One of the significant hurdles for me was the rear tire. The rim is 17x5 (Harley) tubeless and also can not be more than 27 inches in overall diameter. I found this tire and think it will fit and work fine for my application having a recommended rim width of 5.5 versus my 5 inches.
http://www.tirerack.com/tires/tires....omCompare1=yes
arklan:
The height is barely enough for me to fit inside wearing a motorcycle helmet, which is the current requirement in Virginia. The highest part is in the middle, the upper protion of the passenger compartment is circular in cross section so the height you talk about only exists in the center. Also with this configuration there is no room for any console or any space between the seats, similar to an early VW but even less by design.
regards
mech