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Saginaw Transmission Identification

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The Saginaw three- and four-speed manual transmissions transmitted engine power to the wheels on General Motors non-performance and mid-range performance cars. The transmissions were cast-iron and stamped with an application code.

Physical Characteristics

Both versions of the Saginaw transmission featured the case and extension housing sealed with a seven-bolt cover on the side. The gears were fully synchronized and the synchro rings had 30 teeth. Mounted on the cover was the reverse shift lever.