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Thread: Oil

  1. #1
    Master Mechanic CarpenterGuy is a glorious beacon of light
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    Default Oil

    Is the recomended viscosity for silverados 5w-30?
    I usually use 10w-30 but andvanced auto didn't have anymore cases of it so i picked up 5w-30. i'm about to change the oil and i was just curious.
    2006 Silverado Z71 - 97,000 - totaled, RIP
    2006 Silverado Z71 - 70,000 (K&N 77 Series CAI, PowerAid TBS, Magnaflow dual rear exit, 33x12.50 Mickey Thompson MTZ, Tuff Country Torsion Keys, Tuff Country Add-A-Leafs)

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  2. #2
    Sr. Mechanic bill190 is a glorious beacon of light
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    This information should be in your owner's manual.
    92 GMC Sierra 2500

  3. #3
    Legend 1st Synthetics is a name known to all
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    Default

    Almost all Gm's are 5W-30. You will get better MPG with the 5W-30.
    2008 GMC Sierra 2500HD Ex. Cab, Fire Red, 6.6L Duramax LMM Equipped with UTG Rocker Pods


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  4. #4
    Master Mechanic CarpenterGuy is a glorious beacon of light
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    sweet. thanks
    2006 Silverado Z71 - 97,000 - totaled, RIP
    2006 Silverado Z71 - 70,000 (K&N 77 Series CAI, PowerAid TBS, Magnaflow dual rear exit, 33x12.50 Mickey Thompson MTZ, Tuff Country Torsion Keys, Tuff Country Add-A-Leafs)

    I'll keep my money, guns, and freedom. You keep the Change.

  5. #5
    Master Mechanic tattooed4life is a splendid one to behold
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    Check your oil filler cap mine and my ol' ladys vehicles say what is recomended right on them.
    1997 Chevy K3500
    4x4 X-Cab Dually
    454 Dual Exhaust

  6. #6
    Legend 2ToNe04 is a glorious beacon of light
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    5w-30 synthetic.

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