215 Aluminum Buick 1963 engine numbers

[zuuuki1]

Have purchased what Im told is a 1963 Buick 215 the numbers in the photo show
JN (the numbers are unreadable following the JN) The second set of numbers are 3J1584658. The engine has no intake on it and the seller said it appears to have high comp pistons in it. Any help would be great Thanks!!




Don

[skylarkman2]

The 3J..... number is the VIN number of the car it came out of.
The "3" indicates that it was a Skylark model.
The "J" indicates that it was a 1963 model.
1961 = "H", 1962 = "I", and 1963 = "J".
The JN... is the motor ID - a 1963 hi-comp engine.
It was the 200 hp engine with 11:1 comp pistons.
dave-TX

[skylarkman2]

Additional note: the JN engine had a 4 bbl intake.
The JM had a 2 bbl intake.

[zuuuki1]

Thanks for the help

Don