Thread: B-street setup
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      09-12-2017, 11:27 AM   #3
Sprockett
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Drives: Cayman S
Join Date: Jun 2017
Location: Calgary, AB

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If you stay 19" I've seen 275 RE71R mounted up front with evidence of rubbing the wheel liner. 305 RE71R fit the rear. This would keep your gearing near stock which is pretty much perfect for the manual but still very short for the DCT.

If you drop to 18" wheels you can run the 285/30R18 RE71R up front with no rubbing. The rear you can run the same or even fit the 315 Rival S. They stick out the fenders and throw rocks everywhere but do not rub. Besides cheaper tires, either of these setups have the advantage of lowering the car's high CG (relative to the rest of the class), increasing the thrust a bit, but gearing will suffer. The DCT will top out at a pathetic 57mph with the 285 on the rear and the Manual will only be in the mid low 60s.

Another option is to stagger...18" front wheels with crisp short sidewall 285s and 19" rears with 305s.
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