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Help with numbers for tires

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Old 10-06-2003, 08:42 PM
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lkailburn
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Default Help with numbers for tires

Hey i'm a noob when it comes to these tire numbers. could someone briefly explain the difference. thank you
Luke

(205/40/17) (215/45/17) (235/45/17)
Old 10-06-2003, 08:44 PM
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theguy386
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First number is width, second number is sidewall height, and third is rim size
Old 10-06-2003, 08:53 PM
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DriftKing
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Originally posted by theguy386
First number is width, second number is sidewall height, and third is rim size
thats 95% right.

the first number is the width in CM. the second number is a percentage of the second number, which refers to the sidewall height, and the third is the rim size.
Old 10-06-2003, 08:54 PM
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dom93hatch
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Originally posted by DriftKing
thats 95% right.

the first number is the width in CM. the second number is a percentage of the first number, which refers to the sidewall height, and the third is the rim size.
fixed
Old 10-06-2003, 08:58 PM
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theguy386
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i was just putting it in simpler terms. :bigok:
Old 10-06-2003, 09:04 PM
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DriftKing
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Originally posted by theguy386
i was just putting it in simpler terms. :bigok:
its all good brotha!!
Old 10-06-2003, 09:09 PM
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lkailburn
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hey thanks guys i appreciate. i'm assuming the third of the bunch is the best?? but would i be ok with the first of the three? will i see a big difference?
Old 10-06-2003, 09:18 PM
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DriftKing
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Default Re: Help with numbers for tires

Originally posted by lkailburn
Hey i'm a noob when it comes to these tire numbers. could someone briefly explain the difference. thank you
Luke

(205/40/17) (215/45/17) (235/45/17)

Originally posted by lkailburn
hey thanks guys i appreciate. i'm assuming the third of the bunch is the best?? but would i be ok with the first of the three? will i see a big difference?

it depends on the wheel and the car. the third (235/45/17) will only fit on a 17x7.5" rim. the others will just be roughly the same, but the 215/45/17 should have a stiffer sidewall than the 205/40/17.*



*Correct me if im wrong guys
Old 10-06-2003, 09:21 PM
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theguy386
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Default Re: Re: Help with numbers for tires

Originally posted by DriftKing
it depends on the wheel and the car. the third (235/45/17) will only fit on a 17x7.5" rim. the others will just be roughly the same, but the 215/45/17 should have a stiffer sidewall than the 205/40/17.*



*Correct me if im wrong guys
:goodjob:
Old 10-06-2003, 09:22 PM
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The width is in mm.

Sidewall stiffness is dependent on the model of tire.

Generally to figure out what size rim to put the tire on, check out the manufacturer's specs. They will list a rim width range and a "measuring rim width." The measuring rim width is the size of rim you have to mount the tire on to actually produce a section with of whatever the specified size is.



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