mstng675l

I think that it is your rear end.... I have the same problem and i have brand new u-joints... I am taking the car to get my new posi and gears put in in like a week so im not to worried....but like i said i would have the rear checked out.... Dont think that it was the u-joints, but you never know you should also check those.....

90Mustangfan

well I called a trans/drivline place and they said it was normal for that to happen a little. So im happy, but Im going through and rechecking bolts on the trans mout anyway.

vfast

I would put in new u-joints if that doesn't work the you need a thicker pinion shim