Ah a Jeep had one of the smaller ones next size down, which was part time manual selected 4wheel drive but did not get on with it really it was OK but felt the build was poor on that. I thought that the Transfer Box in the image shown was full time AWD a bit similar to the Rangerover. Had you changed it to part time or is that how some came. Much prefer Limited slip differentials my self not the plate or disc type but the Torsen, Ferguson geared type or the Geared ones built in the USA Detroit or Warn I think. I think that their are a few more manufacturers of geared LSD these days so not up to date on what is currently available. Any way I guess i teaching how to suck eggs to someone with a paltry farm so to speak so no offence intended. Had quite a collection of 4x4 and a 6x6x machines my self.