bad!
the output shaft of the transfer case and the output from the rear
differential should be parallel within 5 degrees or you will get a
vibration.
this is not true if you have a double u joint(cv joint)
then what you have done applies.
old john


"Nathan Otis" > wrote in message
...
> I thought I had my pinion angle adjusted pretty well Sunday when I
attached
> the driveshaft, but I have a vibration that starts at about 40mph, dies
off
> at around 50 and picks up again at about 60.
>
> My helper and I held a carpenters square (the big L shaped one) on the
diff
> and lined it up that way, pointing directly at the output of the
> transfercase... Can anyone give tips that will get me dead on?
> n.
>
>