Request weight reduction for 12A bridgeport motor in Miata
#30751 from christopher harris · Rule change · TB 21-07 (2021-07 Fastrack)
In STU Spec Lines Table B, Mazda 12A Street Port, change Notes as follows
"Induction: 1 Nikki 4 barrel carburetor with primary chokes bored to match secondary chokes on a stock manifold, or 1 Auto-
type 2 barrel carburetor with 42mm chokes on a "dual-y" manifold."
In STU Spec Lines Table B, Mazda 12A Bridge Port, change weight as follows:
"2550 2350"