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ENGINE CODES

 

PONTIAC

1970                      Code Prefix
6-250 CG
6-250 RF
6-250 ZB
6-250 ZG
V8-350 1 WZ
V8-350 1 XZ
V8-350 1 WU
V8-350 1 YU
V8-400 1 WE
V8-400 1 YB
V8-400 1 YD
V8-400 2 XZ
V8-400 2 XV
V8-400 2 YZ
V8-400 1 XX
V8-400 2 XP
V8-400 2 WS
V8-400 2 WW
V8-400 2 WT
V8-400 2 WS
V8-400 2 XH
V8-400 1 YB
V8-400 2 WX
V8-400 2 YS
V8-400 2 WH
V8-400 2 XN
V8-455 2 WG
V8-455 2 YH
V8-455 2 XF
V8-455 2 WA
V8-455 2 YA
 
 
1971                      Code Prefix
6-250 ZB
6-250 ZG
6-250 CAA
6-250 CAB
V8-307 1 CCA
V8-307 1 CCC
V8-350 1 WN
V8-350 1 YP
V8-350 1 WP
V8-350 1 YN
V8-350 1 WR
V8-350 1 WU
V8-350 1 YU
V8-400 1 YX
V8-400 1 WX
V8-350 1 XR
V8-400 2 WT
V8-400 2 WK
V8-400 1 WS
V8-400 1 XX
V8-400 2 YS
V8-455 2 WL
V8-455 2 WC
V8-455 2 WJ
V8-455 2 YC
V8-455 1 WG
V8-455 1 YG
V8-455 2 YE
V8-455 2 YA
   
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
      1962-63      1964-65      1966-67      1968-69      1972-73      1974-75
The engine codes decoder reveals the code prefix, engine performance, displacement, and configuration.