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12 Bolt Question

Discussion in '1969-1972 K5 Blazer | Truck | Suburban' started by cleszkie, Nov 1, 2002.

  1. cleszkie

    cleszkie 1/2 ton status

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    Will a 12 bolt out of a 67-72 4x4 Chevy (leaf-sprung) pick-up have the same spring perch width as a 69-72 Blazer? /forums/images/graemlins/confused.gif
     
  2. Steve_Chin

    Steve_Chin 1/2 ton status

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    Same axle, same truck. So, yes.
     
  3. TheBlazerKid

    TheBlazerKid 1/2 ton status

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    yeah as said above it should, but doesn't the axle from a blazer have the pinion pointed up more via the spring perches to compensate for shorter wheelbase? I'm not sure but I know the 14 bolt i got from a 84 crew cab was straight on and the 12 bolt that came out was angled up more. ths creating the need for pinion shims.
     

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