i just bought another gn,this car has 111,000 miles,the guy said he took the stock turbo off at 52,000 miles and upgraded it,i check the shaft and there is a little side to side movement,he says it was good,but i can't guarntee it for sure,he also gave me a 2 1/2" hooker super comp down pipe,i would like to trade this stuff for a scanmaster,the turbo is really clean,no oil all over it at all,also it does spin freely,email me at cashley2@cfl.rr.com ,if you are interested