[tyreman]

Originally Posted by SlowOne

I love the wheel one, 23.7. It is seriously proposed that you guys measure wheels to a dimension down to 0.01mm, (or 0.0005") in an open field at any temperature between single digit and 28 deg C, on a subject that is unlikely to be round and will flex under the load of the measuring instrument; said instrument having something like a 1% variation due to the operator and with no tolerance to work with. And after all that, it is proposed to exclude someone or something that is non-conforming? You cannot be serious!!!

Love to know how that unenforceable rule goes...

I think it aimed more at the 1/8th style of wheel that is now in production for 10th cars.