> series raised white letter tires. I always thought that '70, '60, or > even smaller numbers meant the width of the tread. Is that not so? My > Crown Convertible Coupe is running on P235-75R15. Now the way I read > that is: P235 means the height from tread to rim, 75 means width of the > tire over the tread, which is 75 percent of the tire height, and R15 > means rim size. Hi Bill, You got it just backwards on those widths and aspect ratios. The collective wisdom of the Imperial Mailing List, including that of tire-maker's-son and general-all-around-good-guy Dick Benjamin, has been summarized in the Repair section of the website here: http://www.imperialclub.org/Repair/Wheels/size.htm Hope that clears it up! Mike Trettin 1956 Imperial Sedan, Turquoise ----------------- http://www.imperialclub.com ----------------- This message was sent to you by the Imperial Mailing List. Please reply to mailing-list@xxxxxxxxxxxxxxxx and your response will be shared with everyone. Private messages (and attachments) for the Administrators should be sent to webmaster@xxxxxxxxxxxxxxxx To UN-SUBSCRIBE, go to http://imperialclub.com/unsubscribe.htm