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Damo asked about 17" alloy wheels for his Fastback. If my calculations are right the diameter of our stock 165r15 wheels is 26 inches. A 225/50r17 has a diameter if 26.08 inches. Speedo and gearing would be right on. The problem is that the stock tire is only 6.5 inches wide at maximum, while the 225/50r17 is 8.78 inches wide. I don't think that our wheel wells could handle that extra 2.28 inches without rubbing or some serious modification to the wheel well inners. There are a large number of 205/50r17 tires available, but the diameter is only 25.3 inches and the width is still 8 inches. In all cases, you would have to get the offset of the wheels right. You might check out the following sites: http://www.tirerack.com/ and http://www.tires.com/ Both are good sites with lots of tire tech and decent search engines for tires and wheels, plus you can order from them both. -- John Jaranson Research Engineer Ford Motor Company SRL 2621 Dearborn, MI 48121 (313)323-0553 (313)845-4724 FAX