Air Injection System - CARBURETED Models: Description
The Air Injection system reduces exhaust emissions by injecting fresh air into the exhaust gas stream as it leaves the combustion chambers. The oxygen in the fresh air, plus the heat of the exhaust gases, causes further oxidation (burning) of the exhaust gases, reducing emissions. The system consists of a belt driven air pump, check valve(s), a pressure relief valve (relief/diverter valve on TR8), and a gulp valve (MGB and Spitfire only).