Date: 4 Oct 2001 04:20:32 -0700 From: johsnopsamanytime.co.uk (Johannes H Andersen) Subject: Re: 93 9000CS "Can I Have Turbo?"
"VIKINGMAN" <saabnopsamlixnet._nospam_dk> wrote in message news:<PDGu7.2041$%D3.161831nopsam000.worldonline.dk>... > "Johannes H Andersen" <johsnopsamanytime.co.uk> skrev i en meddelelse > news:1ec6845d.0110030419.26b0d17cnopsaming.google.com... > > > But... the compression ratio on a non-turbo is higher, typically > > 10:1 instead of 9:1 . That means that the knock sensor will cut out > > the turbo much more often. > > No knocksensor! And, the reason for going with the baseboost or just below, > is to compensate for the higher compression ratio! > > Cheers! LPT also have a lower compression ratio, 9:1 instead of 10:1 for the non-turbo model. I'm surprised that you say there is no knock knock sensor? Are you sure? Some modern cars even have a knock sensor without a turbo. IMO the knocksensor is wired to the APC which controls the turbo. The APC may a stand-alone box or it may be part of the Trionic system. I only have Haynes manual, which is not very much. Johannes
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