Unforgiven -
I had no idea about the joint venture with Ford. I don't think this will add to your knowledge, but I googled "
ford transmission 6T70/75 gear ratios" and found some more URLs to read :
GM to Incorporate Innovative Transmission in 2007
GM plans to offer more 6-speed trannies than any other - AutoSpies Auto News
GM-Ford 6-speed automatic transmission - Wikipedia, the free encyclopedia
Code:
Gear ratios:
1 2 3 4 5 6 R Final drive
4.484 2.872 1.842 1.414 1.000 0.742 2.88 2.77, 3.16, 3.39
The Aura *appears* to be setup for the tallest geared configuration.
CarloSW2