Old muscle-car divorced chokes don't work with aluminum heads lacking exhaust heat passages—but Integral electric choke conversion kits won't fit divorced-choke carb main bodies. That's a problem for ...

Winter is quickly approaching, and while we don't see the frost accumulating quite as much over here on the West Coast, the fact of the matter is the temperature is dropping and the colder it gets, ...

Holley came out with the first modular carburetor, the 4150, back in '57. By '65, the 100,000,000th carburetor came off the Holley assembly line. Today, Holley still makes the 4150, heck, it even ...

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 ...