This is the block casting number for a Chevy 305, build between 1976 and 1979.
The Chevy engine with that casting number was made in 1993.
The Chevy engine with that casting number was made in 1993.
1969
1987
1969
i called the Chevy dealership and they told me the year
That # was used from 70-76.
1996
What Chevy engine has the casting number 3970011?
That block was used from 1968 through1985.
casting number 3970010 is a 350 block from 1969 - 1979 but in 1969 302 and 327 have the same casting # and im not to sure about the other #