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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 front of the engine block.
SPECIAL, SPECIAL DELUXE & SKYLARK
ENGINE
NO.
NO.
CYL
CID
H.P.
COMP.
RATIO
CARB.
TRANS.
LH
LJ
LL
LM
LP
6
6
8
8
8
225
225
300
300
300
155
NA
210
NA
250
9.0:1
7.6:1
9.0:1
8.75:1
10.25:1
1BC
1BC
2BC
2BC
4BC
MAN/AUTO
MAN/AUTO
MAN/AUTO
MAN/AUTO
MAN/AUTO
SPORTWAGON & LESABRE
ENGINE
NO.
NO.
CYL
CID
H.P.
COMP.
RATIO
CARB.
TRANS.
LL
LM
LP
8
8
8
300
300
300
210
NA
250
9.0:1
8.75:1
10.25:1
2BC
2BC
4BC
MAN/AUTO
MAN/AUTO
MAN/AUTO
SKYLARK GRAN SPORT
ENGINE
NO.
NO.
CYL
CID
H.P.
COMP.
RATIO
CARB.
TRANS.
LR
-
8
8
400
400
325
NA
10.25
8.75:1
4BC
4BC
MAN/AUTO
MAN/AUTO
WILDCAT
ENGINE
NO.
No.
CYL
CID
H.P.
COMP.
RATIO
CARB.
TRANS.
LT
LV
LW
LX
8
8
8
8
401
401
425
425
325
NA
340
360
10.25:1
10.25:1
8.75:1
10.25:1
4BC
4BC
4BC
2X4BC
MAN/AUTO
MAN/AUTO
MAN/AUTO
MAN/AUTO
ELECTRA & RIVIERA
ENGINE
NO.
No.
CYL
CID
H.P.
COMP.
RATIO
CARB.
TRANS.
LT
LV
LW
LX
8
8
8
8
401
401
425
425
325
NA
340
360
10.25:1
10.25:1
8.75:1
10.25:1
4BC
4BC
4BC
2X4BC
AUTO
AUTO
AUTO
AUTO




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