Tire shopping time! What are the minimum load ratings I should look for? An Interstate with 2 people can easily hit 1100 lbs. but that doesn't mean both tires carry that. OTOH I don't think you can just split it 50/50 either. I've tried searching online but can't find them. Even the owner's manual doesn't give me the info. I could just look at the tires I have now but I have no idea if they are correct.