2020 GM/Chevy gas 6.6L max towing test

Lets be realistic, anyone who tows 16,000 lbs up and down the IKE on the regular is not buying a gasser anyway.

Good point.
That 40' LEQ is one heavy trailer and not a good choice for a gazzer with 401 hp and just 4xx torque.

I imagine after the first year bugs are worked out GM will uprate the 6.6 gazzer a bit.

JMO.....I would like to see Ike testing done by experienced haulers who know how to keep a engine in its power band by manual shifting.

Down hill engine braking ? Any gazzer will do poorly with 16k-18k lbs pushing .