i want to buy a motor off the street on the recycler, my only problem is that how do i tell if that motor haven't been stolen??? a friend of mines bought a motor and he ran the vin # in car fax because the chp would not run it for him over the phone untill he brought it in. the title came out clean but when we took it to the chp dept, they ran up the block number and the motor was stolen. they took his motor and charge him with buying stolen stuff... how can you tell??? please help thank you...