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Old 03-08-2013, 03:57 PM   #18

Drives: '12 2LT Convertible
Join Date: Mar 2012
Location: Belmont, California
Posts: 1,664
Originally Posted by jasonpope2003 View Post
here ya go everything you ever wanted to know about those codes.
Thanks - very educational!

That answered almost all my questions but one.

The P Zero has ZR in the rear tire designation (e.g. 275/40ZR20). The Vredestein with the same size doesn't have the "Z".

So what does this Z mean?

The wikipedia entry didn't cover that.

Also where are these made?
Mods: GM Locking Gas Cap, RS License Plate Frame

intensifi is offline   Reply With Quote