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What offset for 18x12 or 18x13?

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Old Jul 17, 2003 | 12:32 PM
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What offset for 18x12 or 18x13?

have an FD with fender flares, the flares add around 2.25" to each side, need to know what offset for either 18X12" or 18x13".

aslo to run 10" wide in the front i would need a +50?
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Old Jul 17, 2003 | 02:13 PM
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holy shat.... 18x12 & 18x13, that's huge!!
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Old Jul 17, 2003 | 03:41 PM
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Yeah 18x10 +50 on the front with aftermarket coilovers.
or
I run 18x9.5 +50 on the front with stock suspension
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Old Jul 18, 2003 | 02:18 PM
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Ok basically this is how you calc. +50 offset front and rear for maximum offset on 10" width let's say. You want to add two inches front = 51mm and then 3 inches rear, that's 76mm. So you need to run about:

0 offset front

-25mm offset rear or lower. I doubt you should run higher than that as you may hit the links.

Rishie
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Old Jul 19, 2003 | 07:34 PM
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Huh?
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Old Jul 19, 2003 | 10:08 PM
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That's your answer.

0 offset for 12" front
-25 for 13" rear

Rishie
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Old Jul 19, 2003 | 10:40 PM
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You need to post some pics so we can see your car.

Rob
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Old Jul 19, 2003 | 10:41 PM
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ok I understand now
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Old Jul 20, 2003 | 12:30 AM
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lol.

Pics of whose car? I think this is a conceptual question. Sounds like the project is still in the works. I'd like to see that too. 12's and 13's. I'd think sizes like 315 and 335. I'm really interested in finding out what wheel interests you. I'd suggest a lightweight one piece wheel so your steering input isn't affected so much by the weight.

I've driven some FD's with the Cooper Fitment in Kinesis and it was a dramatic change. Granted I was only driving on the street but it felt heavy. Under high speed this wouldn't be so much of a factor but if driven daily I would suggest a one piece forge.

Keep us updated,

Rishie
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Old Jul 20, 2003 | 03:45 PM
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you guys must be speed readers because you missed most of the details

i am debating on either 18x12 or 18x13 for the REAR...because i also asked if a 10" wheel in the front carried a +50 offset.
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Old Jul 20, 2003 | 05:46 PM
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No

I answered your question about the front.
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Old Jul 20, 2003 | 09:07 PM
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Geez Steve, you're really turning this FD into a monster. I look at the pictures and I can't believe I used to own it.
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