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Anti-lag

A Turbo anti-lag system works by allowing fuel and air into the engine, when the throttle is not depressed. This passes through the chamber, but explodes on contact with the hot exhaust manifold. This explosion then drives the turbo impeller, maintaining a very high rate of spin.

It is comonly used in rally cars. The turbo generally works a lot harder in cars using anti-lag and the temperatures are a lot higher as the turbo is spinning constantly at high rpm. This requires additional maintenance on the turbo making it uneconomical for anything other than competitive events.

click to play anti_lag sound