Gasoline Models

System is designed to route fuel vapor from fuel tank and carburetor into carbon canister where they are stored until intake vacuum draws vapor into combustion chambers for burning.

Components include a sealed filler cap, check and relief valve, charcoal canister and purge control valve, solenoid operated vent switching valve (carbureted engines), relief valve, roll-over and float valve, and connecting lines and hoses.

The roll-over and float valve and relief valves are used to prevent fuel leakage and excessive pressure inside fuel tank in the event of a vehicle roll over. These valves are not relevant to fuel evaporation system.