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HDi fun · 14-05-2008, 07:53 PM

What's the thing with VV turbos?

My P406 uses a Garrett T3 with variable vanes but it has a traditional wastegate as well. Both are under ECU control but I don't see why a wastegate is needed as surely the vanes could all lay down flat and therefore give no boost at all.

14-05-2008, 07:53 PM	#11 (permalink)
HDi fun Moderator The Torque Meister Car: Peugeot 406 Join Date: Apr 2006 Location: SOUTH EAST Posts: 1,775	Re: Skoda VRS. Have you driven one? What's the thing with VV turbos? My P406 uses a Garrett T3 with variable vanes but it has a traditional wastegate as well. Both are under ECU control but I don't see why a wastegate is needed as surely the vanes could all lay down flat and therefore give no boost at all.