X2 on the tcase gears and cradle. My previous tin top had a weber, YJ spring swap UNDER the axles, mercedes half hi steer, 31" tires, and LROR 4.9 gears in the case. Once I got to that point, it could do 60-65 down I-90 from Astoria Oregon to northern Idaho (500 miles) with no issues. I imagine if I had done the kick motor swap it'd been a non-issue to sport a RTT around.
Sure it's a short, lightweight rig, but those Suzuki engineers were no slouches. So long as you excercise prudence in the suspension/steering setup (i.e. steer clear of eyeball engineered spoa setups and backyard scrapmetal hi steer contraptions) they will handle the highway suprisingly well, and still kick the socks off most larger rigs offroad.
I also had Buick seats in mine, indexed back to better accomodate my 6" height. Most comfortable vehicle I've ever sat in (except maybe the original buick).
If you search around the interweb, there's a couple who took a Samurai from Arizona down through South America. Almost no issues, the few they had were easily fixed by local mexhanics or on the side of the road. These little rigs were built for the third world...
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