997 Turbo / GT2 2006–2012 Turbo discussion on the 997 model Porsche 911 Twin Turbo.
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Tire Considerations...

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Old Jun 16, 2008 | 04:19 PM
  #1  
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Tire Considerations...

A few questions regarding tires...

First, what sizes are people running?
Stock Front: 235/35-19, sidewall 3.2", circumference 80.0"
Stock Rear: 305/30-19, sidewall 3.6", circ 82.3", % front +2.9%
Assuming you keep the fronts stock size, the rear options are:
305/25-19, sidewall 3.6", circ 82.3, % front +2.9%, % stock rear 0%
315/25-19, sidewall 3.1", circ 79.2, % front -1.1%, % stock rear-3.8%
315/30-19, sidewall 3.7", circ 83.1, difference F/R +3.8%, % stock rear +0.9%
325/25-19, sidewall 3.2, circ 79.8, % front -0.3%, % stock rear-3.1%

It seems like 315/30-19's are the only one with reported problems. The 325/25-19's seem like a good match front to rear. Anyone know if the speedo runs off the front or rear wheels?
Second, what are the best daily driver tires?
I like the PS2's for low road noise , wearability. Any others people love?
Finally, what are the tires and sizes people are running for winter tires?
I have no plans to make the 997TT my snow car but I would like to drive it in the cold and want to make sure I don't get stuck in case of sudden weather changes.
 
Old Jun 16, 2008 | 04:51 PM
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PS2's hands down
 
Old Jun 17, 2008 | 10:37 PM
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+1

I have found the PS2s to be the best all around daily driving tire for my 997TT. As for the winter, I do not store my turbo...I drive it (cautiously) in the snow...but only with winter tires. If you get snow in the winter that accumulates, get snow tires. But if you are just driving in the rain/cold...you should be okay with the PS2s...just don't do anything stupid until they warm up.
 
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