C6 Tires

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Feb 17, 2006 | 05:46 PM

miac6

Thread Starter

Instructor

Joined: Aug 2005

Posts: 177

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From: Miami fl

C6 Tires

Please Help** need to know if 255/40/18 front and 295/35/19 rear would fit my c6 and if it would effect performances. Thanks

Feb 17, 2006 | 06:02 PM

Turbooo2u

Le Mans Master

Joined: Sep 2004

Posts: 6,714

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From: Providence RI

Diameter of tires would be greater. Technically, it would throw your speedo off. If you could get those in 255/35, 295/30, you might be better off.

Feb 17, 2006 | 07:08 PM

gkmccready

Safety Car

Joined: May 2005

Posts: 3,520

Likes: 3

From: Redwood City CA

Bit taller. At 1% it's probably not too noticable.

Code:

Specification  Sidewall  Radius  Diameter  Circumference Revs/Mile  Difference
245/40-18         3.9in  12.9in    25.7in         80.8in       784        0.0%
255/40-18         4.0in  13.0in    26.0in         81.8in       775        1.2%
255/35-18         3.5in  12.5in    25.0in         78.6in       806       -2.7%

Code:

Specification  Sidewall  Radius  Diameter  Circumference Revs/Mile  Difference
285/35-19         3.9in  13.4in    26.9in         84.4in       751        0.0%
295/35-19         4.1in  13.6in    27.1in         85.2in       743        1.0%
295/30-19         3.5in  13.0in    26.0in         81.6in       777       -3.3%

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