How to Tune a Holley Carb?

Answer Tuning a Holley carb will include adjusting the fuel float level, the idle adjustment screw and the throttle plate cam. These adjustments will control the amount of fuel within the carburetor durin... Read More »

Top Q&A For: How to Tune a Holley Carb

How to Jet a Holley Carb?

Each Holley carburetor comes with factory jets set for sea level elevation and a temperature of 70 degrees. For every 2,000 feet in altitude change, or 35 degrees of temperature change, the jets wi... Read More »

How to Lean a Holley Carb?

A Holley carburetor can be leaned either through the idle circuit or the main jets. The carb has main and secondary replaceable jets with its sizing numbers on its face. Leaning out a carburetor wi... Read More »

How to Clean a Holley Carb?

Holley carburetors have been a part of the family car for decades, but also help power race cars, specialty cars and some marine engines. One-barrel, two-barrel and four-barrel carburetors all work... Read More »

How to Adjust a Holley Carb?

Adjusting a Holley carburetor is a job that can be done in just a few minutes. Occasionally, the adjustment screws on a Holley carburetor will loosen from engine vibration while it is running, caus... Read More »