GM 6.0/4sp vs. 8.1/Allison vs. 6.0/6sp
Hi all. My Towrig in Sig is getting a little long in the tooth. We just bought a New to us Toyhauler which is quite a bit heavier than our old trailer and my truck is hating life lol!! We were pla...
Forum Discussion
IIRC when the 8.1 was in gm twucks, the 6 sp emanual was std, including for the dmax in the early years. It was about 04-05 or there abouts that the auto was the only option in GM rigs.
The 4 sp auto was std behind the 8.1 in burbs.
I would not have any issues with a 4.10 or 4.33 geared 6.0 pulling trailers upwards of 15-20K lbs personally. Assuming I had the correct chassis to go with this drivetrain.
Marty
The 4 sp auto was std behind the 8.1 in burbs.
I would not have any issues with a 4.10 or 4.33 geared 6.0 pulling trailers upwards of 15-20K lbs personally. Assuming I had the correct chassis to go with this drivetrain.
Marty
