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
harmanrk's avatar
harmanrk
Explorer
Oct 27, 2018
ib516 wrote:
I'll pay a 2-3 mpg penalty at the pump (for less expensive fuel mind you), for a bit less power and gain reliability, and avoid the OMG repair costs that are inevitable in any engine.


You 2-3 MPG loss may be a bit optimistic. Also, you definition of 'a bit less power' and mine are wildly different. (HPs may be close, but 400 ftLbs vs 900+ is not a bit less)

About Travel Trailer Group

44,029 PostsLatest Activity: Jan 21, 2025