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Tire pressure?
I've been a lurker on this site for awhile and have picked up some very useful information. I have a '96 Chevy Blazer (V6) that is rated at 17/21 mpg. After trying some of your techniques; mainly more conservative driving and going 58-60 on the highway, I have been able to increase my highway mileage to a best of 28.9 mpg. Future mods call for an upper grill block, air dam and tire spats. I do have a question regarding tire pressure. I understand that by increasing tire pressure you are going to lower rolling resistance but won't the tires wear out sooner; especially in the center of the tread? If the tires wear out sooner, the gas money that has been saved won't stay in my pocket, it will have to go toward a new set of tires. So, the question is how much you can increase tire pressure without adversely effecting tire life? The sticker on my car calls for 32 psi.
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