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 ...

Last month we discussed the differences between a conventional carburetor and the Computer Command Control carburetor, and we covered how the mixture control solenoid worked. We also discussed how the ...

"Quadrabog," "Quadrajunk," and a host of other time proven nicknames define GM's most notorious four-barrel carburetor. Enthusiasts either love it or hate it. However, the Quadrajet is easily the most ...

Pontiac began using the Rochester Quadrajet carburetor on certain V-8 applications in '67, and it was the Division's four-barrel of choice from '68 onward. With literally hundreds of thousands of ...