What carburetor was OEM for a 1977 Chevy el camino with a 350 engine?

The original equipment manufacturer (OEM) carburetor for a 1977 Chevrolet El Camino with a 350 engine was typically the Rochester Quadrajet. This four-barrel carburetor was commonly used in various GM vehicles during that era, providing a balance of performance and fuel efficiency. Depending on the specific model and options, the Quadrajet could have variations in tuning and specifications.