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Old 07-07-2009, 06:08 PM   #1
frsh13
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Member#: 183262
Join Date: Jun 2008
Chapter/Region: NESIC
Location: The Hill
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2004 Sti
#16 BSP

Default 225/40 or 235/40??? Nitto NT-01

Tires: Nitto NT-01
Wheels: 5Zigen Pro Racer GN+, (18x8.5 +48)
Purpose:4 track days, will not be driven on the street

I am trying to decide if I should run 225/40/18 tires as I did last season with my Azenis, or if I would see better track times with a slightly wider 235/40/18 tire. The price difference is only $30 per tire, and im pretty sure the larger tires wouldnt rub, but would the extra 10mm of tire width actualy make a difference? As always I turn to Nasioc since I dont know where else to go with questions like this!

04 sti, lowered about 1/4 inch on coilovers.

planned tracks this season: pocono's, the glen, and NHMS
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Old 07-08-2009, 12:01 AM   #2
mosc
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Join Date: Apr 2008
Chapter/Region: Tri-State
Location: Philly
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2015 STi White

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255/35/18
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Old 07-08-2009, 10:52 AM   #3
gregr01
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Quote:
Originally Posted by mosc View Post
255/35/18
That would be the better choice, if Nitto offered the size in their NT01.

If it has to be this tire, then 235 is the better option.

You will be entering a whole new world of fun and problems going from relatively low-grip Azenis (615?) to r-compound tires. Make sure your wheel bearings are fresh and do you homework before you start adding too much speed/cornering grip.

I had a ball doing track days first on street tires then r-compounds, but the consumables cost became .

I used Pirelli Corsa in 255/40 on 17x8.5 wheels.
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Old 07-08-2009, 06:47 PM   #4
frsh13
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Join Date: Jun 2008
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Location: The Hill
Vehicle:
2004 Sti
#16 BSP

Default

Quote:
Originally Posted by gregr01 View Post
That would be the better choice, if Nitto offered the size in their NT01.

If it has to be this tire, then 235 is the better option.

You will be entering a whole new world of fun and problems going from relatively low-grip Azenis (615?) to r-compound tires. Make sure your wheel bearings are fresh and do you homework before you start adding too much speed/cornering grip.

I had a ball doing track days first on street tires then r-compounds, but the consumables cost became .

I used Pirelli Corsa in 255/40 on 17x8.5 wheels.
Ordered the 235/40/18 NT-01's today. Yea it is going to be interesting to drive on r comps, I am real excited to actually get to switch rubbers and feel the difference for myself. What I really cant wait to see is how long these tires will last.
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Old 07-09-2009, 08:24 PM   #5
littlewhitewagon
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SWP

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Don't forget to adjust your suspension for the stickier rubber. Air pressure is very important.
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