Holley Carb Diagram

Each holley power valve is stamped with a number to indicate its vacuum opening point.

Holley carb diagram. This allows you to get a great deal on a like new carburetor. Overview of 4150 mechanical secondary. Now holley efi products power these cars and are dominating the performance world. Holley offers a ton of great technical information on the support section of their website.

Holley carburetor numerical listing. Here are some additional resources for you to see on holley tv. Cover screw 156 h i c. For example the number 65 indicates that the valve will open when engine vacuum drops to 6 5 in.

From replacement fuel bowls to power valves and jets and everything thing in between. Factory refurbished carbs have undergone a thorough inspection. For a visual guide on locating your list number as well as help identifying other brands models check out this video. The holley technical resource library.

Carburetor rebuild kit selector. Almost everybody has a holley carb but not everyone know how to tune them we show that everybody knows it has to be the holley four barrel carburetor. Holley s kit is simple to install using a standard tps sensor adapted to follow the primary throttle linkage movement but this kit does require a carburetor using an electric choke. If you have questions about our products need a part recommendation or just cant seem to find what you need you can contact our tech support online and receive answers by e mail.

Cover 157 hot idle compensator assembly 158 h i c. The mechanical secondary carburetor is best on a lighter car with radical camshaft and a lower gear and manual transmission or on a car that is going to be used for racing purposes. Congratulations on your holley carburetor purchase. Holley has been the undisputed leader in fuel systems for over 100 years.

We are making them directly available to the public. Small adjustment screw that is a stop for the secondary throttle blades. Whether you re looking for exploded views tuning tips rebuild information or more check out holley s in depth carburetor repository. Holley carburetors powered every monster energy nascar cup team and nearly every nhra pro stock champion for four decades.

147 secondary power valve assembly 148 secondary power valve gasket 149 secondary metering body gasket 150 secondary metering body assembly 151 secondary metering body plate 152 secondary metering body plate gasket 153 main metering body plugs assembly secondary 154 secondary metering body screw 155 h i c. Overview of 4150 vacuum secondary carbs click here to view. 75 indicates 7 5 in.