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Old 01-07-2009, 11:29 PM   #1
puetato89
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205/40/17

What psi should i have it for best grip(idge)??
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Old 01-08-2009, 02:48 AM   #2
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Old 01-08-2009, 06:54 AM   #3
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I run 40 PSI everyday..... too low of pressure gives too much sidewall flex and will break traction faster while cornering
so low pressure is bad
too high of pressure is bad as well because it will not allow the tire to flex enough and will break traction under hard cornering
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Old 01-08-2009, 09:07 AM   #4
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depends on whether youre going in a straight line or turning

on the drag strip i used to lower my XRS tires down to about 20psi

the yaris for auto-x id put them up to about 38 front and 40 rear

DD i keep them around 35-36
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Old 01-08-2009, 10:35 AM   #5
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cool thanx guys... my cars in the shop getting fixed but as soon as i get her back ill keep her around 38psi all around...
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