I drove a long wheelbase, mid roof, T-250 with the 3.7 L. I don't know what the axle ratio was. The only expressway driving I did was about 4 miles from one interchange and another 4 miles back. On the return trip I had a head wind and at 65mph the transmission down shifted so I'm guessing it had 3.31 rears.
This van was extremely quiet even though it was totally open to the cargo area. The walls of the cargo area were covered with plastic panels which may have reduced the noise levels somewhat. The steering was very tight and responsive and the van maneuvered well through the crowed dealer lot.
Both seats had inboard armrests and like my Chevy, the driver's door had a molded armrest as part of the door panel. The armrests on the seats made for tight access to the cargo area. Ford advertises the cargo length at the floor of this van to be 143.7 inches. That's probably true if the seats are all the way forward and not more than a 90° angle of tilt. Practical cargo length is more like 134" which makes it comparable to a long wheelbase GM or extended Econoline.
I would like to test drive a high roof, extended length T-350 with the EcoBlaster. This dealer had one on the lot but it was a dually and I didn't have time to drive it. Of course the salesperson wanted me to make an offer on the van I test drove. I explained that to meet my specs would probably require placing a build order. He informed me that delivery time would be at least 4 months because the Transit is built overseas. He seemed confused to learn that the Transit is made in Claycomo, MO, a suburb of Kansas City and not overseas or even Mexico. I didn't want to confuse him further by giving him my version of how Claycomo got its name.
All and all I like the Transit but still question Ford's short wheelbase on the extended length model. Like its predecessor the extended Econoline, it appears Ford just stuck on an extra 2 feet to the rear. Also I'm not sold on the durability or fuel economy of the EcoBlaster, but its either that, a diesel or 4.10 rears.