Help with rim offset choice

1753 Views 7 Replies 4 Participants Last post by AztecRol, Jul 16, 2009

amdk6ii

Discussion Starter · Jun 18, 2009

im will be lowering my e with eibach spring soon but i also with be getting some bigger rims as well. I cant decide which offset i should get. The rims are 20x8.5 with either +35 or +45. I thought i would get the +35 but im worried about them sticking out to far and rubbing the fenders, and with the +45 im worried the back of the rim will rub the inside of the wheel well or strut, but what i thought i could do is get the +45 and maybe a 3 to 8mm spacer to push the rim out a bit if it rubs on the the strut or well. Any info would be appreciated.

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insane_sc

· #2 · Jun 18, 2009

A +35mm will work but may rub. Personally a +40 would be Ideal but with only lowering 1.7", a +35mm should be fine as long as you stick with a 245/40 tire, the tires should end up about a 1/4" in from the edge. Just do a search or look the definative section 18" to 20" wheel post, there is a lot of 20" wheels with specs and lowered, you will find you answer.
Later
steve

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amdk6ii

Discussion Starter · #3 · Jun 19, 2009

thanks for the info insane...would adding 5mm spacer added to +45 offset make the rim a +40 offset

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insane_sc

· #4 · Jun 19, 2009

Yes, you got it!!

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amdk6ii

Discussion Starter · #5 · Jun 19, 2009

So do you think getting the +45 and using spacers is better than getting +35?

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insane_sc

· #6 · Jun 19, 2009

personally i dont like spacers unless you get ones made to your hub bore size, but thats because I am used to high horsepower cars built for autocrossing, but for the street thet are ok, but make sure they are not cheap autozone ones and use hub centric rings, thier only $20.
Later
steve

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Basset Box

· #7 · Jul 15, 2009

I am confused on how the offset works. I have some 20x8.5 wheels on another car that I may put on the E. I haven't nailed down the offset because I don't have them at home right now. But the car they are on has a +50mm offset. What exactly does that mean, and can any modification to the wheel be done to bring it into the desired range for the E? Thanks. Also, any idea how much it is to get wheels powder coated? I am having a hell of a time trying to find the offset for the wheels online because they are discontinued (Donz Corleone 20").

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AztecRol

· #8 · Jul 16, 2009

Basset Box said:
I am confused on how the offset works. I have some 20x8.5 wheels on another car that I may put on the E. I haven't nailed down the offset because I don't have them at home right now. But the car they are on has a +50mm offset. What exactly does that mean, and can any modification to the wheel be done to bring it into the desired range for the E? Thanks. Also, any idea how much it is to get wheels powder coated? I am having a hell of a time trying to find the offset for the wheels online because they are discontinued (Donz Corleone 20").

This should help!

http://wheeltool.com/info/offset.html

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