On the Explorer I run them around 42 psi. Rides better and mpg is better.
The svo on the highway about 35 psi but on the autocross it is closer to 22 psi so they heat up faster and more grip on the road.
You want your tire to be flat on the road, you could do the shoe polish on the thread to see how much is touching the road. I do it to see how much roll over I have on the track.
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''Life's tough... it's even tougher if you're stupid.'' - - John Wayne
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