Date: Tue, 31 Dec 2002 13:17:05 +0000
From: Johannes H Andersen <johsnopsamsizefitterzzzz.com>
Subject: Re: Opinions on the new 9-3 engine


Goran Larsson wrote: > > In article <MPG.187ad9e17f856c259897b4nopsam.demon.nl>, > Bart Boer <barboer.wilgeennopsamel.freemail.nl> wrote: > > > The die-cast base of the block is a GM (Opel to be more specific) design. > > The L850 block was designed by Lotus for GM. > > > Just like the old Saab engineblocks are a british (Triumph, to be more > > specific) design, > > The old 1.7 and 1.85 liter blocks were designed for Triumph by Ricardo. > These blocks have cylinders in pairs, i.e. the distance between 1 & 2 > (and 3 & 4) is closer than between 2 & 3. The block is bent, i.e. it > looks like a V8 without one cylinder bank. > > The 2.0 block was then designed by Saab as the reliability of the > Triumph engine was so poor. The 2.0 block has the same distance between > all cylinders, but is also bent as it had to fit in the same Saab 99 > engine bay. > > The 2.3 (and the later 2.0) block was then a new design done by Saab. > This block is straight as it was designed to fit in the 9000 (it did not > need the bend). This block was then shortened to fit in the NG900 engine > bay. > There were some press reports around when the 9-5 was launched that the engine block was 10% lighter. That was presented as a progression (of course) as it saved fuel and made the handling better. How different are the 9-5 engines from the 9000? Johannes

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