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