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All makes / Mercury

Mercury S-55 torque specs

Pick your years and engine.

1963 S-55 390ci V8
1963 S-55 406ci V8
1963 S-55 427ci V8
1962 S-55 390ci V8
1962 S-55 406ci V8

Torque specs come from the Open Labor Project, the free automotive repair database. Specs marked verified were transcribed from OEM workshop data or checked by hand. For engine internals and safety parts, confirm the value and tightening sequence in the factory service manual.

How the data is built API access Open Labor Project