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Old 01-08-2007, 12:41 AM   #13
z12358
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Join Date: May 2006
Location: Northeast USA
Posts: 910
It's not the 19" rims that's making your wheels larger. It's the tires. Normally, you can put 16, 17, 18, and 20" rims and still keep the wheel diameter close to constant by choosing decreasingly lower profile tires. Just checked and Tirerack suggests 225/35 front and 265/30 rear tires for 19" rims on your Box, to keep the overall wheel diameter same as stock and to avoid issues with suspension, hight, odo, and speedometers. Both the front and rear wheels (rim + tire) of your current setup have larger diameters than stock, thus raising the hight of the car. However, your wheel well is fuller with the new wheels. You actually had done what I was asking about in my previous post (puting larger diameter wheels than stock). Looks like you didn't plan to as you seemed surprised by it. (I assume you know how to derive the total wheel diameter from the 265/35/19 info. If not let me know and I'll show you.)

Z.
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'06 Boxster S, 6sp, triple-black
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