Goin off of LugerLex2000 wobble thread....
At 40mph, when what i feel is the truck shifting into its last gear(auto), is it possible that a bad/going bad T.C., can create a vibration/shake?
I bought these tires 12/2017-10kish miles on them. When getn them balanced, the dude mentioned that the 1 was within "range" but, keep it installed on the back....i wont offer anymore info but, i have more and trial/errors ive done with different outcomes.