I'm a stickler when it comes to payload. My 2500 has 2250lbs of payload based on LT275/70R18 tires(3640lb max load for tire). I currently have 285/60r20 tires(which has the same max of 3640lb), if I decide to get LT295 tires with a max of 4080lbs, can I sneak out another 440lbs for payload and feel comfortable about it?