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09-15-2009, 10:12 AM
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#1 | | I contribute to threads in the offtopic forum
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| Quick question re: Offset of wheels
Might be a noob question, but just wanted to double check with people that are in the know...
If my car uses stock 17x7 +55 offset wheels, is it safe to replace them with wheels that have a lower offset? i.e. +35, +40, +45
I know this probably should go in the wheel/tire tech forum, but i'm looking for a quick response so I can decide whether or not to buy some wheels asap.
Thanks!
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09-15-2009, 10:43 AM
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#2 | | Banned (BBM)
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yes, but only to a certain extent
for example
my car is 17x7.5 45 offset stock
and im running 18x8.5 31 offset
rim size x x number (the width of the rim) offset pushes the rims further out
if u are going for extreme setup, fenders may required to be rolled. Depending on what car, what do you drive?
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09-15-2009, 10:48 AM
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#3 | | I contribute to threads in the offtopic forum
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2010 wrx 265
so stock is +55
i'm thinking about getting some 17x7 +40 wheels...
is that ok?
Last edited by What_the?; 09-15-2009 at 11:01 AM.
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09-15-2009, 10:54 AM
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#4 | | Banned (BBM)
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yup totally fine, but depending on how wide on the rims as well
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09-15-2009, 10:58 AM
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#5 | | Banned (BBM)
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checking fitment for you right now
pmed u
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09-15-2009, 11:05 AM
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#6 | | Media Officer / MOD
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google
offset calculator
i remember there's this one from a miata forum which was very useful
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09-15-2009, 12:17 PM
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#7 | | How I Mod your mother
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Subaru?
Go wide or go home
__________________ Quote: | [19-07, 16:52] bloodmack: EB did u change my avatar and title?
| Quote: | [19-07, 16:54] El Bastardo: bm i have no idea what you're talking about because i don't speak gorilla
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09-15-2009, 12:32 PM
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#8 | | Banned (BBM)
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go home  | |
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09-15-2009, 12:35 PM
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#9 | | Wunder? Wonder?? Wander???
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Use this Offset Calculator: http://marksink.com/tire_wheel_offset/offset.html
From 17x7+55 to 17x7+40: Quote:
The clearance from stut housing to the inside of the wheel will be 15mm MORE
The outside edge of the wheel will EXTEND an extra 15mm
| Then you can check yourself whether there are any clearance issues.
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09-15-2009, 12:59 PM
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#10 | | I *Fwap* *Fwap* *Fwap* to RS
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| Quote:
Originally Posted by Draft  Subaru?
Go wide or go home | +1
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09-15-2009, 01:02 PM
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#11 | | 14 dolla balla aint got nothing on me!
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+2
plenty of older model subaru owners ran 18x10s with low offsets.
hellaflush.com
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09-15-2009, 01:07 PM
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#12 | | I *heart* Revscene.net very Muchie
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| Quote:
Originally Posted by Mugen EvOlutioN yup totally fine, but depending on how wide on the rims as well | This is key... depending on the car of course.. but if you run too high an offset, and your car is next-to-slammed... you may run into problem if you carry heavy loads or have fat-assed friends.
My stockers were 6" wide rims with a 40mm offset, I ran 8" wide rims with a 35mm offset, then the wheels stuck out too far and rubbed on the rear quarter panel if I had lots of stuff in the trunk or a full load of people. 
If there's a template available... you can print out the rim clearance and hold it up to your rotor/drum and see what your clearance will be like for the calipers, etc..
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Don't be the next RS.net statistic - If you drink, don't drive. You'll lose your licence, and the rest of us will laugh at you.
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09-15-2009, 01:19 PM
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#13 | | OWNER/C.F.O./MONEYMAN
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measure the horizontal spacing between ur tire and the fender.
then you can guestimate how wide you can go with a stock wheel set up.
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09-15-2009, 06:33 PM
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#14 | | I contribute to threads in the offtopic forum
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cool thanks for all the responses everyone
yea, the car isn't lowered, and probably won't be... so as long as i don't deviate too much i'll assume it's ok.
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09-15-2009, 06:37 PM
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#15 | | Rs has made me the man i am today!
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best place to ask would be on your car specific forum and visit their tire/wheel section, they usually have a post dedicated to wheel fitments on the specific model
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