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

Track tire and wheel combo, thoughts?

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Old 02-22-12, 07:38 AM
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wcory15
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Default Track tire and wheel combo, thoughts?

I'm looking at purchasing a set of wheels and tires specifically for track days as I track my car at Nelson Ledges about 10-15 days a year. Below is the setup I've decided on, feel free to comment. The only thing I'm a bit worried about is having 285's in the back and having irregular tire wear because of the larger size.
I'm looking at Enkei PF01 (in black) 18x9.5 +45 285/30/18's in the rear and 255/30/18's in the front.
Wheels = $1420
Tires = $2050
Total mounted, balanced and shipped = $3600
Thoughts?
Old 02-22-12, 11:23 AM
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are you dropped at all? how can you fit those sizes LOL
Old 02-22-12, 11:35 AM
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T-Rex06
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You can actually fit 285/30 on all four corners if you're at stock height. Check this thread out.

Terrance

Last edited by T-Rex06; 02-22-12 at 11:40 AM.
Old 02-22-12, 12:31 PM
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ERDoc74
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as T-Rex pointed out SCCAForums is using those same wheels you're planning on using in the rear AT ALL FOUR CORNERS ...... without fender mods. he's at stock height BTW.... many have said that a "square" setup will help with the understeer of the F. I'm hoping to copy his setup in the next year or two. Good Luck!
p.s. what tires are you planning on choosing?
Old 02-22-12, 07:31 PM
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darbs242
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Just put Toyo proxy888 on your stock wheels... 235 front and 265 rear... The car is amazing with r comps
Old 02-22-12, 09:35 PM
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wcory15
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Thanks a total stock daily driver. Just want to have fun legally.Have summer set up and a winter set up that works great .I love to smoke those 4wd Audis in the snow .
Old 02-23-12, 05:16 PM
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What are you trying to achieve with your setup? My friends and I road race, rally cross and drift so if theres any advice you could use just let me know I'd be more than happy to give you my two cents.
Old 02-23-12, 07:41 PM
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Any staggered set up will have more understeer than a square set up. My plan for the track is 285/30/18 on all four corners just like SCCAForums. It's pretty hard to argue with his results.
Old 02-24-12, 08:47 AM
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wcory15
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Sorry forgot to say which tires, Toyo R888's. So you're thinking I should go 285's at all four corners? I would like to mitigate a bit of the understeer that happens on the track.
Old 02-25-12, 12:59 PM
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Yes. The IS-F is a heavy car and it needs all the rubber acreage you can stuff under it. Supras work best with 315's on all four corners - they're 250 lbs lighter than the F. It's also a front heavy car, so more rubber under the front will help mitigate the understeer they've designed into it at the factory.
Old 03-01-12, 09:43 PM
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wcory15
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I finally ordered the first set I asked about fitting for track only use.I ordered from BJ at Vivid Racing.The first track day is in two months so I will report bach.Thanks for the help
Old 01-22-13, 12:35 PM
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ERDoc74
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you never updated us.... what was your experience with your setup?
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