Date: Tue, 01 Feb 2005 06:20:44 GMT From: Valued Customer <nonospam.com> Subject: Re: Saab newbie
> There's still something you're missing here. Turbochargers effectively raise > the compression ratio when under boost, higher compression engines require > higher octane ratings to prevent detonation due to heated air from the > compression... Not missing anything and I think you failed elementary physics... I understand a turbo charger is driven by exhaust gasses and those exhaust gasses are indeed hot. But when a gas is compressed, any gas, it gets colder by nature... not hotter!
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