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Tire size, need your help!

This is a discussion on Tire size, need your help! within the Wheels and Tires forums, part of the General Help category; What size of tires should I put on 18x8 on the front and 18x9 on the rear? I'm guessing 245-40-18 ...

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    Tire size, need your help!

    What size of tires should I put on 18x8 on the front and 18x9 on the rear? I'm guessing 245-40-18 on the front and 275-35-18 on the rear. Does this sound right?

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    red
    1995/2002 camaro z28's

    get a 275/40/18 in the rear, 35s look way to thin imo, and 245/40/18 in the front

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    Senior Member mrr23's Avatar
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    dark bowling green
    2000 corvette

    245/40-18 = 25.7" tall
    275/40-18 = 26.7" tall

    this will cause ABS and braking issues need to stay with 275/35-18 which is 25.7" tall. both the 245/40-18 and the 275/35-18 will have the same sidewall height as they are both 18" diameter and 25.7" tall.

    sidewall height isn't just based on the middle number. not all 35 series tires have small sidewalls.

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    Thanks for your help

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    Quote Originally Posted by Somm50 View Post
    What size of tires should I put on 18x8 on the front and 18x9 on the rear? I'm guessing 245-40-18 on the front and 275-35-18 on the rear. Does this sound right?
    On the front lower the thickness to a 35, instead of a 40 for the front since you got 18's. The rear looks like a good size.

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    Member Phlash_riot's Avatar
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    Midnight Blue
    1999 T/A

    So what is the stock width for a 99 T/A's 16" rims?
    And keeping the original tire height what is the widest tire i can get? keeping in mind that i want it to fit with out any bumping and scraping on both the front and rear tires to include when turning...


    Also I am still having a hard time deciding what tire brand and type to get. Can I get a few opinions on this?

    Car is a daily driver but want to be able to weekend warrior it at the strip.

    ohh yea.. i want the to look cool too
    Last edited by Phlash_riot; 09-24-2006 at 01:54 AM.

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    Senior Member mrr23's Avatar
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    Quote Originally Posted by ferocity View Post
    On the front lower the thickness to a 35, instead of a 40 for the front since you got 18's. The rear looks like a good size.

    if you do that and not change the width, the difference in heights will cause an ABS error which will affect your braking. wonderful little sticky i put up at the top http://69.42.146.24/forums/showthread.php?t=11359 shows tires that are of equal diameter.

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    Senior Member mrr23's Avatar
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    dark bowling green
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    Quote Originally Posted by Phlash_riot View Post
    So what is the stock width for a 99 T/A's 16" rims?
    stock wheels are 8" wide.

    Quote Originally Posted by Phlash_riot View Post
    And keeping the original tire height what is the widest tire i can get? keeping in mind that i want it to fit with out any bumping and scraping on both the front and rear tires to include when turning...
    i have the 255/50-16 tires all the way around on the wife's car before putting the C5 wheels on. they are 26" tall.


    Quote Originally Posted by Phlash_riot View Post
    Also I am still having a hard time deciding what tire brand and type to get. Can I get a few opinions on this?

    Car is a daily driver but want to be able to weekend warrior it at the strip.

    ohh yea.. i want the to look cool too
    i got a pair of the same looking stock wheels and put some drag radials on when i hit the strip. then put the regular tires back on for everyday driving. makes the DRs last longer.

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