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Thread: 2008 z71 oil

  1. #1

    Default 2008 z71 oil

    Hi, I have a 2008 LT3 Z71. The dealer is still getting me a owners book because the lease return that I bought did not have one. I am going to change the oil and I do not know what type or weight to use. Does it have to be syn. oil or just normal oil? what weight? this truck does have active fuel management with a 5.3L. I have a 2006 300c that has a displacement engine and I have to use 5w20 in it. Anything else that you can tell me would be helpful. I am waiting on the owners book because they are on back order....right! I really doubt I will ever see it!

  2. #2


    5w30 what ever brand you prefer i use Kendal because thats what we got at work, if your going synthetic go amsoil

    2003 Z71 Silverado LS
    Access roll up cover
    Bed Rails
    Billet Grill insert
    Bed Rug
    CB with PA system
    Waiting to be installed
    Two 8in RF HX2 punch( would have 12s but they got stolen)

  3. #3


    Thanks for the quick reply. So this vehicle does not have to have synthetic oil?

  4. #4
    Legend mmorgan1865's Avatar
    Join Date
    Feb 2010
    Port Orange, Florida

    Default You can download your manual from here. It's always good to have it in .pdf format.
    2010 Silverado Ext. Cab LTZ 2 WD 6 ft bed
    5.3L 6 speed w\ 3.08 rear end
    Navigation Package
    Westin lighted boards
    Undercover SE tonneau cover
    It's a start!

  5. #5


    Thank you so much mmorgan1865! I am going to do that right now! Like I said I am not holding my breath on the dealer getting me one.
    Thanks again,

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