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ENGINE CODES

 

 
1962-63  1964-65  1968-69  1970-71  1972-73  1974-75

PONTIAC

1966                       Code Prefix
6-230 9 ZK
6-230 2 ZD
6-230 9 ZS
V8-326 1 WP
V8-326 1 WX
V8-326 2 WR
V8-389 3 WV
V8-389 2 WW
V8-389 3 WS
V8-389 2 WT
V6-230 9 ZN
V6-230 2 ZE
V6-230 9 ZM
V8-326 1 YN
V8-326 2 YP
V8-326 1 XF
V8-326 2 XG
V8-389 2 XE
V8-389 3 YR
V8-389 2 YS
V8-389 1 WA
V8-389 1 WB 12
V8-389 1 WC 12
V8-389 2 WE
V8-421 2 WG
V8-421 2 WK
V8-421 3 WH
V8-421 3 WJ
V8-389 1 YA
V8-389 1 YU
V8-389 1 YC
V8-389 1 YD 7
V8-389 1 YV 7
V8-389 2 YL 12
V8-389 2 YW
V8-389 2 YE
V8-389 2 YF 7
V8-389 2 YX 7
V8-421 2 YZ 12
V8-421 2 YT
V8-421 2 YH
V8-421 3 YM 12
V8-421 3 YJ
V8-421 3 YK
 
Configuration:

1- 2 Bar. Carb           2- 4 Bar. Carb       3- Three 2 Bar. carbs

7- Air condition        9- 1 Bar. Carb       10- Taxi

11- Police , taxi       12- Police               13-  A/C Police, taxi

15-  Two 4 bar. carbs
1967                       Code Prefix
6-230 2 ZD
6-230 2 ZE
6-230 9 ZF
6-230 9 ZG
6-230 9 ZK
6-230 2 ZL
6-230 9 ZM
6-230 9 ZN
6-230 2 ZR
6-230 9 ZS
V8-326 1 WP
V8-326 2 WR
V8-326 1 WX
V8-326 1 XF
V8-326 2 XG
V8-326 2 XR
V8-326 1 YN
V8-326 2 YP
V8-400 2 WS
V8-400 2 WT
V8-400 2 WV
V8-400 2 WW
V8-400 1 XL
V8-400 1 XM
V8-400 2 XS
V8-400 2 YR
V8-400 2 YS
V8-400 2 YZ
V8-400 2 XP
V8-400 1 WA
V8-400 1 WB
V8-400 2 WD
V8-400 2 WE
V8-400 1 XB
V8-400 2 XC
V8-400 2 XH
V8-400 2 XJ
V8-400 2 XY
V8-400 2 XZ
V8-400 1 YA
V8-400 1 YB
V8-400 1 YC
V8-400 1 YD
V8-400 2 YE
V8-400 2 YF
V8-428 2 WG
V8-428 2 WJ
V8-428 2 Y3
V8-428 2 Y2
V8-428 2 XK
V8-428 2 YH
V8-428 2 YK
V8-428 2 YY
   

The engine code decoder reveals the engine displacement, plate location  and configuration.