What year is a 350 Chevy engine with casting no 3970010 suffix code V01I7TDD?

The casting number 3970010 identifies the engine as a 350 cubic inch small-block Chevrolet engine produced between 1969 and 1979. The suffix code V01I7TDD indicates that the engine was built in the Tonawanda, New York plant, on January 7, 1970. Therefore, this engine is most likely a 1970 model year engine.