dude, i daily drive mine. its on 33's. its stock 1.3 that is carb'd. it will do 70. i have driven it from vb to gloucester a number of times. the only thing i see being a problem would be the hills.

unless like Brandon said. put 5.38's in the axles. i had 5.12's and it would still slow down on big hills. or get one thats swapped already. if you have got that much to spend there are a few around here for near that

my opinion is either 33's, 5.38 gears and hope you got a strong running 1.3 or get one with a 16v and do 33's and something like 4.62's. i wouldnt really put a t case in it. i had 5.12s when i put a geared t case in. and it ended up being WAY too much gear. as in the motor got spun up too quick on the highway. ie: barely 60mph but already at 4000rpm's.

dude, i have daily driven a samurai for the past 4 or more years. so i already know what your worried about with interstate driving.