I think it's very unlikely w/ the suspension assuming you're at 55mph compared to 65mph+. The tires will be more susceptible to damage from larger obstacles like bit pot holes or rocks, but as long as your commute is reasonably smooth you should be fine.
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Originally Posted by FormulaTwo
I think if i could get that type of FE i would have no problem driving a dildo shaped car.
I personally drive at 55mph, but the person who I am asking for usually does 75-80mph. They also encounter some pretty bad highways. Michigan roads are a... well, a *****. This person also carries anywhere from 100-500 lbs plus on a daily basis due to their line of work. They drive a GMC Envoy XL.
If the load range of the tire is correct for the weight of the vehicle-with a Suburban I'd say battle tank - there should be no harm in increased tire pressures . If disgression is used , that is .Try 80% of max sidewall first then bump it up 2-3 psi a tank fill to owner satisfaction or within 20-30 % *over* max sidewall . This is my personal way of testing and not a recommendation to *just do it* without owner attention .
Sorry for the tire rack recommendation - I just find the site useful for a lot of info about rolling stock Not just shopping . Pertinant info follows :PSI & Temp fluctuation
I have run 60 psi for ~10K miles in the tires that were on my Saturn with no visible signs of uneven wear. My son's car has 55-60 psi in the same type of tires with no odd wear patterns either. They both are Goodyear Assurance Comfortread.
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Horsepower is how hard you hit the wall, torque is how much of the wall you take with you.
Before I got on this forum, I ran mine anywhere from 35-37 for thousands of miles, no abnormal wear. The car says to use 29. Now however I have them at 39 psi. we'll see how they wear after a year or so...