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Old 06-03-2008, 10:59 AM   #76 (permalink)
ebacherville
Veggiedynamics
 
Join Date: May 2008
Location: Alexandria, MN
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Volt12 - '12 Chevy Volt base
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remember the tires pressure changes constantly as it rolls down the road and impacts cracks pot holes etc.. the side wall rating is far from the burst pressure.. I run 5 over and feel perfectly safe... however at higher pressures you get a harsher ride as there is less flex in the tire.. just like a low profile tire is harsher as there is less flex in the sidewall..

Really it depends on your car your driving style etc.. and generally what you feel is best for you... do what you feel is best.. I feel more pressure is better, better FE and control.. less side wall flex.. however i do feel it in the ride quality.
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