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Date: Wed, 29 Sep 2004 11:57:19 -0600
From: "Mark Kline" <markklinenospamt.net>
Subject: Re: Saab 9000 Carlsson


BINGO! The waste gate is jammed open. Overboost like this will blow the engine. Mark of ScandiaTek "Paul BJ" <paulnospamlessbrownjohn.co.uk> wrote in message news:4144adcf$0$322$ba620e4cnospam.skynet.be... >I have just bought a 1993 9000CS Carlsson (at least thats what the badge >on > the car says, the registration document does not mention the Carlsson bit > at > all). > > I have noticed that the turbo boost pressure goes completely off the scale > of the boost pressure guage if you plant your right foot firmly in any > gear. > I have also noticed that a section of metal tubing has been inserted into > one of the tubes running from the turbo to the dump valve and a small hole > (1mm - 2mm) has been drilled in this piece of metal tubing. I suspect this > is related to the behavior of the turbo and I wonder if it is a "boy > racer" > modification o stop the waste gate valve or dump valve from performing its > normal function and thereby keep the turbo blowing even when the boost > pressure is higher than Saabs designed it to be. Anyone know anything > about > this one? > > Cheers > > Paul BJ > >

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