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what is recomended psi on 18' tires?

   
Old 07-30-2003, 11:44 PM
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what is recomended psi on 18' tires?
I just installed my 18' tire (245/40 18) and rims (18x8) on my car and I was wondering how much psi should I put on the tires for everyday use? or should I follow
what is recommended in the manual?
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Old 07-30-2003, 11:46 PM
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I run with 35 psi on my tires 235/40/18.
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Old 07-31-2003, 07:57 AM
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i do 40
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Old 07-31-2003, 08:07 AM
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I run 40 as well, the max pressure they recommend on the Nittos is 44psi
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Old 07-31-2003, 09:56 AM
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For 18' tires you probably need about 420psi
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Old 07-31-2003, 10:04 AM
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40
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Old 07-31-2003, 10:20 AM
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Originally posted by Maxxxed
For 18' tires you probably need about 420psi
Good eye!
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Old 07-31-2003, 10:39 AM
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18' tires
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Old 07-31-2003, 10:49 AM
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Originally posted by Maxxxed
For 18' tires you probably need about 420psi
You beat me to it.
Talk about reducing wheel gap.
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Old 07-31-2003, 11:15 AM
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I run 32 psi.
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Old 07-31-2003, 11:18 AM
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Originally posted by 02MAXSE
I run 32 psi.
thats not good! u will eat ur rubber like that. put 40-42 in them
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Old 07-31-2003, 11:21 AM
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Originally posted by Igor911
thats not good! u will eat ur rubber like that. put 40-42 in them
I just put what I put in my SS which has 17"s. Did't know I was suppose to put so much air in an 18" tire.
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Old 07-31-2003, 11:24 AM
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in 17 u put about 28-30psi...in 18" u gotta have at least 40
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Old 07-31-2003, 11:25 AM
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Originally posted by Igor911
in 17 u put about 28-30psi...in 18" u gotta have at least 40

Cool, glad to know that.
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Old 07-31-2003, 01:02 PM
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The Maximum PSI should be 44, just put 38~40, you need 4~6 PSI to expand the air while you drive.
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