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3.0 duramax

  1. General Discussion
    I recently bought an AT4 with the 3.0 Duramax... I’m now discovering that it’s near impossible to find a quart of DexosD oil to keep in the garage in case I need to top off. Other that the Mobil 1 branded version which doesn’t exist in stores either, what else can be used?
  2. General Discussion
    With the introduction of the 3.0 Duramax as an option in the 1/2 ton lineup, my interest has peaked with the capability and features the diesel provides to everyday pickup drivers who also tow lighter loads on occasion. I had the opportunity to test drive a new 2021 GMC Denali with the 3.0...
  3. 2020+ LM2 Duramax Powertrain
    I sold my 2016 2500HD Duramax and got the Sierra with the 3.0. I had to drive a ways to get the cab/bed/engine configuration I wanted and was excited to get it home! I had a 350 mile run to get acquainted. Awesome drive home! Next morning I have an immediate mil and engine in reduced power mode...