GM engine block # 3970010 was used as early as 1968 on some 327ci engines. From 1969-1979 it was a 350ci engine. It could be a 2 or 4 bolt block used in cars, trucks and even corvettes. You can also find these blocks with a "Mexico" stamp on them near the block ID. It has been said that these are high nickle content blocks and may be stronger than others.
350 and 327 [1966 - 1980]
Gm 3970010 the model?
The code "GM 37 3970010" likely refers to a specific part or casting number associated with a General Motors engine block, particularly from the year 1937. The "GM" indicates the manufacturer, while "37" specifies the model year. The number "3970010" is a casting number that identifies the block's design, specifications, and compatibility with certain GM vehicles. This number can be used to find more information about the block's history and applications in GM cars or trucks.
The GM engine with the casting number 3970010 is a 350 cubic inch V8 engine, commonly found in various Chevrolet vehicles from the late 1960s to the early 1980s. The stamped numbers "K1114TXL" indicate that the engine was manufactured on November 14, likely in the year 1979, with "TXL" designating it as a specific engine variant. This engine was often used in passenger cars and light trucks.
its a 1967 engine most likely from a chevelle with 275 HP
It's probably a 1972 350.
4bolt 350ci
it is a 1969-1979 motor it was used in cars, trucks, and vettes
A81 should be January 8, '71,'81,'91.
It's a 4" bore block. Has been used for 302, 327, and 350 engines.
Not much info at mortec. It is a 350, made from 80-85. Can be either 2 or 4 bolt mains.
1968------327 & 1969-79 ----350