Panhard bar

Hi anybody have some info on panhard mounting,got some bump steer on my dodge 68 truck and a panhard in the front cant hurt,the question is where to put it,conecting axle to frame is a given but is it supose to be parall whid the axle,have some space in front of the axle but its prutty tight,seen some pics where the bar is in an angle ws the axle looks like some kind of preload anybody whid experiance