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Anyone running 285/35/18's on rear?

raleighcab
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raleighcab Member

raleighcab

Posted
Posted

And if so are you having any issues? I have been given a pair of Michelin Pilot Sports in pristine condition and would hate not to use them. Next to some old Bridgestone RE730's I have that are 265/30/18 there is barely a discernable difference. The Michelin's are very slightly taller.

Thanks in advance!

JohnJStewart Member

JohnJStewart

Posted
Posted

I think you will find that you need 285 30 18 - it won't be right with 35's

I have 285's and they are fine - woth good wheels they are the business.

post-643-1147861042_thumb.jpg

teeerex Member

teeerex

Posted
Posted
I think you will find that you need 285 30 18 - it won't be right with 35's

I have 285's and they are fine - woth good wheels they are the business.

Rolling Circumference = 2063mm on the /35 and 1974mm on the /30

Overall Diameter = 657mm on the /35 and 628mm on the /30

IMO I would not use them as they will affect your speedo reading and geometry - not sure to what extent but why take the risk ? If you're car is under warranty, then Porsche will see that they are not 'standard' and not pay out if you claim on anything related...

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