The choke valve in an engine's carburetor, whether it's a Holley carburetor or another brand, helps a cold engine start by restricting some of the airflow into it. When the engine is cold, the choke ...
If there were a category titled Good Carb, Bad Reputation, the Rochester Quadrajet would be at the top of that hit parade. It's doubtful there is a domestic fuel mixer more universally misunderstood ...