The first character will designate the GM Division which produced the assembly.This does NOT stand for COUNTER or CRATE.
C=Chevrolet
L=Oldsmobile
K=Cadillac
B=Buick
P=Pontiac
The second character will indicate the type of unit.
E=Engine
T=Transmission
The digit following the letter will designate the year it was put into service.
8=1968
9=1969
0=1970
1=1971
2=1972
The last 5 digits specify the service replacement unit sequence number.
If the allotted series of unit sequence numbers is exhausted,the plant will start back at the beginning of the numbers again,but this time prefixing it with the letter A to indicate that.
Your example: CE071714
C=Chevrolet
E=Engine
0=1970
71714=block replacement sequence number
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