350 4 bolt main
86 or 87 305 with one piece rear main seal.
What engine casting number is 14010207
350
What Chevy engine block has the castin I mean casting number 397004
The GM engine casting number 3814860 corresponds to a small-block V8 engine produced primarily in the 1969-1972 model years. This casting number is commonly associated with the 350 cubic inch engine variant. It was widely used in various GM vehicles during that period, including Chevrolet cars and trucks.
1970-1973
what does the casting number GM 3892657 say about this engine block
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.
1969-1973 chevy 307
The 302 CUID engine is a Ford engine, not a GM engine.
Couldn't find that number at Mortec, but 3951509 is a 400. hth
350 2 bolt main..i have this in my stock original 1977 Corvette L48