"Nathan Otis" > wrote in message
...
> Sorry guys, I guess I figured folks had been following my posts closer
> than this... I've been posting questions about this modification for two
> weeks now...

Remove your front driveshaft and go for a ride. If the vibes disappear, you
have to look at your front pinion angle/castor. Do you have adjustable front
control arms on this monster? I'd be willing to bet the vibes are in the
front if you have done everything right in the rear.

-Brian