Couple questions

Discussion in 'GM Powertrain' started by jlsparky7, Jan 14, 2009.

  1. jlsparky7

    jlsparky7 Rockstar

    Just had a couple questions. Did a search and couldnt find the answers.

    What year did chevy start using the posi rear end?
    What year did they start with the g80? (are they the same thing or is it an option?)
    What year did they start with the Active Fuel management?
    If the truck has a posi rearend is it still and open diff in the front?
  2. 04sierracrewcab

    04sierracrewcab Epic Member 5+ Years 1000 Posts

    I only know the anser to the last one..
    The g80 is not in the front.

    Hopefully others know...
  3. jlsparky7

    jlsparky7 Rockstar

  4. jlsparky7

    jlsparky7 Rockstar

    bump again. Anyone?
  5. mehoff400

    mehoff400 Rockstar 100 Posts

    all i know is chevy/gm never put an limited slip or anything in the front they are all open in the front
  6. ChevyFan

    ChevyFan The Sheriff Staff Member 5+ Years 1000 Posts

    AFM was 2005 for the first year in some different vehicles I think. Could have been intoduced 1/2 way during 2007 for the Silverado/Sierra.
  7. jlsparky7

    jlsparky7 Rockstar

    Thanks guys, anyone know about the g80?

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