In this installment of Summit Racing’s Quick Flicks, you will learn about the main metering circuit on your Holley-style carburetor.

The video is 15 minutes long and covers adjusting the primary jets, tuning the secondary jets, and finally, the Venturi effect and how it affects your carburetor’s performance.

Author: Matt Griswold

After a 10-year newspaper journalism career, Matt Griswold spent another decade writing about the automotive aftermarket and motorsports. He was part of the original OnAllCylinders editorial team when it launched in 2012.