How do you route the vacuum lines for a 4barrel quadrajet carb?

To route the vacuum lines for a 4-barrel Quadrajet carburetor, first identify the vacuum ports: one for the distributor advance, one for the power brake booster, and possibly others for accessories. Connect the port for the distributor advance to a manifold vacuum source, usually located on the carburetor base. The power brake booster should also connect to a manifold vacuum source for optimal performance. Ensure all connections are secure and that the lines are routed away from heat sources to prevent damage.