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

Widest Wheel in the Front?

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Old 10-10-11, 01:26 PM
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hydralisk
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Mathematically yep. My rear is the same, I am running a squared setup. It tucks perfectly in the rear.
Old 10-12-11, 10:33 AM
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rookieIS
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Would 19x9.5 +24 offset fit the fronts without pulling the fenders?
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Old 10-12-11, 04:08 PM
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hydralisk
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Would definately depend on your tire size.
Low ~20 offset is man territory so you got to pick your tire sizes at the same time.

Do you have an ISF? I see an ISX50 in the picture.
Old 10-21-11, 09:40 AM
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Linkseal
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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.
No go for me. I just put my rear wheel at the front for test fit, 19x9.5 et45, 275/30/19...

It looked great but dang the inner of the wheel edge is hitting the reservoir of the KW V3 under full lock steering

But it was tested on the hoist, I don't know if it is still hitting during normal driving.

Plus, I don't think running 275 front tires is a good idea for DD, and 255 tire on 9.5" wheel is stretched, I guess I will stick with 8.5" wheel with ET32-35 at front...with out any rubbing problem.

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Old 10-21-11, 08:59 PM
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lobuxracer
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Supras came from the factory with 255/40/17s on 17 x 9.5 rims. They definitely were not stretched.
Old 10-21-11, 10:36 PM
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hydralisk
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I rarely ever go full lock, 2 right turns around a block is just safer than a U turn. But I say give it a try on the ground if you want. There is always that natural camber that comes into play, usually for a benefit. That guy, SCCAforums or something had like 285 with the same size and offset as you. So I dont know why it would touch on yours unless SCCAforums rode high.
275 is excess, especially for daily driving. I havent lost traction yet on my 245.. its all in the compound.

245 is hardly even a stretch on a 9.5. 255 is definately not, its actually a recommended size for the wheel width.

I will take some pictures soon of my car, getting custom parts made is a B*@#*.. some companies just dont want to work for their money..
Old 10-21-11, 11:20 PM
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Originally Posted by lobuxracer
Supras came from the factory with 255/40/17s on 17 x 9.5 rims. They definitely were not stretched.
Yes I am thinking to run 255/35/19 at front if it is not stretched...

Originally Posted by hydralisk
I rarely ever go full lock, 2 right turns around a block is just safer than a U turn. But I say give it a try on the ground if you want. There is always that natural camber that comes into play, usually for a benefit. That guy, SCCAforums or something had like 285 with the same size and offset as you. So I dont know why it would touch on yours unless SCCAforums rode high.
275 is excess, especially for daily driving. I havent lost traction yet on my 245.. its all in the compound.

245 is hardly even a stretch on a 9.5. 255 is definately not, its actually a recommended size for the wheel width.
Cool, ya normally not full lock on the street anyway...unless during parking.

Ok, I will give a try again when the car is on the ground, if it works, that's good I can run 19x9.5 ET45 front and 19x9.5 ET35 rear.

What tire size you guys recommend? 265/30/19 all around or 255/35/19 front, 275/30/19 rear, I know rear fender roll is a must either 265 or 275
Old 10-23-11, 07:52 AM
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hydralisk
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Depends what tire you are running. For some companies.. 255 and 265, or 265 and 275, actually have the same tread width that touches the ground, so the smaller size is better for clearance while maintaining same grip levels.
Old 10-23-11, 10:38 AM
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Originally Posted by hydralisk
Depends what tire you are running. For some companies.. 255 and 265, or 265 and 275, actually have the same tread width that touches the ground, so the smaller size is better for clearance while maintaining same grip levels.
Probably Michelin PSS or BS RE11... Got pics of your setup yet? has been waiting for few weeks now
Old 10-23-11, 11:43 AM
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hydralisk
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All I got are crappy iphone3 pictures uploaded to facebook.. My new camera comes in soon.
I am actually going out today to lower it more. I need to get those FIGs links too so I can run more camber and lower it even more in the rear.
Old 03-27-12, 05:06 PM
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Would I have any issues with 19x9.5 +22 Front and 19x10.5 rear?
Old 07-07-24, 02:06 PM
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L350XIS
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I know this is a very old post but I want to help as much as I can because I was at this same point running around looking for help on wheel fitment and it took a long time for me to find answers so here's my contribution to anyone looking for something similar.

I'm on 19 x 9.5 with a +25 offset and a 235/35R19 Bridgestone tyre and this is what it looks like. I have a slight bit of poke and I do occassionally rub on the fender liner but it has to be over a big dip in the road. The front guard is not rolled or pulled.

Overall It's fine to have 19 x 9.5 wheel up front on a +25 or +24 offset. You'll just need to run a bit of a stretched tire like my setup.


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