FDB. Did you ever figure out if the gearing in the ZF is stock?
I would be intersted too if you find any V or Z x15 rear tires.
Pirelli lists P Xero ZR 225/50/15's. The Tire rack lists them as available.
The problem is finding anything besides an S or Tfor the rear.
I am considering using race wets 295-15 for the rear. Even those are hard to find.
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