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ENGINE CODES

 
 

PONTIAC

 
1970
Code Prefix
1971
Code Prefix
6-250 CG 6-250 ZB
6-250 RF 6-250 ZG
6-250 ZB 6-250 CAA
6-250 ZG 6-250 CAB
V8-350
1
WZ V8-307
1
CCA
V8-350
1
XZ V8-307
1
CCC
V8-350
1
WU V8-350
1
WN
V8-350
1
YU V8-350
1
YP
V8-400
1
WE V8-350
1
WP
V8-400
1
YB V8-350
1
YN
V8-400
1
YD V8-350
1
WR
V8-400
2
XZ V8-350
1
WU
V8-400
2
XV V8-350
1
YU
V8-400
2
YZ V8-400
1
YX
V8-400
1
XX V8-400
1
WX
V8-400
2
XP V8-350
1
XR
V8-400
2
WS V8-400
2
WT
V8-400
2
WW V8-400
2
WK
V8-400
2
WT V8-400
1
WS
V8-400
2
WS V8-400
1
XX
V8-400
2
XH V8-400
2
YS
V8-400
1
YB V8-455
2
WL
V8-400
2
WX V8-455
2
WC
V8-400
2
YS V8-455
2
WJ
V8-400
2
WH V8-455
2
YC
V8-400
2
XN V8-455
1
WG
V8-455
2
WG V8-455
1
YG
V8-455
2
YH V8-455
2
YE
V8-455
2
XF V8-455
2
YA
V8-455
2
WA    
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

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