GMC Truck Forum banner


  1. Wheels and Tires
    New to forum. Recently purchased 21 AT4 with 6.2L. Swapped stock 18" wheels and Duratrac tires out for 20" Fuel Wheels and stock 275/60/20 Nitto Ridge Grapplers. Spend most of time on hwy. Over 400 mile trip, at high speeds floats a little. Looking at switching to Toyo Open Country AT3 or...