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ENGINE CODES

  
 

OLDSMOBILE

 
1962                       Code Prefix
1963                      Code Prefix
V8-215 S V8-215 S
V8-394 2 Bar. Carb F V8-394 2 Bar. Carb H
V8-350 4 Bar. Carb G V8-350 4 Bar. Carb J
   
1964
1965
V6-225 KH V6-225 LH
V8-330 T V8-330 U
V8-394 H V8-400 W
V8-425 2 Bar. Carb M
V8-425 4 Bar. Carb N
   
1966
6-250 F OR T
V8-330 V OR X
V8-400 V
V8-425 2 Bar. Carb M
V8-425 4 Bar. Carb M
V8-425 Toronado T
 
1967
6-250 F
V8-330, F85 W
442, V8-400 V
V8-330,Delmont 88 X
V8-425 2 Bar. Carb P
V8-425 4 Bar. Carb R
Toronado (Suffix T ) R
1968
6-250 VA-B-E-F
V8-350 2 Bar. Carb TB-D-L
V8-350 4 Bar. Carb TN
V8-350 2 Bar. Carb QA-B-I-J
V8-350 4 Bar. Carb QN-P-V-X
V8-400 2 Bar. Carb QH
V8-400 4 Bar. Carb QR-S-T-U-W
V8-455 2 Bar. Carb VA-B-C-D-J
V8-455 4 Bar. Carb UN-O
V8-455 Toronado US-T-W-V
 
 
1970
6-250 VB-F
V8-350 2 Bar. Carb QI-A-J
V8-350 4 Bar. Carb QV-N-P
V8-350 2 Bar. Carb TL-D-C
V8-350 4 Bar. Carb QX-D
V8-455 2 Bar. Carb UJ-C-D
V8-350 2 Bar. Carb TY-X
V8-455 4 Bar. Carb TU-W-V
V8-455 4 Bar. Carb TQ-P
V8-455 4 Bar. Carb UN-O
V8-455 4 Bar. Carb TS-T
V8-455 4 Bar. Carb UL
V8-455 4 Bar. Carb US-T-W-V
   
 
1972

V8-350 2 Bar. Carb QA-B-C
V8-350 2 Bar. Carb QN-O
V8-350 4 Bar. Carb QD-E
V8-350 4 Bar. Carb QJ-K-P-Q
V8-455 UA-B-S-T
V8-455 UL-N-O
V8-455 UD-E-U-V
 
 
1974
6-250 Std Tran CCC, CCD
6-250 Auto Tran CCA, CCB
V8-350 2 Bar. Carb QS, QT
V8-350 4 Bar. Carb QB, QC, QL
V8-350 4 Bar. Carb QO, QU, QW
V8-350 4 Bar. Carb TB,TC,TL,TO
V8-455 2 Bar. Carb UU, UW
V8-455 4 Bar. Carb UA, UB, UC
V8-455 4 Bar. Carb UD, UL, UO
V8-455 4 Bar. Carb UP, UN, UR
V8-455 4 Bar. Carb UV, UX, VP
V8-455 4 Bar. Carb VA, VB, VC
V8-455 4 Bar. Carb VD, VL, VO
   
1- Except CA

2- CA

1965 V6-225 - Right cyl block deck face.

1965-67 V8-330, 425 - machined pad at front of 
 right cyl head. 

1966-71 & 73 6-250 - Rightside of block rear of the 
distributor.

1968-75 - Stamped on the oil fill tube.

1975 - Omega V8-350 on left blank cylinder head
1969
6-250 VA-B-E-F
V8-350 2 Bar. Carb QI-A-B
V8-350 4 Bar. Carb QV-N-P
V8-350 2 Bar. Carb TL-B-D

V8-350 4 Bar. Carb

QX
V8-400 2 Bar. Carb QW-R-S
V8-400 4 Bar. Carb QU-T
V8-455 2 Bar. Carb UJ-C-D
V8-455 4 Bar. Carb UN-O
V8-455 4 Bar. Carb UL
V8-455 4 Bar. Carb US-T-V
V8-455 4 Bar. Carb UW
   
 
1971
6-250 VB-F
V8-350 2 Bar. Carb QI-A-J
V8-350 4 Bar. Carb QB-O-N-P
V8-350 2 Bar. Carb TE-D-C
V8-455 2 Bar. Carb UC-D-E
V8-455 4 Bar. Carb TQ-P
V8-455 4 Bar. Carb TU-N
V8-455 4 Bar. Carb TS-B-T-L
V8-455 4 Bar. Carb TW-V-A
V8-455 4 Bar. Carb UN-O-S-T
 
 
 
1973
6-250 Std Tran CCC, CCD
6-250 Auto Tran CCA, CCB
V8-350 2 Bar. Carb QS, T, P
V8-350 2 Bar. Carb QN, O, P
V8-350 4 Bar. Carb QA, B, J, K
V8-350 4 Bar. Carb QU, V
V8-350 4 Bar. Carb QD, E, L
V8-455 UD, B
V8-455 UA, S, T
V8-455 UU, V
 
1975
6-250 Std Tran 1 CJU
6-250 Auto Tran 1 CJT
6-250 Auto Tran 1 CJL
V8-260 Std Tran 1 QA, QK
V8-260 Std Tran A/C 1 QD, QN
V8-260 Std Tran 2 TA, TK
V8-260 Std Tran A/C 2 TD, TN
V8-260 Auto Tran 1 QE, QP
V8-260 Auto Tran A/C 1 QJ, QQ
V8-260 Auto Tran 2 TE, TP
V8-260 Auto Tran A/C 2 TJ, TQ
V8-350 Auto Tran 1 RW,QL
V8-350 Auto Tran A/C 1 RX, QO, QX
V8-350 Auto Tran 2 RN, TL
V8-350 Auto Tran A/C 2 RO, TO, TX
V8-400 Auto Tran 1 YM, YT
V8-455 Auto Tran 1 UB, UE, UP
V8-455 Auto Tran A/C 1 UC, UD, UP
V8-455 Auto Tran 2 VB, VE, VP
V8-455 Auto Tran A/C 2 VC, VD, VP