The oil consumption question is specifically on that first questionnaire....
Not all parts can be swapped for Trooper parts, and the biggest concern is pertaining to BODY PANELS.
Back seat weighs about 65 lbs, but it does add a ton of space. I removed mine within the first month. Got a long rubber cargo mat to fill the back space, made it very useful.
Contact member "Ala5ka". He specifically outfitted his for overlanding and so far has made the trek from Alaska down to San Diego. He resides part time in Wikenburg, AZ, and partly in AK. Suspect he's probably in AZ at this time of year, but not sure.
He did several detailed posts about it:
http://www.vehicross.info/forums/showthread.php?t=23967
http://www.vehicross.info/forums/showthread.php?t=25495