Turbo Hydra-Matic 350

The Turbo Hydra-Matic 350 was introduced to Chevelles for the 1969 model year and is a 3-speed automatic transmission designed as an alternative automatic for the venerable 2-speed Powerglide. The TH350 was available with any small block V8 engine.


Typical TH350 oil pan

Turbo Hydra-Matic 350 assembly plants include Cleveland, OH. (C), Toledo, OH. (T), and McKinnon Industries, St. Catharines, ON. (E) and they varied model years. See the matrix below.

1969 1970 1971 1972
Cleveland, OH (X - prior to 8/12/68)
Cleveland, OH (B - after 8/12/68)
Toledo, OH (Y)		 Cleveland, OH (B)
Toledo, OH (Y)		 Cleveland, OH (B)
Toledo, OH (Y)		 Cleveland, OH (B)
Toledo, OH (Y)

Partial VIN Stamping


Partial VIN stamping on a 1972 Arlington TH350