05-08-2008, 09:56 PM
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#6 (permalink)
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Senior Member
Car: 2005 300C magnesium
Join Date: Jun 2004
Member Number: 232
Location: fremont ca
Posts: 3,332
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I'll bet the tire manufacturer's minimum recommended tire pressure is 34lbs.
2 extra pounds for each 2in increment.
18" 30lbs, 20" 32lbs, 22" 34lbs.
But maybe the amount of sidewall could change this rule of thumb.
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Last edited by joey : 05-08-2008 at 09:58 PM.
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