Strike Tire Tread Language
#26123 from Spec Miata Committee · Rule change · TB 19-02 (2019-02 Fastrack)
In SM, GCR section 9.1.7.C.5, remove the section as follows:e. Tire tread (that portion of the tire that contacts the ground under static conditions) shall notprotrude beyond the fender opening when viewed from the top perpendicular to the ground. Todetermine compliance, the vehicle should be rolled through a powdered substance, as racedwith driver, in order to indicate the tire tread contact patch under static conditions.