[ayau]

Originally Posted by jdv14476

As I said, still debating. As I recall, changing the wheel size changes the speedo gearing.


http://www.consumerreports.org/cro/n...ance/index.htm


And with a little contrast.


http://www.roadandtrack.com/special-...transformation

Lap times look pretty similar between 17'' and 18''. My driving is too inconsistent for that 1'' to matter. :p

Honestly, even if 18'' was scientifically proven to be faster, the extra cost of 18'' tires isn't worth it to me.