I'm running 36psi right now in my 315/75-r16's. I might go down.
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2001 Dodge Ram 1500 SLT Off-Road Quad Cab, 5.9L, Auto, 4.10 gears, 3" Rough Country lift, Heckethorn 8000 shocks, duel stabilizers, 315/75-R16 Wrangler MT/R, 16x10 M/T Classic II, Flowmaster custom duel exaust, K&N Gen II.