This casting code is from both two and three freeze-plug small-block 400's from '1970 to 1973. These blocks can also have 2 or 4 bolt mains
That casting number belongs to a 1971 Impala. It is a 400 small block chevy. These can be pretty good motors.
What Chevy engine has the casting number 3970011?
Are you sure it is not 3951511? http://outintheshop.com/faq/casting/castings2.html
The Chevy engine with that casting number was made in 1993.
What Chevy engine block has the castin I mean casting number 397004
The Chevy engine with that casting number was made in 1993.
The 1970 Chevy has a 400 cu in SB casting 2951511 Canadian Block. To find parts for older vehicles, you can visit local junk yards or order from companies that specialize in hard to find parts.
I have a 1996 305, Vortec with that number on it.
1987
It is a 327
283 SBC Corvette
The Chevy engine with casting number GM 8970024 is typically associated with the 1975 model year. This casting number indicates it was part of the small-block V8 engines produced during that time. Always verify with additional identification methods, as engine casting can sometimes overlap between years.