Chattering noise on lift off! Why?

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21 October 2003 | 07:40 PM

sti4

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Have just fitted a FMIC and i now get a very loud chattering on lift off. I am assuming that this is the wastegate, but why can I now hear it.

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22 October 2003 | 10:46 AM

RICH WILD

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It's air movement/resonance/pressure changes or whatever you want to call it inside the pipework caused by the dumpvalve venting.

Nothing to do with wastegate, but it does sound a bit like it.

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