Alignment and balance can be fine and in specifications did you check
ball joints?
Tie rods?
Pitman arm?
All can wiggle a little, put heavy stress and rolling resistance together they can wiggle a lot.
My oil lines to the radiator were leaking so I decided to change them and as well install the true cool 40K oil cooler. Original thought was to go o.e.m.. but I wanted to create something more stout.
Kept the tube. Re flair the tube. Aluminum CNC machined with ferrule brass washers, some thread tape -8an fitting with -8an hose. Waiting on the radiator adapter. T.b.c