1969
what year is 3970020
1970-1973
Gm 3970010 the model?
A GM vehicle.
What engine casting number is 14010207
it is a 1969-1979 motor it was used in cars, trucks, and vettes
350
Check out this site, http://www.nastyz28.com/sbchevy/sblock.php
4.3 v6 gm late model
I'm not sure the exact year of the engine, but I just found an engine with the same casting number and due to the offset engine mounts I believe this to be a Chevy 292.
There are none , They had a sticker on them