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Re: Is there a KKK site? Some questions about turb
>Just how do variable vane geometry turbos work?
the vanes are "static" aerodynamic devices that direct the exhaust flow
into the impeller blade. by varying the angle of the vane blades, the
turbo can be used more efficiently over a wider range of flow
characteristics. in the garretts, the vane adjustment is by a lever
that is operated by a vacuum diaphragm.