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Soeedometer and TCS issues?

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Old 11-27-2015, 10:54 PM
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99 hardtop 08
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Default Soeedometer and TCS issues?

I'm changing wheel and tire size. My current sizes are:
Front 245/45/17
Rear 275/40/18
New set up will be
Front 265/35/18
Rear 305/30/19

Will this change affect any thing? Speedo,TCS if so how much and what do I need to do to correct it? Thank you in advance for your help!
Old 11-28-2015, 12:34 AM
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99 hardtop 08
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Originally Posted by 8VETTE7
Old rear tire overall diameter = 26.6"
New rear tire overall diameter = 26.2"

Old front tire overall diameter = 25.6"
New front tire overall diameter = 25.3"

No impact of TC.
Negligible impact on speedo.
Always very helpful! Thank you!



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