I just got back from 3 hours in the snow. I have plenty of weight in the van. The stock tires just don't have enough surface area meeting the road. These are the hancooks Ford put on from the factory. Only 4000 miles on them. The tread seams similar to the Michelin LTX I ran on my E 350. I really need to increase the size of the tires. It's bordering on dangerous driving on these hancooks.