Fuel Injection 12a Mazda RX3
#33434 from Aaron Downey · Rule change · TB 23-01 (2023-01 Fastrack)
In EP Spec Lines, Mazda RX-2, change Carburetor. No. & Type as follows:
"(1) Nikki 4 bbl carburetor w/ primary choke(s) bored to match secondary choke(s) on a stock manifold, or (1) Auto-type 2 bbl w/
42mm choke(s) on a “dual-y” manifold”, or (1) 2 bbl fuel injected throttle body w/42mm choke(s) on a “dual-y” manifold."
In EP Spec Lines, Mazda RX-3 & 3SP (72-78), change Carburetor. No. & Type as follows:
"(1) Nikki 4 bbl carburetor w/ primary choke(s) bored to match secondary choke(s) on a stock manifold, or (1) Auto-type 2 bbl w/
42mm choke(s) on a “dual-y” manifold”, or (1) 2 bbl fuel injected throttle body w/42mm choke(s) on a “dual-y” manifold."
In EP Spec Lines, Mazda RX-4 (74-78), change Carburetor. No. & Type as follows:
"(1) Nikki 4 bbl carburetor w/ primary choke(s) bored to match secondary choke(s) on a stock manifold, or (1) Auto-type 2 bbl w/
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42mm choke(s) on a “dual-y” manifold”
In EP Spec Lines, Mazda RX-7 (12A/13B) (79-85), change Carburetor. No. & Type as follows:
"12: (1) Nikki 4 bbl carburetor w/ primary choke(s) bored to match secondary choke(s) on a stock manifold, or (1) Auto-type 2
bbl w/ 42mm choke(s) on a “dual-y” manifold”, or (1) 2 bbl fuel injected throttle body w/42mm choke(s) on a “dual-y”
manifold. 13B: (1) Auto-type 2 bbl w/ 42mmchoke(s) on a “dual-y” manifold, (1) 2 bbl fuel injected throttle body w/42mm
choke(s) on a “dual-y” manifold, or stock 13B fuel injection."