derekrol

i have a sa22c rx7 with i juest put a s3 rear end into i had the lsd center rebult, however i started the car with the diff housing on axle stands and i notised a bad vibration at around 65ks in 5th gear!!! i changes the drive sharft for a new one but still the same so i check the play on the disks and got .30mm of play on the flat of the disk and .05 of side to side movement on the axle
is this normal