I just got a set of Cooper Rugged Trek 35x12.50r20 installed yesterday and they aired the rears to 75-80 and the fronts 65-70.

The truck itself feels a little squirrelly on the side to side, is this because of the pressure?

I don't recall my old Mickey Thompson's being aired up that much.

Anyone have experience?

Running a 2500 Megacab.

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