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Old 09-25-2009, 10:35 PM   #48 (permalink)
IsaacCarlson
eco....something or other
 
Join Date: Jul 2009
Location: Colfax, WI
Posts: 717

wood hauler - '91 Ford F-250
Team Pontiac
90 day: 18.97 mpg (US)

Rav - '06 Toyota Rav4 Base
90 day: 26.52 mpg (US)
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New tires are weaker than broken in tires.

New tires should not be fully loaded or highly inflated because the steel bands in a new tire are all slightly different lengths and therefore some of them are bearing more tension than others. The steel bands in a used tire have been flexed and have stretched to the same length to bear forces evenly, making the tire MUCH stronger than a new tire. Inflate your tires to recommended specs for a few months and don't fully load them, to let the bands equalize, then increase your tire pressure, and payload.

I need two new tires this fall and will not be running my normal 50 lbs right off the bat.

Just my $.02 worth....
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1991 F-250:
4.9L, Mazda 5 speed, 4.10 10.25" rear
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