0/20 during winter?

Discussion in 'GM' started by TheStepChild, Sep 24, 2017.

  1. Based on wording in my sierra manual - would i be ok running 0/30 in the winter here? We will probably see some single digit temps, but not in the range the owners manual says.

    I have the 4.3 v6

    Just changed my oil today. The next oil change will be right at the start of winter
     

    Attached Files:

  2. 08EscapeHybrid

    08EscapeHybrid Moderator

    I use 0W30 in my 98 Sierra K1500 year round.
     
  3. jcp123

    jcp123 Caliente!

    The number followed by W will be the only one you'll care about in snowbelt winters.
     
  4. Which engine?
     
  5. 08EscapeHybrid

    08EscapeHybrid Moderator

    5.7 liter Vortec 350.
     

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