How to Modify a Holley 4165 Carburetor?

Answer Holley modifications are nearly endless thanks to numerous aftermarket suppliers and Holley's famous modular design platform. Holley carburetors can be permanently modified to run alcohol instead o... Read More »

Top Q&A For: How to Modify a Holley 4165 Carburetor

How to Modify a Holley 660 Carburetor?

The Holley 660, named like all Holley models, for its CFM (cubic feet per minute) air flow rating, can be modified in three primary ways. You may modify the flow pattern of the fuel and/or vacuum w... Read More »

How to Modify Holley Carbs?

Holley carburetors are manufactured in a modular format, meaning that regardless of size, each carburetor will have similar components and identical construction methods. Furthermore, Holley's afte... Read More »

How to Jet a Holley Carburetor?

Holley Dominator carburetors have been used in drag racing and performance vehicles for more than three decades. Car owners can adjust the amount of fuel that is fed into the combustion chambers of... Read More »

How to Tune a Holley 750 Carburetor?

Carburetors were used in engines until the 1990s as a way to control the air and fuel mixture needed to operate a vehicle. They were later replaced by fuel injection systems, which provide better c... Read More »