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ENGINE NUMBER
Along with the VIN number, the engine block is stamped with an engine production code. The code has a series of letters that identify the engine and a numeric production date code. The production code is stamped on the right of the engine block.
SPECIAL, SPECIAL DELUXE(EXCEPT WAGON) & SKYLARK COUPE
ENGINE
NO.
NO.
CYL
CID
H.P.
COMP.
RATIO
CARB.
TRANS.
NH
NL
NM
NB
6
8
8
8
225
300
300
340
160
210
NA
260
9.0:1
9.0:1
7.6:1
10.25:1
2BC
2BC
2BC
4BC
MAN/AUTO
MAN/AUTO
MAN/AUTO
MAN/AUTO
SPECIAL DELUXE WAGON, SKYLARK (EXCEPT COUPE & 4-DR. HT)
ENGINE
NO.
NO.
CYL
CID
H.P.
COMP.
RATIO
CARB.
TRANS.
NL
NM
NB
8
8
8
300
300
340
210
NA
260
9.0:1
7.6:1
10.25:1
2BC
2BC
4BC
MAN/AUTO
MAN/AUTO
MAN/AUTO
SKYLARK 4-DR HT, SPORTWAGON, LESABRE
ENGINE
NO.
NO.
CYL
CID
H.P.
COMP.
RATIO
CARB.
TRANS.
NA
NX
NB
8
8
8
340
340
340
220
NA
260
9.0:1
8.1:1
10.25:1
2BC
2BC
4BC
MAN/AUTO
MAN/AUTO
MAN/AUTO
GS 340
ENGINE
NO.
NO.
CYL
CID
H.P.
COMP.
RATIO
CARB.
TRANS.
NB
8
340
260
10.25
4BC
MAN/AUTO
GS 400
ENGINE
NO.
NO.
CYL
CID
H.P.
COMP.
RATIO
CARB.
TRANS.
NR
8
400
340
10.25
4BC
MAN/AUTO
WILDCAT, ELECTRA 225, RIVIERA
ENGINE
NO.
No.
CYL
CID
H.P.
COMP.
RATIO
CARB.
TRANS.
ND
MD
NE
8
8
8
430
430
430
360
360
NA
10.25:1
10.25:1
8.75:1
4BC
4BC
4BC
MAN/AUTO
MAN/AUTO
MAN/AUTO




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