1. Distributor Vacuum Advance: Connect a vacuum hose from the distributor vacuum advance port to the ported vacuum port on the carburetor. This provides vacuum for the distributor to advance the timing as the engine speed increases.
2. Vapor Canister (EVAP): Connect a vacuum hose from the vapor canister purge valve to the purge port on the carburetor. This allows the engine to draw fuel vapors from the canister and burn them.
3. EGR Valve: Connect a vacuum hose from the EGR valve to the EGR port on the carburetor. This provides vacuum to the EGR valve to control exhaust gas recirculation.
4. Transmission (Automatic): Connect a vacuum hose from the transmission vacuum port to the transmission vacuum port on the carburetor. This provides vacuum to the transmission to control shift points.
5. Choke Pull-Off: Connect a vacuum hose from the choke pull-off to the choke pull-off port on the carburetor. This provides vacuum to pull the choke open as the engine warms up.
6. Air Cleaner Plenum: Connect a vacuum hose from the air cleaner plenum to the PCV valve. This provides vacuum to the PCV valve to draw crankcase vapors into the engine.
Additionally, there may be other vacuum hoses connected to the carburetor for specific emissions control systems or accessories installed on your vehicle. It's important to refer to the specific vacuum diagram for your car to ensure all vacuum hoses are connected correctly.
