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Engine Compression

WARNING: This page is about a different car, the 1992 Saab 9000 and 1992 Saab 900. However, it is still accessible from the selected car via links, so may be relevant.

Check engine compression at normal operating temperature with all spark plugs removed. To prevent damage to catalytic converter, make tests quickly and only when necessary.

COMPRESSION SPECIFICATIONS (1)

Application Compression Ratio
900 Non-Turbo 10.1:1
900 Turbo 9.0:1
9000 Non-Turbo 10.1:1
9000 Turbo 8.5:1
(1) Compression pressure is not specified by manufacturer.