ENGINE NUMBER
Along with the VIN number, the engine block is stamped with an engine production code. The code has a prefix series of letters and number that identifies the engine and year, then a four digit numberic production sequence. On the V-8 engines, the production code is stamped on the right front of the engine block opposite the VIN number. On the V-6 engine, the number is on the front of the block below the left cylinder head gasket. |
SPECIAL & SPECIAL DELUXE
|
ENGINE
NO.
|
NO.
CYL
|
CID
|
H.P.
|
COMP.
RATIO
|
CARB.
|
TRANS.
|
JL
JZ
JM
JP
JN
|
6
6
8
8
8 |
198
198
215
215
215
|
135
135
155
145
200
|
8.8:1
8.8:1
9.0:1
7.6:1
11.0:1
|
2BC
2BC
2BC
2BC
4BC
|
MAN/AUTO
MAN/AUTO
MAN/AUTO
MAN/AUTO
MAN/AUTO
|
SKYLARK
|
ENGINE
NO.
|
NO.
CYL
|
CID
|
H.P.
|
COMP.
RATIO
|
CARB.
|
TRANS.
|
JN
|
8 |
215
|
200
|
11:1
|
4BC
|
MAN/AUTO
|
LESABRE
|
ENGINE
NO.
|
NO.
CYL
|
CID
|
H.P.
|
COMP.
RATIO
|
CARB.
|
TRANS.
|
JR
JS
JT
JU
|
8
8
8
8 |
401
401
401
401
|
280
265
325
315
|
10.25
9.0:1
10.25
8.75
|
2BC
2BC
4BC
4BC
|
MAN/AUTO
MAN/AUTO
MAN/AUTO
MAN/AUTO
|
INVICTA, ELECTRA 225 & WILDCAT
|
ENGINE
NO.
|
No.
CYL
|
CID
|
H.P.
|
COMP.
RATIO
|
CARB.
|
TRANS.
|
JT
JU
|
8
8
|
401
401
|
325
315
|
10.25:1
8.75:1
|
4BC
4BC
|
AUTO
AUTO
|
RIVIERA
|
ENGINE
NO.
|
No.
CYL
|
CID
|
H.P.
|
COMP.
RATIO
|
CARB.
|
TRANS.
|
JT
JU
JW
|
8
8
8
|
401
401
425
|
325
315
340
|
10.25:1
8.75:1
10.25:1
|
4BC
4BC
4BC
|
AUTO
AUTO
AUTO
|
|

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