IS F (2008-2014) Discussion topics related to the IS F model

Widest Wheel in the Front?

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Old 10-08-11, 03:25 AM
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HEWITT
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Default Widest Wheel in the Front?

What is the widest possible wheel we can fit in the front? Any possible way to fit something that is as wide such as a 10.5?
Old 10-08-11, 06:22 AM
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Gymkata
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10.5" is too wide for the front. 9" is about as wide as most go, but a couple of people have run 9.5" for their track setup. Of course the most important part is having the right offsets. Are you trying to go for a crazy stretched look or something?
Old 10-08-11, 07:10 AM
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lobuxracer
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Maybe he's thinking 335's on all four corners. That would be awesome.
Old 10-08-11, 09:13 AM
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I think 8.5 ET35 or 9.5 ET45 in the front without rubbing and no stretched tires and lowered?

Correct me if it is wrong...
Old 10-08-11, 11:10 AM
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I wanted a wide wheel in the front because there is barely any concave with a 9.0. A 10.5 all around would look craazy.
Old 10-08-11, 05:46 PM
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Gymkata
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Originally Posted by lobuxracer
Maybe he's thinking 335's on all four corners. That would be awesome.
Besides lifted trucks, I don't think I have ever seen a vehicle with front tires that wide...you certainly wouldn't have any problems with understeer...hahaha.
Old 10-08-11, 06:01 PM
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hydralisk
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hahaha damn! 10.5 front? Props if you try it, even GTRs tend to stick to the standard 9.5" front.

Be a pioneer and be the first! (or is that 9876 guy running 10.5 in front too?)
Old 10-08-11, 06:34 PM
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mikefate
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I have 9" front with 255 michelins. I think I could get another 1/2" without major issues. Problem is you would need a high offset, which won't get the concave you're after
Old 10-09-11, 07:33 PM
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Brian@Vossen
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Many have 20x9 up front with our Vossen Concave wheels.....

Click here for pics

Old 10-10-11, 12:16 AM
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CalitriSC
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I have 20x9.5s in the front with 255/30/20 and no issues, there is still room.
Old 10-10-11, 01:06 AM
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^ Your offset please?
Old 10-10-11, 11:52 AM
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No idea what the offset is but I have a set of ISSForged wheels that are 20x9 in the front and now added a 15mm spacer to drive for a while cause I want them to be more flush like my rears. I originally didn't want to do any modifications up front but now I don't care I want them to look like my rears. Eventually I plan to order .5in wider lips for my fronts so I will have a 9.5in up front them and it will be a little less than with my 15mm spacer. I will try and find out what my offset is.
Old 10-10-11, 12:52 PM
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I just fit 18x9.5 +22 on the front with 245/40/18. No rolling of the fenders yet and I can turn without anything touching so far.
Lowered about 1.5" on coilovers. They are Hankook R comps as well, so I imagine with regular tires on 19" wheels, you could fit more tread on the normal lower profile.

No pictures yet as I am still tweaking the suspension to see the limits. So far, so good!
Old 10-10-11, 01:00 PM
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hydralisk
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Also, offsets are never unknown. You can take your wheel off and measure it with a ruler.
Here is a vague detail of how to do it: https://www.rsracing.com/tech-wheel.html
Old 10-10-11, 01:09 PM
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Originally Posted by hydralisk
I just fit 18x9.5 +22 on the front with 245/40/18. No rolling of the fenders yet and I can turn without anything touching so far.
Lowered about 1.5" on coilovers. They are Hankook R comps as well, so I imagine with regular tires on 19" wheels, you could fit more tread on the normal lower profile.

No pictures yet as I am still tweaking the suspension to see the limits. So far, so good!
Nice, I assume it means 18X9.5 +27 with 255/40/18 also work fine? And what is your rear wheel/tire setup up now?


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