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- - Tire Measurements in Inches? (http://986forum.com/forums/performance-technical-chat/884-tire-measurements-inches.html)

QporscheQ

03-29-2004 09:32 AM

Tire Measurements in Inches?

A friend of mine posed a question to me this morning for which I had no answer.

He wanted to know why a German car company ( or any non US / British car manufacturer) would use inches and not centimeters to measure the size of a wheel. (i.e 18 inch and not 45.72 cm)

Any thoughts?
:confused:

Tool Pants

03-29-2004 03:51 PM

And why US spark plugs are metric?

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