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2500/3500 vs 4500/5500/6500 Duramax power differences

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    • #772642
      nodigg
      Participant

      Please don’t input “because it will last longer” I only want to know the mechanical or regulatory reasons for the power differences on the Duramax.

      2022 2500 Silverado 6.6
      445 Horsepower
      910 Torque

      2022 5500 Silverado 6.6
      350 Horsepower
      700 torque

      Not why but how.

      Mechanical Components?
      Programming only?
      Where the power is measured?
      CARB compliance?
      Combination of any of the above?

    • #773123
      nodigg
      Participant

      No one?

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