The problem you may have, without a bumpsteer kit, is that on the stock racks you can't adjust the tierods enough to regain the proper angle.

John

 

that sounds very convincing ^^...

 

If the guy doing your alignment is the same guy that told you your sway bar was causing your issues I would go else where. It doesn't sound like he knows enough to help you. You can Steeda and they usually help with tech questions