Holley Carb Diagram
Holley carburetors powered every monster energy nascar cup team and nearly every nhra pro stock champion for four decades.
Holley carb diagram. Each holley power valve is stamped with a number to indicate its vacuum opening point. Cover 157 hot idle compensator assembly 158 h i c. Whether you re looking for exploded views tuning tips rebuild information or more check out holley s in depth carburetor repository. 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.
Holley has been the undisputed leader in fuel systems for over 100 years. Holley carburetor numerical listing. Cover screw 156 h i c. Overview of 4150 vacuum secondary carbs click here to view.
Factory refurbished carbs have undergone a thorough inspection. Idle circuit while the cfm double pumper offers a four corner idle. 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. Overview of 4150 mechanical secondary.
The holley technical resource library. For example the number 65 indicates that the valve will open when engine vacuum drops to 6 5 in. 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. 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.
Congratulations on your holley carburetor purchase. 75 indicates 7 5 in. We are making them directly available to the public. From replacement fuel bowls to power valves and jets and everything thing in between.
For a visual guide on locating your list number as well as help identifying other brands models check out this video. Holley offers a ton of great technical information on the support section of their website. Now holley efi products power these cars and are dominating the performance world. Carburetor rebuild kit selector.
Small adjustment screw that is a stop for the secondary throttle blades. Hg 85 indicates 8 5 in. Here are some additional resources for you to see on holley tv.