Quote:
Originally Posted by kodioneill
I could watch that for hours. What's the "chatter noise" turbo boost over pressure ?
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anti-lag. This keeps the turbo spinning when off the throttle so that when you exit a corner and jump back on the throttle the turbo boost is still "on boil". There are a couple of ways of doing it, but essentially, at throttle lift, timing is way retarded and air is injected into the engine by part throttle or secondary air injector. Net-net, is mostly unburnt fuel exploding in the exhaust and keeping the turbo spinning to a nominal boost.
Turbo Anti-lag systems - A technical description