Revise 79-85 RX7 Brake Spec Line Allowance
#33293 from David Mead · Rule change · TB 23-01 (2023-01 Fastrack)
In EP Spec Line, Mazda RX-7 (12A/13B) (79-85), change Notes as follows:
"Level 1 dry sump, intake manifold porting permitted. Alternate multi-piece hub and rotor allowed provided they are of thesame dimensions as original and weigh a minimum of 10.2 lbs. 13B (only): Any 13B rotor housing and any non-turbo 6-port side
and/or intermediate housing permitted. Use of differential from 94-97 Mazda MX-5/ Miata permitted."