CumminsDriver wrote:
I haven't seen it mentioned yet, but transmission gear ratios along with only having the 3.73 gears hurts the GM for the big tow ratings. The Allison has a 3.23 first gear compared to the Aisin with 3.72 I believe and the Fords 3.93 first gear. Throw in the 4.10 gears for the Ram and Ford and you have much better take off capability compared to the GM.
Rich
i think this answers my question as to why gm tow ratings are so much lower. combination of no 4:10 and the allison trans. that all makes sense.
