Dismiss Notice

Welcome To CK5!

Registering is free and easy! Hope to see you on the forums soon.

Score a FREE t-shirt and membership sticker when you sign up for a Premium Membership and choose the recurring plan.

12 bolt pinion diameter?

Discussion in '1973-1991 K5 Blazer | Truck | Suburban' started by BowtieRed, Jan 5, 2003.

  1. BowtieRed

    BowtieRed 1/2 ton status Author

    Joined:
    Dec 31, 2002
    Posts:
    1,776
    Likes Received:
    0
    Location:
    Winston-Salem, NC
    In a 1978 Blazer, with a 12 bolt rear, what is the pinion diameter, 1.438, or 1.625? thank you, need to find out for my auction.
     
  2. tarussell

    tarussell 1/2 ton status

    Joined:
    Dec 28, 2002
    Posts:
    1,354
    Likes Received:
    0
    Location:
    Bagdad , FL
    The truck uses the smaller one and the car version is the bigger one.
     
  3. 89GMCSuburban

    89GMCSuburban 1/2 ton status

    Joined:
    Nov 15, 2001
    Posts:
    3,005
    Likes Received:
    0
    Location:
    Thornton, CO
    1.438...the larger one is the 10 bolt's pinion stem
     

Share This Page