Holley Carb Vacuum Diagram. From replacement fuel bowls to power valves and jets and everything thing in between. My MSD distributor has vac advance so that hooks up to.
I can direct you to a holley website. it has a diagram that has the q-jet vacuume routing all you have to do is look at the.
Went through carb, got vacuum advance hooked back up, motor runs fine.
Holley has different springs for the vacuum actuated secondaries and they are color coded. Im new to carbs so im not familiar with the parts so if you could explain in easy terms it would be appreciated. Holley equips all vacuum secondary carburetors from the factory with the heaviest (black) spring, which opens the secondary the slowest at the highest engine Changing vacuum secondary springs used to be a hassle.