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synthetic oil

Discussion in 'GM 6.2 Diesels' started by Bimpy, Jun 15, 2016.

  1. Bimpy

    Bimpy New Member

    4
    0
    Mar 19, 2016
    Trenton MO
    Any thoughts on using synthetic oil in 1982 6.2 red block?
     
  2. JayTheCPA

    JayTheCPA Well-Known Member

    1,441
    590
    Jun 13, 2011
    Annapolis, MD
    Search around for use. Also include searches in the 6.5 section as the motors are very similar.

    Using synthetic is much like philosophy. Some are followers, some are not.

    If the goal is extending the drain interval, only do so when getting oil analysis at *least* every normal change interval (per dyno use). Also, continue to change the filter at the 'normal' dyno drain interval.


    If you do decide synthetic, I would not pay extra for 'extended drain interval' blends as the 6.2 will most likely not let the oil go past 5K; 10K if you are lucky.
     
    FellowTraveler likes this.
  3. Bimpy

    Bimpy New Member

    4
    0
    Mar 19, 2016
    Trenton MO
    Thanks Jay I am not a big fan of switching oils anyway. I hate to try this with bad results and have to switch back. I was thinking maybe a little easier to start in the winter
     
  4. jrsavoie

    jrsavoie Recruit

    5,355
    372
    May 8, 2008
    Rural Clifton, Illinois
    I use Amsoil in everything. I've had good longevity with all my engines so I stick with it. I use the Amsoil 5W30 heavy duty diesel oil year round in all the 6.5's

    The recommended oil in everything else.

    I've never sent in an oil sample that came back bad
     
    FellowTraveler likes this.

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