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Old 04-14-2007, 07:13 PM
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Kewl X5 Kewl X5 is offline
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Kevin, you have the same size wheel at all 4 corners. I notice that 4.6/4.8iS models have 20x9.5 for the fronts wheels and the width of the tires are 275mm. Too bad you couldn't do a 275 at all 4 corners. If go with 255/50-19 as originally suggested by Tire Rack, you would have a slightly less sidewall flex, but less protection for your wheels. You would have crisper handling. The 285/45-19 will still fit your 9.5" wheels, but you would have some slightly sidewall flex and a little more roll. Yes, you would have a wider footprint which actually increase your chances for tramlining & hydroplaning. I would ask DOC @ Tire Rack. Either way, you'll be fine. The 255s may be lighter (need to look at ADVAN'S specs).
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