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

285-30-19, choosing my offset

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Old 11-22-16, 01:30 PM
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Max16
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Default 285-30-19, choosing my offset

I'm there at my offset.
I want to run a 285-30-19 on a 19x9.5 rear

I'm slightly dropped and my fenders are shaved.
I think I can go with a +40 from what I read but hesitating on going to a +45

What do you guys think?
Old 11-22-16, 01:55 PM
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Vervish
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+40 should work out fine, I think you could even go +35 if you want to be more aggressive. I defer to the fitment guys tho.
Old 11-22-16, 02:01 PM
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Jondls33
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im running 275/30/19 on a 10.5 +30 offset, I rub a little on big dips and im lowered on bc coilovers, fenders rolled.
Old 11-22-16, 02:02 PM
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Max16
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I'm running 20x10.5 +45 right now but with a 275/30
No rub but really no place for anything more.
I really want to fit the 285 or even a 295
Old 11-22-16, 03:35 PM
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jspecvtec
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I have a 10.5" 285 on rear +43 offset. My fenders are shaved and no rub. Still a tad bit of room, possible to go 295 but not sure I can with the wider running mpss tires. 285 is probably a bit too much for 9.5" wheels. I think 10 or 10.5 inch will fit better for 285
Old 11-22-16, 05:03 PM
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Max16
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Originally Posted by jspecvtec
I have a 10.5" 285 on rear +43 offset. My fenders are shaved and no rub. Still a tad bit of room, possible to go 295 but not sure I can with the wider running mpss tires. 285 is probably a bit too much for 9.5" wheels. I think 10 or 10.5 inch will fit better for 285
285 is ok on a 9.5
It's on the low side but ok. 285 is made to fit from 9.5 to 10.5
The wheel I decided to go with is only available 9.5 or 11 and the offset won't go to +60 in the 11"

Are you dropped?
Old 11-22-16, 05:05 PM
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newgsman
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Originally Posted by Max16
I'm running 20x10.5 +45 right now but with a 275/30
No rub but really no place for anything more.
I really want to fit the 285 or even a 295
I tried out RCF wheels 19x10 +41 with 285/30/19 and I would rub anytime I hit a bump in the road or make a quick turn. My car has stock suspension. If you are lowered you will probably rub on uneven pavement even with a 9.5" wide wheel.
Old 11-22-16, 05:12 PM
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Max16
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You are 1\4 inch more toward the outside with a 10in wheel.
Are your fenders stock?
Old 11-22-16, 07:16 PM
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jspecvtec
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Originally Posted by Max16
285 is ok on a 9.5 It's on the low side but ok. 285 is made to fit from 9.5 to 10.5 The wheel I decided to go with is only available 9.5 or 11 and the offset won't go to +60 in the 11" Are you dropped?
0.6" in rear
Old 11-22-16, 09:19 PM
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flowrider
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Originally Posted by newgsman
I tried out RCF wheels 19x10 +41 with 285/30/19 and I would rub anytime I hit a bump in the road or make a quick turn. My car has stock suspension.
I'm running RCF wheels with 295/30s. Your absolutely right on the rub and you describe it well. For awhile my inner lip was rolled and that helped a bit. The lip is now flat against the fender. And the rubbing is greatly reduced to be point of ALMOST being non-existent. I am now extremely happy. The extra meat (255s in front) is IMHO the way the car should come from the factory. Handling, with the F-Sport rear sway and the RRRacing A arm bushing, is much improved.

Lou
Old 11-23-16, 07:46 AM
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zmcgovern4
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Currently running a 19x10 +40 with a 285/30... fenders rolled. Only rub on really big dips in the road. So no rubbing 99% of the time.
Old 11-24-16, 08:06 AM
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Max16
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Good thanks
I'll go with a 19x9.5 +40
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