Clarification of 79-85 RX7 Spec line
#31621 from Daniel Sheppard · Rule change · TB 22-01 (2022-01 Fastrack)
In STL, Mazda RX-7 12A (79-85), change notes as follows:
"Stock Nikki 4 bbl carburetor on a stock manifold only. Allow the standard removal of emissions related components, and allow
air and fuel jets to be corrected. Modification of the water jacket in the area of the spark plug for cooling purposes is permitted."