When using the chalk method, should your tires be cold or hot. I know they say cold when using stock tires and following the manual, but what about larger tires? I mean you drive the largest percent of the time with hot tires.
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The chalk method works ok for getting in the ballpark for correct tire pressure. The idea is that you put a chalk line across the tread and down the sidewall to the lettering. Then you drive it and make some turns, go straight, etc... Then when you're finished look at the line on the tires. You should still have a little on the sidewall part and none across the treads if your pressure is correct. If your tires are over inflated, you'll have a little chalk on the outside edges of the tread, under inflated will give you a little chalk in the center area of the tread. I used to do that to help keep an eye on tractor trailer tires when I drove. It made an easy indicator if air pressure wasn't right.
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