That block was used from 1968 through1985.
What Chevy engine has the casting number 3970011?
The Chevy engine with that casting number was made in 1993.
You will need to provide the suffix code from front on the passenger side head of the engine.
Look again, could it be 3970010? If so it came out of a 1969-79 car, truck or Vette
What Chevy engine block has the castin I mean casting number 397004
The Chevy engine with that casting number was made in 1993.
A Chevy 8970010 is a 4 bolt main 350 cubic inch engine. It is classified as a small block and is placed in a variety of automobiles from sedans to light trucks.
I can't give you an exact year based on casting number alone because Chevy used that casting for several years from 1969 through the mid 1970's. It's one of the better (and more common) 350 block castings. It can be either 2 or 4 bolt main, depending on what it was originally used for. As long as it's in good shape, it's a great block to build.
I have a 1996 305, Vortec with that number on it.
1987
It is a 327
The Chevy 4.3 engine with casting number 10066011 was produced in 1987. This particular casting number is associated with the Generation I small block V6 engines used in various Chevy and GMC vehicles during that era. The 4.3 engine was widely used in trucks and vans and is known for its durability and versatility.