The Camaro is a RS L30/M20. NCRS shipping data indicates it was built at the Van Nuys (California) plant on March 22, which just happens to be my grandfather's birthday.

Today, the Camaro Research Group has ferreted out seven variations of the L30 with a M20, including some with 12-bolt rearends, right-side radius rod, and other extras.

The second 327 in the lineup was listed as RPO L30, and it used a Quadrajet carburetor to produce a total of 275 horsepower. ... Barely-Driven Chevy Camaro ZL1 Has Over $100K Worth of Upgrades, ...

While the Firebird was based on the same chassis as the Camaro, ... V8. The two-barrel carbureted version, known as the L30, had 250 horsepower. This mill also had a high-output version ...