1960-75 Oldsmobile Engine Codes







ENGINE CODES


OLDSMOBILE

1960	Code Prefix	1961	Code Prefix 3
8-371 240hp, 8.75:1, 2brl	C	8-215 155hp, 8.75:1, 2brl	S
8-371 7.9:1, 2brl	CE	8-215 185hp, 10.25:1, 4brl	S Cutlass
8-371 260hp, 9.75:1, 4brl	CH	8-394 250hp, 8.5:1, 2brl	F
8-394 315hp, 9.75:1, 4brl	D	8-394 275hp, 10:1, 2brl	G
8-394 260hp, 7.8:1, 4brl	DE	8-394 325hp, 10:1, 4brl	G
		8-394 330hp, 10.25:1, 4brl	G

1962 3		1963
V8-215 155hp, 8.75:1, 2brl	S	V8-215 155hp, 8.75:1, 2brl	S
V8-215 8.25:1, 2brl	SE	V8-215 8.25:1, 2brl	SE
V8-215 185hp, 10.25:1, 4brl	SG	V8-215 185hp, 10.25:1, 4brl, M/T	SG
V8-215 8.5:1, 4brl	SH	V8-215 195hp, 10.75:1, 4brl, A/T	SG
V8-215 215hp, 10.25:1, T/C	ST	V8-215 8.5:1, 4brl	SH
V8-350 330hp, 10.25:1, 4brl	G	V8-215 215hp, 10.25:1, T/C	ST
V8-350 8.3:1, 4brl	GE	V8-394 280hp, 10.25:1, 2brl	H
V8-350 345hp, 10.5:1, 4brl	GS	V8-394 8.3:1, 2brl	HE
V8-394 280hp, 10.25:1, 2brl	F	V8-394 260hp, 8.75:1, 2brl	HL
V8-394 8.3:1, 2brl	FE	V8-394 330hp, 10.25:1, 4brl	J
V8-394 260hp, 10.25:1, 4brl	FL	V8-394 8.3:1, 2brl	JE
		V8-394 345hp, 10.5:1, 2brl	JS

1964 4		1965
V6-225 155hp, 9:1, 1brl	KH	V6-225 155hp, 9:1, 1brl	LH
V6-225 8.3:1, 1brl	KJ	V6-225 7.6:1, 1brl	LJ
V8-330 230hp, 8.75:1, 2brl	T	V8-330 250hp, 9:1, 2brl	T
V8-330 8.3:1, 2brl	TE	V8-330 2brl	TE
V8-330 290hp, 10.25:1, 4brl	TG	V8-330 315hp, 10.25:1, 4brl	TG
V8-330 8.3:1, 4brl	TH	V8-330 8.3:1, 4brl	TH
V8-330 310hp, 10.25:1, 4brl	* 442	V8-330 260hp, 10.25:1, 2brl	U
V8-394 280hp, 10.25:1, 2brl	H	V8-330 8.3:1, 2brl	UE
V8-394 8.3:1, 2brl	HE	V8-330 315hp, 10.25:1, 4brl	UG
V8-394 260hp, 8.75:1, 2brl	HL	V8-330 8.3:1, 4brl	UH
V8-394 330hp, 10.25:1, 4brl	J	V8-400 345hp, 10.25:1, 4brl	V* 442
V8-394 8.3:1, 2brl	JE	V8-425 310hp, 10.25:1, 2brl	M
V8-394 345hp, 10.5:1, 2brl	JS	V8-425 8.3:1, 2brl	ME
		V8-425 300hp, 9:1, 2brl	ML
		V8-425 360hp, 10.25:1, 4brl	N
		V8-425 8.3:1, 4brl	NE
		V8-425 370hp, 10.5:1, 4brl	NS

1966		1967
6-250 155hp, 8.5:1, 1brl, M/T	VA,VB,VC,VD	6-250 155hp, 8.5:1, 1brl	FVA,FVB,FVC,FVD
6-250 155hp, 8.5:1, 1brl, A/T	VE,VF,VG	6-250 155hp, 8.5:1, 1brl	FVE,FVF,FVG,FVH
6-250 7.25:1, 1brl, M/T	VJ	6-250 7.25:1, 1brl, M/T	VJ
6-250 7.25:1, 1brl, A/T	VK	V8-330 260hp, 10.25:1, 2brl	W
V8-330 250hp, 9:1, 2brl	W	V8-330 250hp, 9:1, 2brl	WE
V8-330 8.3:1, 2brl	WE	V8-330 260hp, 10.25:1, 2brl	X
V8-330 320hp, 10.25:1, 4brl	WG	V8-330 250hp, 9:1, 2brl	XE
V8-330 8.3:1, 4brl	WH	V8-330 320hp, 10.25:1, 4brl	XG
V8-330 310hp, 9:1, 4brl	WL	V8-350 320hp, 10.25:1, 4brl	WG
V8-330 260hp, 10:1, 2brl	X	V8-350 320hp, 8.3:1, 4brl	WH
V8-330 8.3:1, 2brl	XE	V8-400 300hp, 10.5:1, 2brl	V
V8-330 320hp, 10.25:1, 4brl	XG	V8-400 350hp, 10.25:1, 4brl	VG
V8-330 8.3:1, 4brl	XH	V8-400 360hp, 10.25:1, 3-2brl	*
V8-330 250hp, 9:1, 2brl	XL	V8-425 310hp, 10.25:1, 2brl	P
V8-400 350hp, 10.25:1, 4brl	V	V8-425 8.3:1, 2brl	PE
V8-400 360hp, 10.25:1, 3-2brl	V	V8-425 300hp, 9:1, 2brl	PL
V8-425 310hp, 10.25:1, 2brl	M	V8-425 365hp, 10.25:1, 4brl	R
V8-425 8.3:1, 2brl	ME	V8-425 8.3:1, 4brl	RE
V8-425 300hp, 9:1, 2brl	ML	V8-425 375hp, 10.5:1, 4brl	RS
V8-425 365hp, 10.25:1, 4brl	N	V8-425 385hp, 10.5:1, 4brl	RT Toronado
V8-425 8.3:1, 4brl	NE
V8-425 375hp, 10.5:1, 4brl	NS
V8-425 385hp, 10.5:1, 4brl	NT Toronado

1968		1969
6-250 155hp, 8.5:1, 1brl, M/T	VA,VB	6-250 155hp, 8.5:1, 1brl, M/T	VA,VB
6-250 155hp, 8.5:1, 1brl, A/T	VE,VF	6-250 7.25:1, 1brl, M/T	VD,VJ
V8-350 250hp, 9:1, 2brl, A/T	QA,QB	6-250 155hp, 8.5:1, 1brl, A/T	VE,VF
V8-350 250hp, 9:1, 2brl, M/T	QI,QJ	6-250 7.25:1, 1brl, A/T	VK,VL
V8-350 310hp, 10.25:1, 4brl, A/T	QN,QP	V8-350 250hp, 9:1, 2brl, A/T	QA,QB
V8-350 310hp, 10.25:1, 4brl, M/T	QV,QX	V8-350 250hp, 9:1, 2brl, M/T	QI
V8-350 250hp,9:1, 2brl, A/T	TB,TD	V8-350 250hp, 9:1, 2brl, A/T	QJ Cutlass
V8-350 250hp,9:1, 2brl, M/T	TL	V8-350 310hp, 10.25:1, 4brl, A/T	QN,QP
V8-350 310hp,10.25:1, 4brl, A/T	TN	V8-350 310hp, 10.25:1, 4brl, M/T	QV
V8-400 290hp,9:1, 2brl, A/T	QL	V8-350 325hp, 10.5:1, 4brl, M/T	QX W-31
V8-400 325hp, 10.5:1, 4brl, A/T	QR,QS,QT	V8-350 250hp, 9:1, 2brl, A/T	TB,TC,TD
V8-400 350hp, 10.5:1, 4brl, M/T	QW,QU	V8-350 250hp, 9:1, 2brl, M/T	TL
V8-400 360hp, 10.5:1, 4brl	* W-30	V8-400 325hp, 10.25:1, 4brl, A/T	QR,QS
V8-455 320hp, 10.25:1, 4brl, A/T	UA,UB	V8-400 360hp, 10.5:1, 4brl, A/T	QT W-30
V8-455 310hp, 9:1, 2brl, A/T	UC,UD	V8-400 360hp, 10.5:1, 4brl, M/T	QU W-30
V8-455 310hp, 9:1, 2brl, M/T	UJ	V8-400 350hp, 10.5:1, 4brl, M/T	QW
V8-455 365hp, 9:1, 4brl, A/T	UN,UO	V8-455 310hp, 9:1, 2brl, A/T	UC,UD
V8-455 375hp, 10.25:1, 2brl, A/T	US,UT	V8-455 310hp, 9:1, 2brl, M/T	UJ
V8-455 375hp, 10.25:1, 4brl, A/T	UV,UW	V8-455 390hp, 10.25:1, 4brl, A/T	UL
V8-455 400hp, 10.25:1, 4brl, A/T	* Toronado	V8-455 365hp, 10.25:1, 4brl, A/T	UN,UO
V8-455 390hp, 10.5:1, 4brl	Hurst/olds	V8-455 375hp, 10.25:1, 2brl, A/T	US,UT,UV
		V8-455 400hp, 10.25:1, 4brl, A/T	UW
		V8-455 380hp, 10.1:1, 4brl	Hurst/olds

1970		1971
6-250 155hp, 8.5:1, 1brl	VB,VF	6-250 145hp, 8:1, 1brl	VB,VF
V8-350 250hp, 9:1, 2brl	QA,QI,QJ	6-250 145hp, 8.5:1, 1brl	ZB,ZG
V8-350 250hp, 9:1, 2brl	TC,TD,TL	V8-350 240hp, 8:5:1, 2brl, A/T	QA,QJ,TC,TD
V8-350 310hp,10.25:1, 4brl	QN,QP,QV	V8-350 240hp, 8:5:1, 2brl, 4spd	QI,TE
V8-350 325hp,10.5:1, 4brl	QD,QX	V8-350 260hp, 8:5:1, 4brl, A/T	QN,QP
V8-455 310hp, 9:1, 2brl	UC,UD,UJ	V8-350 260hp, 8:5:1, 4brl, 4spd	QB,QO
V8-455 320hp, 10.25:1, 2brl	TX,TY	V8-455 280hp, 8.5:1, 2brl, A/T	UC,UD,TY,TX
V8-455 365hp, 10.5:1, 4brl	TP,TQ,TU,TV	V8-455 280hp, 8.5:1, 2brl, 4spd	UE
V8-455 365hp, 10.5:1, 4brl	TW,UN,UO	V8-455 320hp, 8.5:1, 4brl, A/T	TA,TQ,TP
V8-455 370hp, 10.5:1, 4brl	TS,TT	V8-455 320hp, 8.5:1, 4brl, A/T	TV,TW,UN,UO
V8-455 390hp, 10.25:1, 4brl	UL	V8-455 320hp, 8.5:1, 4brl, 4spd	TU,TN
V8-455 375hp, 10.25:1, 4brl	US,UT	V8-455 350hp, 8.5:1, 4brl, A/T	US,UT
V8-455 400hp, 10.25:1, 4brl	UV,UW	V8-455 340hp, 8.5:1, 4brl, 4spd	TB,TS
		V8-455 340hp, 8.5:1, 4brl, A/T	TL,TT

1972		1973
V8-350 160hp, 8.5:1, 2brl, M/T	QA	6-250 100hp, 8.2:1, 1brl, A/T	CCA, CCB
V8-350 175hp, 8.5:1, 2brl, A/T	QB,QC,QN	6-250 100hp, 8.2:1, 1brl, M/T	CCC, CCD
V8-350 180hp, 8.5:1, 4brl, M/T	QD,QE	V8-350 160hp, 8.5:1, 2brl, A/T	QN,QO,QP
V8-350 180hp, 8.5:1, 4brl, A/T	QJ,QK,QP	V8-350 160hp, 8.5:1, 2brl, A/T	QQ,QS,QT
V8-350 200hp, 8.5:1, 4brl		V8-350 180hp, 8.5:1, 4brl, A/T	QA,QB,QJ
V8-455 250hp, 8.5:1, 4brl		V8-350 180hp, 8.5:1, 4brl, A/T	QK,QU,QV
V8-455 270hp, 8.5:1, 4brl, M/T	UD,UE	V8-350 180hp, 8.5:1, 4brl, M/T	QC,QD,QE,QL
V8-455 270hp, 8.5:1, 4brl, A/T	UA,UB	V8-455 225hp, 8.5:1, 4brl, A/T	UA,UB,US
V8-455 225hp, 8.5:1, 4brl, A/T	US,UT	V8-455 225hp, 8.5:1, 4brl, A/T	UT,UU,UV
V8-455 265hp, 8.5:1, 4brl, A/T	UU,UV	V8-455 225hp, 8.5:1, 4brl, M/T	UD
V8-455 300hp, 8.5:1, 4brl, M/T	UL,UN	V8-455 250hp, 8.5:1, 4brl
V8-455 300hp, 8.5:1, 4brl, A/T	UO	V8-455 270hp, 8.5:1, 4brl,M/T

1974		1975
6-250 100hp, 8.2:1, 1brl, M/T	CCA, CCB	6-250 105hp, 8.2:1, 1brl, M/T, 1	CJU
6-250 100hp, 8.2:1, 1brl, A/T	CCC, CCD	6-250 105hp, 8.2:1, 1brl, A/T, 1	CJT,CJL
V8-350 180hp, 8.5:1, 4brl, A/T	QB,QC,QL	6-231 110hp, 8:1, 2brl, M/T , 1	FP
V8-350 180hp, 8.5:1, 4brl, A/T	QO,QU,QW	6-231 110hp, 8:1, 2brl, A/T , 1	FR,FS
V8-350 180hp, 8.5:1, 4brl, M/T	TB,TC,TL,TO	V8-260 110hp, 8.5:1, 2brl, M/T, 1	QA,QK
V8-350 200hp, 8.5:1, 4brl		V8-260 110hp, 8.5:1, 2brl	QB,QC
V8-455 210hp, 8.5:1, 4brl, A/T	VA,VB,VC,VD	V8-260 110hp, 8.5:1, 2brl, M/T A/C, 1	QD, QN
V8-455 210hp, 8.5:1, 4brl, A/T	VL,VO,VP,UA	V8-260 110hp, 8.5:1, 2brl, M/T, 2	TA, TK
V8-455 210hp, 8.5:1, 4brl, A/T	UB,UC,UD,UL	V8-260 110hp, 8.5:1, 2brl, M/T, A/C, 2	TD, TN
V8-455 210hp, 8.5:1, 4brl, A/T	UN,UP,UR	V8-260 110hp, 8.5:1, 2brl,A/T, 1	QE, QP
V8-455 210hp, 8.5:1, 4brl, A/T	UO,UV,UX	V8-260 110hp, 8.5:1, 2brl,A/T A/C, 1	QJ, QQ
V8-455 230hp, 8.5:1, 4brl		V8-260 110hp, 8.5:1, 2brl,A/T, 2	TE, TP
V8-455 270hp, 8.5:1, 4brl		V8-260 110hp, 8.5:1, 2brl,A/T, A/C, 2	TJ, TQ
1- Except CA 2- CA 1965 V6-225 - Right cyl block deck face. 3- 1961-62: no suffix code= Standard engine. E,H suffix= Export. H= hi comp L=low comp F85 series. G= 4brl 4- 1964: K=Year. H=Std comp. J=Low comp 1965-67 V8-330, 425 - machined pad at front of right cyl head. 1966-71 & 73 6-250 - Right side of block rear of the distributor. 1968-75 - Stamped on the oil fill tube. 1975 - Omega V8-350 on left blank cylinder head T/C= Turbocharged A/C- Air condition A/T - Auto trans M/T - Manual trans		V8-350 165hp, 8.0:1, 4brl	Q2,Q3,Q4
		V8-350 165hp, 8.0:1, 4brl	Q5,PA,PB
		V8-350 165hp, 8:1, 4brl, A/T, 1	RW,QL
		V8-350 165hp, 8:1, 4brl, A/T, A/C, 1	RX, QO, QX
		V8-350 165hp, 8.0:1, 4brl, A/T, 2	RN, TL
		V8-350 165hp, 8:1, 4brl, A/T, A/C, 2	RO, TO, TX
		V8-350 145hp, 8.1:1, 2brl	RS,RT
		V8-350 170hp, 8.5:1, 4brl
		V8-400 170hp, 8:1, 2brl	YH,YJ
		V8-400 175hp, 8.5:1, 4brl
		V8-400 190hp, 7.6:1, 4brl, A/T, 1	YM, YT
		V8-455 190hp, 8.5:1, 4brl, A/T, 1	UB, UE, UP
		V8-455 190hp, 8.5:1, 4brl, A/T, A/C, 1	UC, UD, UP
		V8-455 190hp, 8.5:1, 4brl, A/T, 2	VB, VE, VP
		V8-455 190hp, 8.5:1, 4brl, A/T, A/C, 2	VC, VD, VP
		V8-455 215hp, 8.5:1, 4brl


The engine code decoder reveals the stamp location, engine displacement, horse power, compression ratio, and Carburetor configuration.

ENGINE CODES

OLDSMOBILE