986 Forum - The Community for Porsche Boxster & Cayman Owners - View Single Post - 20 x 11 wheels on a 986 - no shock tower hitting, no rubbing, no fender rolling :D

madmodz · 07-27-2012, 12:25 AM

When you are doing 43 mph you will actually be doing 45 with the increased wheel size. I got 20's on mine 2 and used a very accurate gps speedometer i tested prior on my wifes car.

07-27-2012, 12:25 AM	#22
madmodz Registered User Join Date: Jul 2012 Location: Scottsdale, AZ Posts: 174	When you are doing 43 mph you will actually be doing 45 with the increased wheel size. I got 20's on mine 2 and used a very accurate gps speedometer i tested prior on my wifes car.