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Date: Sun, 12 Sep 2004 21:55:36 -0400
From: KeithG <noonenospamay.com>
Subject: Re: Saab 9000 Carlsson


This is a trionic car, no? '93 was a switchover year. Regardless, do the standard BPC valve check (disconnect for wildly uncontrolled boost) If so, replace BPC valve. There are other things, but this is common. KeithG Paul BJ wrote: > OK > > As a temporary measure I have just wrapped the offending piece of tubing in > about 10 layers of insulating tape. A test drive shows that the turbo boost > is now well within limits an fact it doesn't even make it into the orange > section. Performance is massively impacted; it is not even as vaguely as > fast as my 1991 9000S 2.3 FPT, it performs more like an LPT, but I would > rather have that than a dead engine. I believe there is an adjustment on the > waste gate actuator arm that can increase the boost pressure (?). > > Logos....I have one Carlsson logo on the rear of the car, nothing on the > sides or the front but I do have a logo embeded in the steering wheel that > says Carlsson. There is no body stripe. It lacks the all round body skirt > that the my previous Carlsson sported and it also lacks the rock hard > suspension that the other Carlsson had. It does however have the wing style > spoiler on the boot lid. Is this a Carlsson or a standard CS that has been > "re-badged" and seemingly badly tweaked. > > Cheers > > Paul BJ > > "Paul Halliday" <pjghnospamyonder.co.uk> wrote in message > news:BD6A7593.11553%pjghnospamyonder.co.uk... > >>in article 4144adcf$0$322$ba620e4cnospam.skynet.be, Paul BJ at >>paulnospamlessbrownjohn.co.uk wrote on 12/09/2004 21:15: >> >> >>>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). >> >>The Carlsson bit will be self-evident. Do you have Carlsson logos on the >>rear sides and boot? Red stripe down the side of the car? The 9K Carly is >>quite a babe :) >> >> >>>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? >> >>The biro pen in the wastegate pipe with drilled holes trick is nasty. > > Remove > >>it. Off the scale means your car is boosting well beyond the limits of the >>internal computer (APC). Your engine will be knocking. Okay, it's fun but > > if > >>you want the car to last (or avoid expensive gearbox rebuilds), get rid of >>that metal tube. >> >>If you're interesting in attaching a knock sensor LED to your car, so you >>can see if it's knocking please take a look at http://www.nospam/ - >>it's a superb resource for understanding the SAAB APC system. The site > > also > >>deals with how to "mod" your turbo/knock computer to get better (and safe) >>performance, without bypassing SAAB's on-board turbo controller. If you do >>decide to bypass the APC system (using a proper MBC, rather than a cheap >>hack), the knock LED will alert you to fuelling and charge cooling > > problems > >>very quickly. >> >>http://www.nospam/ is also a good resource, run by IIUC a chap > > called > >>Bill Jones who owns a *very* fast 9000 Aero - 5.5 second 0-60!!! >> >>Paul >> >>1989 900 Turbo S >>http://saab.go.dyndns.org/ >> > > >

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