new steering box for it too. thanks
  2. diesel4me

    diesel4me 1 ton status Premium Member

    Jul 24, 2003
    Likes Received:
    The front springs are shorter on the 67-72 GM 4x4's than the 73-87 style--not to say you cant make them fit,but its not going to be a bolt in.The front axle is a maybe--I know the 71-up blazers and K series can use the 73-87 front axle housing assembly,but I'm not sure of the "closed knuckle" style,its been 10 years since I had one--but they may share the same mounting dimensions.The sttering box is a maybe too--I havent seen a 67 with power steering in a long time--but I assume the later box would fit,or at least be adaptable,since the frames didnt change much from 67-72,and the 70 up K trucks had power steering boxes the same style as the 73-87 ones(78-up had metric fittings on the pump and box).

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