Yep blew the motor in my 02 TJ!  50,000 miles on it, boy am I pissed.  Never leaked or burnt a drop of oil, then trip home 8 quarts of oil in 800 miles.  Take it to a shop, they pull the motor and send it to a machine shop.  The machine shop says,"cylinders are scored, bearings are scored, crank is scored, valve guides are gone, seals are toast"  
Sorry just venting on a $2500 rebuild fee!
KILLERtj