From what I've seen on the high end sports cars, typically the tire width is a little undersized for the rim to make a taught sidewall. From that perspective, a 235 or a 245 would be best on a 17x8 or 17x8.5 respectively. You could go with a 40 or 45 aspect ratio with a 235 on a 17" rim. The 40 aspect ratio will make the tire a little smaller in diameter than stock and the 45 will make it a little taller than stock. With a 245 on a 17" rim, you'd want to go with a 40 aspect ratio.
However, if you are buying 17x7" rims, I'd suggest not going larger than 225 width. If you want 17x8 or 17x8.5 rims at an affordable price, check out Rota Wheels. Another nice thing about Rota wheels are that they come in offsets that are a good match for an SVX.
http://www.rotawheel.com/
You can look in the "check stock" link to see what rims come in what widths.
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Mychailo
:: 2006 Silver Mitsubishi Evolution 9, E85, 34 psi peak, 425wtq/505whp DJ ::
1995 Laguna Blue SVX L AWD 5MT (sold)
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SVX Mods: ND iridium spark plugs, Impreza RS fpr, afr tuned to 13.2:1 using a custom MAF bypass, custom exhaust, WRX 5MT w/ STi RA 1st-4th gear & stock WRX 5th gear, Exedy 13 lb flywheel & Sport Clutch, STi Group N tranny & engine mounts, urethane spacers in rear subframe, rear diff mounts, and pitch stopper, SVX Sport Strut Springs (185f/150r), custom 19 mm rear swaybar, urethane swaybar mounts, Rota Torque 17x8", 225/45-17 Proxes 4 tires, Axxis Deluxe Plus organic brake pads.
Last edited by mbtoloczko; 01-03-2006 at 02:23 PM.
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