Originally Posted by PStov98TJ
As far as I know upper adj. CA's are a must with a CV (DC) shaft because the pinion angle has to be dialed in to not cause the driveshaft to bind and vibrate. And adj. lowers are a good idea as well if you've got the money.
Yes if you run a DC driveshaft you need to have at least adj uppers to set pinion inline with DS.
Myself, I used uppers and lowers for more adjustabilty and other factors.
And there is a bit more to this:
Than just buying and bolting on. Not trying to discourage, just prepare.