| Saab 900 Form and Function ..............Performance - Page 7 of 16 "This brochure presents the philosophy and technology behind the various models of the Saab 900. The contents of the brochure are based on the specifications for the 1988 models valid at the time of final editing. The model range, technical specifications and equipment vary from one market to the next." PAGES: 1
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The camshafts are chain driven, and the drive incorporates an automatic chain tensioner. This design is silent and minimises the service requirements.
Due to the small diameters, the valves are more upright than in engines with only two valves per cylinder.
The combustion chambers of the Saab 16v engine are dome-shaped. The spark plugs are located centrally between the four almost upright valves per cylinder. The bottom of each combustion chamber consists of a piston crown, which is almost completely flat.
