14.11.A says- The STX class expands the vehicle eligibility limits beyond those specified for STS, and adds a limited number of allowed modifications. These allowances are as follwos:
14.11.A.1 All allowances in STS carry over, including street tires, emmissions, etc.
14.11.A.3 Engine size allowance: up to 5.1 liters, Normally Aspirated, and 2.0 liters, forced induction.
14.11.A.7 Brake rotors may be replaced with any rotor of equal or larger diameter made from a ferrous or aluminum alloy. Calipers are unrestricted, but must mount to the original mounting points.
And the first page of the section 15 (Street Prepared), paragraph 5 says- Cars listed as eligible in and prepared to the current national Street Touring (ST) class rules are permitted to compete in their respective Street Prepared classes, with the additional allowance that they may use any tire which meets the requirements of 15.3 and fits on the ST-legal wheels and within the ST-legal bodywork.
__________________
FWD is the new AWD
|