After reading mikes post, I went back to the beginning and you didn't say that you had a over heating problem. That's a different story. we need specifics. Did this happen all at once, did you change something and this is a result, is it really hot, or does the gauge say it's hot!
86 CJ7 5.7 vortec. 4L60,D44's,OBA,Air tank bumpers w/D rings detroits,4.88,35" bfg, mt's 9500ti warn
86 CJ7 2.5 detroits, OBA 4.56, air tank bumpers, w/D rings,9500I warn 31x10.5x15, Trxus
86 CJ7 bone stock, w/factory 44 never seen the dirt soon to be for sale
87 Wrangler also never seen the dirt.