Originally Posted By: dogememe
On my Suburban ever since the tire shop installed my new tires they looked very low, in fact two people have pointed it out to me. I checked the pressure and it was about 35, which is what the door sticker says. However, I increased it to 40 all the way around, and they look a lot better, the ride quality is definitely firmer, but I like that the whole truck feels less squishy now. I did notice that on the highway the steering feels much lighter - not sure if that is good or bad. I'm curious what the downside is of having the tire pressure this high? On the tires it says 51PSI is the max so I'm not too concerned about blowing a tire but just in terms of handling and wear...
The higher the pressure, the smaller the contact patch, the less grip you have.
Fun fact: F1 cars only run 12 or 13 PSI in their tires.
On my Suburban ever since the tire shop installed my new tires they looked very low, in fact two people have pointed it out to me. I checked the pressure and it was about 35, which is what the door sticker says. However, I increased it to 40 all the way around, and they look a lot better, the ride quality is definitely firmer, but I like that the whole truck feels less squishy now. I did notice that on the highway the steering feels much lighter - not sure if that is good or bad. I'm curious what the downside is of having the tire pressure this high? On the tires it says 51PSI is the max so I'm not too concerned about blowing a tire but just in terms of handling and wear...
The higher the pressure, the smaller the contact patch, the less grip you have.
Fun fact: F1 cars only run 12 or 13 PSI in their tires.