I've got a pair with Radial TA's. 225 x 60 15's. Less than 200 miles on tires and rims. Only driven to local shows. I'm In Green Bay. Only pictures I've got are on the car in my photos.
The 1st thing I'd try is the gears. I think you'd notice a big difference by going to 3:55s and still have the streetability you'd want. It would be nice to know someone with a spare rear end with this setup or a junkyard. It's trial and error, but I think this would deliver the results you're...