Make restrictor thickness unique for B Spec
#30349 from Anthony Roma · Rule change · TB 21-03 (2021-03 Fastrack)
In B-Spec, GCR section 9.1.10.E Vehicle Preparation, add restrictor specs as follows:
"45. Restrictor - B-Spec cars whose spec line require a restrictor will follow the definition of a Flat Plate Restrictor (FPR) outlined
in Appendix F with only one exception. B-Spec requires the thickness of the Restrictor to be 0.060" (+/- 0.005")"