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From: jfp@unccvax.UUCP (James Price)
Newsgroups: net.auto
Subject: Turbo wastegate control from inside car
Message-ID: <453@unccvax.unccvax.UUCP>
Date: Mon, 3-Mar-86 11:35:50 EST
Article-I.D.: unccvax.453
Posted: Mon Mar  3 11:35:50 1986
Date-Received: Wed, 5-Mar-86 06:34:11 EST
References: <5004@kestrel.ARPA>
Organization: UNC-Charlotte
Lines: 18
Keywords: Mustang SVO

> 
>    From: cuda@ihuxf.UUCP (Mike Nelson)
>
> Well, turbos have "dump servos" or "waste gates" that bypass a
> proportion of the exhaust past the turbine that depends on the
> compressor's output pressure.  Couldn't the setpoint of the waste gate
> be changed much more easily than changing the gear of a supercharger?
> Seems to me that it could be changed while the car was running,
> continuously variable, by a choke-knob-like adjuster!
> 

     The Mustang SVO provides not only the setpoint of the wastegate
through EEC-IV, but it also provides selectable maximum boost from 
inside the car.  Why anyone would want a choke-knob on the dash to
force the wastegate shut is beyond me.....

James Price
DataSpan, Inc