R Roycer Member Messages 17 Reaction score 31 Jun 26, 2022 #1 Im not sure which one I need , I see there are different LBZ stock tune files ( vans, 4x4, 4x2) I have a 2006 gmc 2500hd crew cab short bed 4x4 duramax 6.6 (lbz) Can someone shoot me the correct file, ty
Im not sure which one I need , I see there are different LBZ stock tune files ( vans, 4x4, 4x2) I have a 2006 gmc 2500hd crew cab short bed 4x4 duramax 6.6 (lbz) Can someone shoot me the correct file, ty