Question for any tire tech guy

wilsonp

The 305/30's are a little off - would 315/30 be too wide to fit the Sport wheel?

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2014 Cayman S PDK Sport Chrono White/Black
Was 2009 370Z Touring Sport+Nav 7AT Metallic Black/Persimmon
Was 1991 NSX Auto Black/Black

Azroadster

What do you mean by a little off? If you are talking about circumference, my Z with the set up I described reads about one mph off (low) on the speedo when comparing it to my GPS, which I am very confident is almost right on the money. I personally think that a 315 would be too wide for the stock 10" wheel. I think at the 305 looks good, but I always thought that the 275 on the 10" looked too small, meaning that the sidwalls angled in too much. The 305 is just about perfect.

Here's a picture of the rear stock wheel with a 305/30 Hankook tire.

http://www.the370z.com/members/azroa...rear-wheel.jpg

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AZ Roadster
'09 Base|Chicane Yellow|TSW Nurburgrings|Stillen CBE|Eclipse AVN726E In Dash DVD/NAV|Clear Bra|H&R Spacers 15/20|Hankook Ventus V-12's 275/35 & 305/30

Cmike2780

Too much. It will look too streched out.

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[09][MB][6-Spd MT][Touring][Stillen Gen III][K&N][Borla CBE][Evo-R]