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

Yes, another question about tire sizes...

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Old 06-19-15, 05:39 PM
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STLblueF
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I'm running 255/35/19 in the front on +35 19x9 and haven't noticed any rubbing. I also have 285/30/19 in the rear on 19x10 +45 and there is rubbing but oddly enough it's only on sweeping turns, not over bumps. I partially rolled one side and got a little nervous about the paint and stopped, but looks like I'll need to get out the fender roller again if I want to get rid of the rubbing. I know it's not the same offset but I figured I would throw my $.02 in.
Old 06-19-15, 06:04 PM
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MileHIFcar
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Originally Posted by STLblueF
I'm running 255/35/19 in the front on +35 19x9 and haven't noticed any rubbing. I also have 285/30/19 in the rear on 19x10 +45 and there is rubbing but oddly enough it's only on sweeping turns, not over bumps. I partially rolled one side and got a little nervous about the paint and stopped, but looks like I'll need to get out the fender roller again if I want to get rid of the rubbing. I know it's not the same offset but I figured I would throw my $.02 in.
Awesome appreciate your feedback! I was contemplating a 285/30 on the rear with the 9.5" wheel but thought it might rub, so based on feedback I'll probably stick with the 275/30 in the rear
Old 06-19-15, 07:09 PM
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Originally Posted by MileHIFcar
Awesome appreciate your feedback! I was contemplating a 285/30 on the rear with the 9.5" wheel but thought it might rub, so based on feedback I'll probably stick with the 275/30 in the rear
You can clear an average width 285mm tire on a 9.5 +45 wheel with only a minor roll...just the inside lip of the fender, not a full flat roll...provided you aren't extremely lowered. There is member here who is running 295/30R19 Michelin PSS tires on a 19x9.5 +45 wheel with the fenders rolled flat.
Old 06-20-15, 12:12 AM
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Originally Posted by Gymkata
You can clear an average width 285mm tire on a 9.5 +45 wheel with only a minor roll...just the inside lip of the fender, not a full flat roll...provided you aren't extremely lowered. There is member here who is running 295/30R19 Michelin PSS tires on a 19x9.5 +45 wheel with the fenders rolled flat.
Ok, good to know that I possibly can go up to a 295/30 19 with the fenders rolled flat
Old 06-20-15, 07:11 AM
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Sean
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Originally Posted by STLblueF
I'm running 255/35/19 in the front on +35 19x9 and haven't noticed any rubbing. I also have 285/30/19 in the rear on 19x10 +45 and there is rubbing but oddly enough it's only on sweeping turns, not over bumps. I partially rolled one side and got a little nervous about the paint and stopped, but looks like I'll need to get out the fender roller again if I want to get rid of the rubbing. I know it's not the same offset but I figured I would throw my $.02 in.
Curious what tires you're running since I have the same wheel combo including sizes and offsets. I'm assuming you went with the S04s? Is your car lowered?
Old 06-20-15, 10:56 AM
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Originally Posted by Sean
Curious what tires you're running since I have the same wheel combo including sizes and offsets. I'm assuming you went with the S04s? Is your car lowered?
Yeah actually I used your offsets as the guideline for ordering my wheels (believe we have the same model, CF5V forgestars ). So thank you for doing the initial research and finding a nice fitment.

When I purchased the car last November, it came with a new set of Bridgestone re050a's in 225/40/19 & 255/35/19. I didn't want brand new tires to go to waste so I picked up a set for the rears in 285/30/19 and moved the old rear tires onto the front wheels. They are obviously not the best tires but my car never sees the track anyway. Once these are done (which may be a while since I only drive 7000 miles a year and have another set for winter) I am planning on going with either S04's or PSS depending on what the prices are.
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