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Old 12-15-2010, 10:38 AM   #1276
mosc
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impossible to answer without the offset.
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Old 12-15-2010, 12:00 PM   #1277
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17x9 rota grids offset 30mm hub bore 73mm
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Old 12-18-2010, 03:47 PM   #1278
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The stock wheels on my '03 Outback are: 16x6.5 JJ alloy, offset 48mm


I want to upgrade to '04 oem wrx sti bbs 17x7.5 53mm offset

From what I read online typically anything in the 6.5"-8.0" width and approx +45mm offset +/-5mm will work great. Since, there is only 5mm difference between what I have now and what I would buy they should just bolt right on no problem since both are hubcentric rings. Maybe need some new lug nuts or is there something key that I am missing? Thanks
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Old 12-18-2010, 05:36 PM   #1279
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those work fine.
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Old 12-18-2010, 05:56 PM   #1280
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Quote:
Originally Posted by mosc View Post
those work fine.
Thanks
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Old 12-19-2010, 06:18 PM   #1281
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Go for 20's! Dubz son
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Old 12-19-2010, 07:48 PM   #1282
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Quote:
Originally Posted by Poc0n0 LegAcy GT
Go for 20's! Dubz son
Once again I hate u
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Old 12-19-2010, 08:34 PM   #1283
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Quote:
Originally Posted by xtremesk8er21 View Post
my girl just bought me rota grids 17x9 any tire size suggestions? also wanna run a good coilover setup thinking about the BC br series

guess i should say that i want to know what width tires would be ideal
Quote:
Originally Posted by xtremesk8er21 View Post
17x9 rota grids offset 30mm hub bore 73mm
what look are you going for? super low with stretched tires? or a little higher with more tire?

+30 is gonna require front and camber adjustment and a good amount of fender work.
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Old 12-19-2010, 10:56 PM   #1284
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Quote:
Originally Posted by nhat

what look are you going for? super low with stretched tires? or a little higher with more tire?

+30 is gonna require front and camber adjustment and a good amount of fender work.
I don't want to be crazy low, just to eliminate the wheel gap.
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Old 12-19-2010, 11:10 PM   #1285
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at least a 235/40/17. personally i'd be running a 245 or 255, but doubt you're tryin to do that much fender work and/or run that much negative camber.
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Old 12-20-2010, 01:15 AM   #1286
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How wide should I go with a Rota Gravel 18x8 +48.. I'm installing d-specs with black STI springs and don't want it to rub. 235/40/18?
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Old 12-20-2010, 01:55 AM   #1287
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Quote:
Originally Posted by rkjunior View Post
How wide should I go with a Rota Gravel 18x8 +48.. I'm installing d-specs with black STI springs and don't want it to rub. 235/40/18?
that'd be my choice...and what do you mean black sti springs? oem sti springs? or rce blacks?
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Old 12-20-2010, 03:13 PM   #1288
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Quote:
Originally Posted by rkjunior View Post
How wide should I go with a Rota Gravel 18x8 +48.. I'm installing d-specs with black STI springs and don't want it to rub. 235/40/18?
255/35/18.
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Old 12-20-2010, 06:45 PM   #1289
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Quote:
Originally Posted by nhat View Post
that'd be my choice...and what do you mean black sti springs? oem sti springs? or rce blacks?
yeah, just the stock black STI springs. I'm not looking to slam it - i just want to lessen the gap a little. It's just a daily driver.

255/35/18s seems a bit ridiculous for a daily driver? lol

Last edited by rkjunior; 12-20-2010 at 06:50 PM.
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Old 12-20-2010, 10:32 PM   #1290
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Plus that's too wide for an 8" wheel. Yes you can get them on there and drive with them, but it's not right. 245/35R18 is really the max size for an 18x8.
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Old 12-20-2010, 10:43 PM   #1291
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Quote:
Originally Posted by rkjunior View Post
yeah, just the stock black STI springs. I'm not looking to slam it - i just want to lessen the gap a little. It's just a daily driver.

255/35/18s seems a bit ridiculous for a daily driver? lol
255/35/18s would be better for wrx gearing which is why sc00by4life for life recommended that size. 245/35/18 would be a better size due to the 8" wide wheel, but tire selection is very limited in that size.

thus why i recommended a 235/40/18.
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Old 12-20-2010, 11:10 PM   #1292
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Quote:
Originally Posted by Breezio View Post
Plus that's too wide for an 8" wheel. Yes you can get them on there and drive with them, but it's not right. 245/35R18 is really the max size for an 18x8.
255 is pushing it, but it is not too wide for an 8" wheel. I think its probably the widest recommended section width though. But like nHat mentioned, as I said, it would be better for wrx gearing.
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Old 12-21-2010, 12:15 AM   #1293
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I guess I don't understand how wide a wheel affects gearing. I thought it was the diameter.
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Old 12-21-2010, 11:23 AM   #1294
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Quote:
Originally Posted by rkjunior View Post
I guess I don't understand how wide a wheel affects gearing. I thought it was the diameter.
Width doesn't.

However, when you are talking tire sizes, a 245/35 is slightly smaller in diameter then a 255/35

P.S. Tirerack puts the minimum recommended rim width for a 255/35/18 at 8.5" .
I was just going with that.
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Old 12-21-2010, 02:37 PM   #1295
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Quote:
Originally Posted by rkjunior View Post
I guess I don't understand how wide a wheel affects gearing. I thought it was the diameter.
changes in width result in changes of sidewall height, which result in changes of overall diameter.

the first number is section width (in mm), the second number is the percentage of section width used to calculate out sidewall height.
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Old 12-21-2010, 05:59 PM   #1296
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Gotcha. I thought it was just a static sidewall number. Learn something new every day!
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Old 12-21-2010, 11:36 PM   #1297
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Thanks for the better explanation sc00by4life.
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Old 12-22-2010, 04:01 PM   #1298
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Hey NASIOC,
Quick question... Making sure I understand offsets correctly.

Will a 10" 0 offset wheel stick out the same amount as a 9" -25 offset wheel?(I don't care about the .4mm's)

Thanks in advance.
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Old 12-22-2010, 10:04 PM   #1299
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Quote:
Originally Posted by dub c View Post
Hey NASIOC,
Quick question... Making sure I understand offsets correctly.

Will a 10" 0 offset wheel stick out the same amount as a 9" -25 offset wheel?(I don't care about the .4mm's)

Thanks in advance.

No.

Half the width change is happening to the inside of the wheel, the other have to the outside.

To make your example equal in 'sticking out'. Your 9" wide wheel would need a -13mm offset (give or take some tenths) to 'equal' the 10" wide 0mm offset wheel.
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Old 12-22-2010, 10:16 PM   #1300
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No, the 9" wheel will sit 12mm further out than the 10" wheel. You'll also lose 38mm of inner clearance on the 10" wheel.


and neither of those will fit stock body. Widebody time!
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