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1979 1/2 ton Rearend

Discussion in 'Chevy Trucks' started by smokley455, Jun 27, 2012.

  1. smokley455

    smokley455 Junior Member
    Messages: 8

    How do I tell if I have a 8-1/2 or 8-7/8 rearend in my 1979 Chevy 1/2 ton pick up?
  2. thermo

    thermo Member
    from USA
    Messages: 30

    Count the number of bolts. GM 10 bolt = 8.5. GM 12 bolt=8.875.