Solo Street Touring R class for 2010

[wrathe74]

Link to SCCA News Article

Summary
Sports Car Club of America’s Solo Events Board has approved a new supplemental class—Street Touring® R (Roadster), for competition in 2010.
The class will have the following requirements and restrictions:
- Two seat sports cars
- Engine displacements up to 2.8-liters
- No forced induction

Eligible vehicles will include, but is not limited to:
- All STS eligible vehicles per the requirements and restrictions, plus
- Honda S2000
- Mazda Miata
- Mazda MX-5 Miata
- Toyota MR2
- Toyota MR2 – Spyder
- BMW Z3 (non M)
- BMW Z4 (non M)
- Mazda RX-7 (non-turbo)
- Porsche Boxster
- Porsche 968
- Porsche 944 (non-turbo)
- Pontiac Solstice
- Saturn Sky

Excluded vehicles due to performance potential:
- Lotus cars

Additional class notes include:

- Tire Allowances:
o AWD – 225mm
o 2WD – 245mm

- Wheel Allowances:
o AWD – 7.5”
o 2WD – 8.5”

- Catalytic Converters:
o Same as ST, STS allowance.

- Limited Slip Differentials:
o STR: Only standard LSDs allowed OR Allowance same as STX, STU