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To those who run huge rears...

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Old 01-26-2017, 09:41 PM
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Default To those who run huge rears...

..what size front tires do you run? I am currently running 17 x 7" with 215/45-17 tyres for a 90% track, 10% street NB (big front discs that won't fit 15s). Here in Australia, the Koya semi forged wheels are popular and cheap, so I'm looking at the SF02 in a 17 x 9" with a +15 offset. Turns out like this compared to my current fitment:


At the moment it has 250whp, with ethanol still to come, so hopefully approx 300whp in the end. Seems like there are lots of guys running 245, 255, and 275 rears - I was just wondering what size your fronts are when your caboose is that fat? Over here the size 255/40-17 is readily available. Given my context and specs above, should I run 4 x 255s, or should I run 255s on the back, and something thinner on the front?
Many thanks
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Old 01-26-2017, 09:42 PM
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Almost everyone runs identical f/r sizes
So yeah, square.
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Old 01-26-2017, 09:46 PM
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Square. 245/40/15 front and rear. 255/45/17 won't even come close to fitting on the car properly. Like 3" too tall.
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Old 01-27-2017, 10:26 AM
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Unless you have significant rear weight bias, run square setup for anything that turns.
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Old 01-30-2017, 03:47 PM
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Default Huge rears

Just for ***** and giggles, read this thread.
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