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post #69 of (permalink) Old 11th July 2008
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Originally Posted by Pat.w View Post
Hi Geatfix

The dump valve is a pressure release valve. It's there to get rid of air no longer required by the engine.

The turbo will continue to spin after the throttle is released, the pressure being generated is released through the dump valve
Dump valves are for people who can't change gear fast enough
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