How to Set Idle Mixture Screws on a Holley 4150 Carburetor?

Answer The Holley 4150 carburetor is a four-barrel carburetor designed specifically for high-performance engines. The carburetor is known as a "four-corner" carburetor because it features a single air/fue... Read More »

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How to Adjust the Idle Mixture on a Holley 4150 Carb?

Idle mixture adjustments on the Holley 4150 alter the amount of fuel introduced to the air flow within the throttle bores. This fuel is controlled by the metering block, of which the 4150 series ha... Read More »

How to Rebuild a Holley 4150 Carburetor?

First produced in 1957, the Holley 4150 is a mainstay within the Holley carburetor family. Its 4-barrel, double-pumper design lends itself to street engines, drag cars and high-performance off-road... Read More »

How to Adjust Idle Mixture Screws?

The idle-mixture screws in a vehicle's carburetor determines how much air is mixed with the fuel being drawn through the carburetor while the engine is idling. If the idle-mixture screws are improp... Read More »

How to Adjust the Idle Mixture on a Holley Carb?

Adjusting the idle mixture of your Holley carburetor is an important procedure in the operation of the motor. The proper adjustment of the carburetor can improve your fuel mileage as well as keep t... Read More »