Date: Sat, 24 Oct 1998 17:01:24 -0700 From: Justin VanAbrahams <jvanabranopsamnet> Subject: Re: Knock Detection
Cooper Valentine wrote: > > Did you shave th head to get higher compression????? If so, feel free to > suefor damages whom ever gave you that advice. The Knock sensor is part of > a complex system that prevents engine detonation by stopping inaudible > knock by dumping boost and retarding spark. Turbo engines need low > compression to operate with a realistic "fudge factor" to account for > realworld driving conditions. If you raised your compression by more than > 5% you will loose boost and timing advance. > woof The Saab 16v turbo engine is already at a 9:1 compression ratio. Increasing it any more could be dangerous. It's not like the old pre-APC engines w/ a 7.2:1 CR ... -Justin
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