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
ls1mike's avatar
ls1mike
Explorer II
Oct 30, 2018
colliehauler wrote:
ACZL wrote:
GM had a darn good set up with their 8.1 gasser few years back. Too bad they did away w/ it. How many folks long for the days of Ford's 460, GM's 454 and want to say Dodge/Ram's 460 cu in engines?
They were good engines in their day but inefficient by today's standards. I owned several BB Chevy's, and a 428 and 429 Ford's.


I agree, my current 6.0 is miles ahead of my old TBI 454.

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