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Old 12-10-2006, 11:13 PM   #1
SSR
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2002 Legacy GT LTD
Black Granite Pearl

Question 18x7.5 or 18x8

Planning to pickup a set of Tarmac 3 for my Legacy in the spring but I'm confused about the 2 sizes.

On the subydude site, they recommend 18x7.5 for Tarmacs 3 for my legacy and 18x8 does not appear on their fitment guide that will fit my car for any wheel. But many users on this board have 18x8 on their car. So whats the story behind the fitment? It will be great if someone can give me a quick intro on wheel sizes.

Also what size tires will go well with my wheels. I have prodive/h & r springs on my car right now and im looking for a nice flush look without the tires going into the wheel well like the stock ones.

Thanks!
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Old 12-10-2006, 11:52 PM   #2
Fastfour
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It all depends on the offset of the wheel. You can get 18x8's with the right offset, but maybe Tarmac 3's dont come in the right offset to it. You could always ask for a trial fit.
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Old 12-11-2006, 03:06 AM   #3
MeanEditor
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18x8 with a 42mm offset fit but with 235/40/18 tires, the tires stick out beyond the fenders. I bet with a 44- or more offset, or with skinnier tires, this combo would work, I would like to know what others are running.
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Old 12-11-2006, 03:29 AM   #4
Hiroki Tada
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42? thats gonna stick waaay out with an 8" wheel.
8" and you'll probably want at least et48.

I run 7.5 with et49 and the wheels are just flush with the fenders.
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Old 12-11-2006, 10:51 AM   #5
MYfirst00
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I can't imagine 18x8 at 42 offset is going to handle that great unless you're going to get some track time. I'd agree with Hiroki, I'd run 7.5 at 48ish offset.

What is going to be their primary use?
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Old 12-11-2006, 09:58 PM   #6
MitchGT
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I run 18x8 +48 w/225/40 tires, lowered, with no issues.
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Old 12-11-2006, 10:45 PM   #7
MeanEditor
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They are track tires Nitto N1. I am hoping that a 225 will fit but we my not have enough offset.
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Old 12-12-2006, 03:43 AM   #8
SSR
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thanks for the input guys..i see no one here has mentioned 7.5, which is what subydude.com is recommending..can anyone explain the difference?

thanks!
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Old 12-12-2006, 04:26 AM   #9
rougeben83
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8" rims you can mount wider tires, (like 245's) which increases the grip, and that's what track guys want (or people that like to say they have 8" rims ).

That's pretty much it. Wider tires cost more though, and there are some other downsides to them. 7.5" should accomodate 225-235 width tires just fine, which is what a lot of people use for their street and even track setups.
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