cant be measured in mm... nor will you know out of round spec or taper. There are special tools for this purpose and it is difficult to measure without them.
http://www.shelbysupercars.com/images/world-record.jpg
Shelby Supercars (SSC), manufacturer of the ultra high-performance Ultimate Aero Twin Turbo, set the new "World’s Fastest Production Car" record earlier today...
