Turbo Hydramatic 350

The Turbo Hydramatic 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.

CHEVELLESTUFF  All Rights Reserved
Typical TH350 oil pan

Turbo Hydramatic 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

CHEVELLESTUFF  All Rights Reserved
Partial VIN stamping on a 1972 Arlington TH350