It will always be a street car, but not a daily driver, so I can forgive some milage loss, and added ride harshness. Although so far I'm actually getting better milage then stock. Basically I want to be street legal and streetable but out run and out handle pretty much anything. 911 Twin Turbos for example.
For the 3.73 @ 60, it should be closer to 2150-2200. 3.73/3.27 * 1900 = 2167
At 70 I'm right at 2500.
Not that bad really.