sic7camaro

iTrader: (21)

i just got a tci flexplate,th350,and a converter. from a friend.that came off a car that he just bought.i took my car for a drive and while driving it kind of feels like it slips.like a clutch slip.i rev it while on drive it dont move much till 3k rpm.is that called flash?or something wrong with the th350?.when i foot brake it only goes to 1,500 rpm.also when i put it on drive it clunks.is this ujoints,rear end or trans?thanks for the help