Forum Discussion

Groover's avatar
Groover
Explorer II
Oct 20, 2018

A new gas engine for GM heavy duty trucks is coming

A new 6.6L engine with 400hp and 450lbft of torque is coming for 3/4 ton through medium duty GM trucks. It will have all of the new fuel saving tech and seems to emphasize torque over horsepower. It...
Tow Vehicles
Bedlam's avatar
Bedlam
Moderator
Oct 20, 2018
You don’t want to be first year owner of any these engines even if they are a derivative of proven older designs. You may be better off with the last run of the older engine if you cannot wait that long.

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