What year is your 3970010 block number K03 25 TXE?

Answer 1

I see a clock with the arrow in the 7 position and below is 5 C 20

Answer 2

The 3970010 block number is often associated with Chevrolet small-block V8 engines produced between the late 1960s and early 1970s. However, without specific additional details or context, it is difficult to determine the exact year or application of the engine. The "K03 25 TXE" code doesn't provide any recognizable information related to the year or application.