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Running OEM rear wheels up front?

Old 06-18-2015, 05:33 PM
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n0smoke
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Default Running OEM rear wheels up front?

Excuse me if this has been asked before but some searching yielded little results.

On the factory "Anniversary Edition" five spoke rims:
18x8, +30mm F
18x8.5, +33mm R

Does anyone know if you can run the rear wheels up front? I came into a nearly flawless set and my current mounted rears are also pretty damn perfect.

So I've been tossing around the idea of running a 18x8.5 square setup. An online offset calculator says the inside will sit 9mm closer to the strut, and the face 3mm further out.

Not exactly "omgawdhellaflush" fitment by any means, but I like the idea of ease of rotating, and running a little bit wider tire up front.

Any adverse handling/ tire feathering I should be aware of if it even fits? I know a square setup will tend to oversteer a bit more, but will the (225 vs 245) really make a noticeable difference for daily driving?

Thanks in advance.
Old 06-18-2015, 09:08 PM
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herrschaft
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I don't about the Z's, but G35's had a bolt on the front hub that prevented the rear wheel from mounting on the front.

Why would you want to run a wider tire up front?
Old 06-18-2015, 09:51 PM
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MicVelo
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Originally Posted by n0smoke
Excuse me if this has been asked before but some searching yielded little results.

On the factory "Anniversary Edition" five spoke rims:
18x8, +30mm F
18x8.5, +33mm R

Does anyone know if you can run the rear wheels up front? I came into a nearly flawless set and my current mounted rears are also pretty damn perfect.

So I've been tossing around the idea of running a 18x8.5 square setup. An online offset calculator says the inside will sit 9mm closer to the strut, and the face 3mm further out.

Not exactly "omgawdhellaflush" fitment by any means, but I like the idea of ease of rotating, and running a little bit wider tire up front.

Any adverse handling/ tire feathering I should be aware of if it even fits? I know a square setup will tend to oversteer a bit more, but will the (225 vs 245) really make a noticeable difference for daily driving?

Thanks in advance.
Not a problem at all. If you look at popular 8.5/9.5 aftermarket setups, there's plenty of room to run an even much more aggressive offset than +30.

I would 't even worry about the "oversteer" of which there will be little to no appreciable increase on the square setup, say 245/40-18 at every corner. If you are concerned about this though, go 245/40 & up to 265/40 rear to maintain the correct stagger (tire diameters).

Last edited by MicVelo; 06-18-2015 at 10:31 PM.
Old 06-18-2015, 10:23 PM
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Cookiezor
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Originally Posted by herrschaft
I don't about the Z's, but G35's had a bolt on the front hub that prevented the rear wheel from mounting on the front.

Why would you want to run a wider tire up front?
that bold screws out, i think that bolt prevents any kind of aftermarket wheels to be put on, but ppl take it out.
Old 06-18-2015, 11:44 PM
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terrasmak
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Many people run square setups, the car gets twitchy from the loss of rake but that's fine with me. Oversteer, you would need a 265 up front with 245 rear before you may have to worry about oversteer, the car is an under steering pig , square just takes some of the understeer away.
Old 06-19-2015, 08:59 AM
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n0smoke
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Thanks for the quick replies guys.

I went ahead and ordered some Pilot Super Sport 245/40's and I'll have them mounted up tomorrow. I'll snap some pics for those interested in what it looks like (negligible I'm sure).
Old 06-19-2015, 10:42 AM
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Heel Til I Die
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Originally Posted by Cookiezor
that bold screws out, i think that bolt prevents any kind of aftermarket wheels to be put on, but ppl take it out.
The bolt is removable. I think it's to prevent people/shops from incorrectly rotating the rear wheels to the front on a staggered set-up.

Or this LOL: https://my350z.com/forum/wheels-and-...rket-rims.html
Old 06-19-2015, 12:14 PM
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Cookiezor
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Originally Posted by Heel Til I Die
The bolt is removable. I think it's to prevent people/shops from incorrectly rotating the rear wheels to the front on a staggered set-up.

Or this LOL: https://my350z.com/forum/wheels-and-...rket-rims.html
yeah thats what i meant, idk why i wrote the other thing, must of been tired.
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