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  #1  
Old 12-31-2005, 02:14 PM
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Tire Width Question...

What width tire would fit on the SVX? I'm planning on getting 17" rims and was kinda curious about going a bit wider with the tire. If I'd bump up to a 235 would my side ratio be 40?
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  #2  
Old 12-31-2005, 03:49 PM
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Buy the widest rim that you can afford, and put the recommended width tire on the rim.
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  #3  
Old 12-31-2005, 04:10 PM
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I'm running 245-45/16 tires on 8 inch wide rims with 50mm offset and have had no problems at all with the tires rubbing.
-Bill
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  #4  
Old 12-31-2005, 04:44 PM
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Well part of my ? was answered. But if I were to run 235s or 245s what aspect ratio would I be looking to get?
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1992 SVX LS-L: Now TomStock Stage 3... 6MT, R180 Rear, Tomstock Short Shifter and hard rubber mount, Group N Motor and Tranny Mount, Stage 2V6 Chip, Z32 MAF, Stage 3 CAI, Stebro, Intake Cams, 17" STi BBS Powder Coated Black, Bridgestone Potenza RE070, and Koni inserts w/Mychailo's Springs!

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RIP
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02 WRX
88 XT6(regret the day I left her behind)

socaleuro.com They like the flat 6...

Check My New Homepage..
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  #5  
Old 12-31-2005, 06:20 PM
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http://www.miata.net/garage/tirecalc.html go there.
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  #6  
Old 12-31-2005, 06:25 PM
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You can get a 245/55R16 on there stock but just barely. Anything more would require some spacers. Will have 275/50s on our racer in the near future but that involves some creative sheetmetal work. Not sure on the height aspect but would suspect a 40 would be as close as you could get to the same circum.
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  #7  
Old 12-31-2005, 07:16 PM
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Quote:
Originally Posted by thundering02
Thanks a lot. Makes sense, 235 would be out of the question but 245 with a 40 series sidewall is almost exactly on. But too bad the rims I'm looking at are 17x7... I need 17x8s.
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1992 SVX LS-L: Now TomStock Stage 3... 6MT, R180 Rear, Tomstock Short Shifter and hard rubber mount, Group N Motor and Tranny Mount, Stage 2V6 Chip, Z32 MAF, Stage 3 CAI, Stebro, Intake Cams, 17" STi BBS Powder Coated Black, Bridgestone Potenza RE070, and Koni inserts w/Mychailo's Springs!

Sand Diego SCCA Solo 2 #308

RIP
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02 WRX
88 XT6(regret the day I left her behind)

socaleuro.com They like the flat 6...

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  #8  
Old 12-31-2005, 08:32 PM
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Quote:
Originally Posted by gest24
Thanks a lot. Makes sense, 235 would be out of the question but 245 with a 40 series sidewall is almost exactly on. But too bad the rims I'm looking at are 17x7... I need 17x8s.
You would need 7.5s.
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  #9  
Old 01-01-2006, 11:59 AM
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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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:: 2006 Silver Mitsubishi Evolution 9, E85, 34 psi peak, 425wtq/505whp DJ ::
1995 Laguna Blue SVX L AWD 5MT (sold)

Visit my locker

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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  #10  
Old 01-01-2006, 01:12 PM
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Def. makes sense. But unfortuneately the rims I want only come in 17x7. So looks like I'm going to stick with 225s.
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1992 SVX LS-L: Now TomStock Stage 3... 6MT, R180 Rear, Tomstock Short Shifter and hard rubber mount, Group N Motor and Tranny Mount, Stage 2V6 Chip, Z32 MAF, Stage 3 CAI, Stebro, Intake Cams, 17" STi BBS Powder Coated Black, Bridgestone Potenza RE070, and Koni inserts w/Mychailo's Springs!

Sand Diego SCCA Solo 2 #308

RIP
84 VW Scirocco
02 WRX
88 XT6(regret the day I left her behind)

socaleuro.com They like the flat 6...

Check My New Homepage..
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  #11  
Old 01-03-2006, 11:36 AM
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Quote:
Originally Posted by thundering02

I like your avatar......I used to work there......It's more like ....we damaged it again!
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