>What is the difference between a whistling turbo and a non-whistling
turbo?
>Exhaust piping??
>
A bit of that and the impeller speed, nowadays for good pick-up exhaust
turbines tend to be small but very, very high revving, the whistle is
still there but beyond our human hearing range, plays merry hell with
the cats and dogs though.
Richard
(Southampton UK)
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