How do I Convert a Holley 4150 to Alcohol?

Answer Holley gasoline carburetors are designed to bring fuel into the engine in metered increments. If you upgrade your engine to run alcohol, your gasoline carburetor will need to deliver twice as much ... Read More »

Top Q&A For: How do I Convert a Holley 4150 to Alcohol

How to Convert a Holley Gas Carb to Alcohol?

For racers looking to compete in alcohol-fueled divisions, purchasing alcohol-ready equipment directly from the manufacturer can be prohibitively expensive. If you have an old Holley double-pumper ... Read More »

Instructions to Rebuild a Holley 4150?

The Holley 4150 is one of the most widely used carburetors in Holley's extensive lineup of fuel delivery systems. Holley has even dedicated a video series to tuning, adjusting and rebuilding the 41... 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 Rebuild Holley Pro Series 4150 HP Carburetors?

The Holley 4150 HP series is designed to be highly tunable and flexible for a wide performance range. Four barrels are fed by spun boosters, adjustable air bleeds, a polished air horn and high-flow... Read More »