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Old 10-08-2010, 11:39 AM   #21
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FWIW, what temperature range, and is rain a concern?

On size...some of the max-performance 205s are larger than "normal" 205s. Between running wide for the tire wars and having squarer edge profiles.

I prefer to see Miatas running the same wheels/tires front and rear.
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Old 12-24-2010, 05:38 AM   #22
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I'd do a 15x6.5 in the front with a 195, and a 15x9 in the rear with 275 racing slick, and no front sway bar. This is for fastest lap times.
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Old 12-24-2010, 07:52 AM   #23
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I run 205/50-15r RE-11s with out any cornering or traction problem in my 349whp NB.
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Old 12-24-2010, 09:59 AM   #24
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FWIW, I am using 225/40/16 T1Rs on 16X7 wheels. The offset is 40mm I believe.

The 1.3% (or so) diameter increase makes up for the optimistic speedo error, and the car handles much better than the 195/50/15 setup I used to have.

And, I no longer leave 20 foot skid marks on the freeway when I hit the gas in 4th gear.
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Old 03-16-2011, 10:26 PM   #25
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The best size for fun fast road use are standard sizes, 14x6 or 15x6.5 with good tyres.
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Old 03-17-2011, 02:52 AM   #26
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You said ROAD USE.

Honestly for backroads you want a lightweight combo for compliance and grip over bumps, more than outright max cornering G's.

And, 195 or 205 tires are a lot cheaper than 225's.

35 mm offset will give you less steering wheel jerking on bumps than a smaller offset.

I suggest lightweight 15x7 rims with 195 tires, or 15x7.5 with 205's.

R1R class tires have more grip than you ever "need" on the street; RA1's if you want even more than that. Softer sidewalls grip better on ripply pavement.

I use 9.5 lb 15x7 Comp SSR's and 195/50/15 RE-01's on the street. The 6ULs with 225's are for track and autox.
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Old 04-05-2011, 04:22 PM   #27
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Quote:
Originally Posted by JasonC SBB View Post
You said ROAD USE.

Honestly for backroads you want a lightweight combo for compliance and grip over bumps, more than outright max cornering G's.
I've noticed with a stock powerd car, my 225/45/15 RS-3's stuck like glue, and made the car seem down on power since it would never get out of shape.

So that's why it's getting some serious power upgrades
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