Since you mentioned it, I checked the 04 Cobra specs and found something interesting.
The '04 Cobra T-56 ratios are
2.66, 1.78, 1.30, 1.0, 0.80, and 0.63
Some older information I had for a Tremec T-56 gave ratios of
2.9, 2.07, 1.43, 1, 0.84, and 0.57
Guess one needs to pay...