Pontiac block codes

                                                
                                                                                     
YEAR  CID       H.P.    MANUAL TRANSMISSION  AUTOMATIC TRANSMISSION         
1959  389       215        ET,ES             ER                             
                245        D,DT              --                             
                260        F,FP              --                             
                280        --                A                              
                300        H                 B,BP                           
                315        G                 C                              
                330        AL                AK                             
                345        AN                AM                             
1960  389       215        A2,G4             E3                             
                281        B2,B4             --                             
                283        --                A1                             
                303        P4                B1,P1                          
                318        M4,C4             C1                             
                333        F4,H4             F1,J1                          
                348        --                M1                             
1961  389       215        A2,G4             --                             
                230        --                E3,E7,W3,W7                    
                235        H4,B4             --                             
                267        --                A1,T1                          
                283        --                A5,B1,P9,S1,S5                 
                303        P4                B5,P0                          
                318        C4,RC4            C0,RC0,I9,R19                  
                333        F4                U9,F0                          
                348        M4,RM4            M0,RM0,V9,RV9                  
1962  389       215        O1A,O3A           --                             
                230        --                20L,21L,40R,41R                
                235        O2B,O4B           --                             
                267        --                15B,17B                        
                287        --                35M,37M                        
                303        O6B               16K,18K,36P,38P,39N            
                318        10B               27J,49N                        
                333        O8B               25J,47N                        
                348        11B               28J,50N                        
      421       385        12U               --                             
                405        13U               --                             
1963  326       250        68X               69-0                           
                260        71X               60-0                           
                280        70X               --                             
                285        --                59-0                           
      389       215        01A,03B           --                             
                230        --                20L,21L,40R,41R                
                235        02B,04B           --                             
                267        --                15H,17H                        
                283        --                35M,37M                        
                303        06B               16K,18K,36P,38P,39N            
                313        07B,26-6          48N                            
      421       353        08B,22B           25G,34J,43N,47Q                
                370        11B               28G,50Q                        
                390        12-5              --                             
                410        13-5              --                             
 1964 326       250        92X               96-0                           
                280        94X               97-0                           
      389       230        --                04L,05L,08R,09R                
                235        22B               --                             
                267        --                11H,12H                        
                283        10A               17M,18M                        
                303        --                25K,26K,27P,28P                
                306        23B,29N           --                             
                325        78X               79J                            
                330        32B               34N,33-6                       
                348        76X               77J                            
      421       320        35B               38S,43N                        
                350        44B               47S,49N                        
                370        45B               46G,50Q                        
1965  326       250        WP                ZN                             
                285        WR                YP                             
      389       256        WA,WB             YA,YB                          
                290        WC                YC,YD                          
                325        --                YE,YF                          
                333        WE                --                             
                335        WT                YS                             
                338        WF                YG                             
                360        WS                YR                             
      421       338        WG                YH                             
                356        WH                YJ                             
                376        WJ                YK                             
1966  326       250        WP,WX             YN,XF                          
                285        WR                YP,XG                          
      389       256        WA,WB             YA                             
                290        WC                YC,YD,YU,YV                    
                325        --                YE,YF,YL,YW,YX                 
                333        WE                --                             
                335        WW,WT             YS,XE                          
                360        WS,WV,XS          YR                             
      421       338        WG                YH                             
                356        WK                YT                             
      376        WH,WJ             YM[police],YJ,YK                         
1967  326       250        WC,WH,WP,WX       YJ,YN,YO,XF, XI                
                285        WD,WK,WR,XR       YM,YP,XG,XO                    
      400       255        --                XL,XM                          
                260        --                XB                             
                265        WA,WB             YA,YB,YC,YD                    
                290        --                XU,XV                          
                293        XC                --                             
                325        WI,WU, WQ,WZ      YE,YF,YT,XE,XN,XW,XX           
                333        WD,WE,WY,XT       --                             
                335        WT,WW             YS                             
                350        XY,XZ             XH,XJ                          
                360        WR,WS,WV,XS       YZ,XP                          
      428       360        WG                Y2,YY                          
                376        WJ,XK             Y3,YH,YK                       
1968  350       265        WC,WD             YJ,YN                          
                320        WK,WR             YM,YP                          
      400       265        --                YA,XM                          
                290        WA,WB             YC                             
                330        --                YW,YT                          
                335        WI,WQ,WZ          XN                             
                340        WU                XT                             
                350        XZ                YS,YZ,XH                       
                360        WS,WT,XS          XP                             
                366        WY                XW                             
      428       375        WG                YH                             
                390        WJ                YK                             
1969  350       265        WC,WM,WP,WU       YE,YJ,YN,XB,XL,XR,XS,UY        
                325        WK,WN             XC,XD                          
                330        WR,WV             YP,XT,XU                       
      400       265        --                YB,YF,YZ,XM,XX                 
                290        WA,WB,WD,WE       YC,YD                          
                330        WZ                YT                             
                335        WQ                YW                             
                340        --                XZ                             
                345        WH                XN                             
                350        WT,WX             YS,XH                          
                366        WS                YZ                             
                370        WW                XP                             
      RAV 400   375        WI,WY             XW,XY                          
      428       360        WG                YH,YL,XE,XJ                    
                370        WF                XF                             
                390        WJ,WL             YK,XG                          
1970  350       255        W7,WU             YU,X7                          
      400       265        --                YB,XX                          
                290        WE                YD                             
                330        --                XV,XZ                          
                350        WT,WX             YS,XH                          
                366        WS                YZ                             
                370        WH,WW             XN,XP                          
      455       360        WA                YC,YH                          
                370        WG                XF                             
1971  350       250        WN,WP,WR,WU       YN,YP,YU,XR                    
      400       265        WS,WX             YX,XX                          
                300        WK,WT             YS                             
      455       280        WG                YG                             
                325        WJ                YC                             
                335        WC,WL             YE                             
1972  350       160        WR                YR,YU,YV                       
      400       200        --                YX,YZ,ZR,ZV,ZX                 
                250        WK,WS             YS,YT,ZS                       
      455       185        --                YH,YW                          
                200        --                ZH                             
                220        --                Y4,YA,YC                       
                250        --                YD,YK                          
                300        WD,WM             YB,YE                          
1973  350       150/175E   XR,XV             YL,YR,YV,Y2,Y7,ZR,ZV           
                150/175L   ZB,ZD             WA,WC,WD,WF,WL,WN,XZ           
      400       170/185E   --                Y1,Y4,YP,YX,YZ,ZK,ZX           
                170/185L   W5                X1,X3,X4,XH                    
                200/230E   WK,WP,WS          Y3,YN,YT,YX,YY,ZN,ZS           
                200/230L   --                Y6,YF,YG,X5,XK,XN,XX,XZ        
      455       215/250E   WT,WW             AC,YA,YC,YD,YK,ZA              
                215/250L   ZE,ZZ             YE,X7,XA,XE,XJ,XL,XO,XT,XY     
                290        ZJ                XD                             
                310        Z8                X8                             
1974  350       155/170    WA,WB             AA,YA,YB,YC,YN,YP,YS,ZA,ZB     
                170/200    WN,WP             YN,YP,YS,ZP                    
      400       175/190E   --                AH,YH,YJ,ZH,ZJ                 
                175/190L   --                AD,YF,YK,ZD,ZK                 
                200/225E   WT                AT,YT,YZ,ZT                    
                200/225L   Y3,WR             AD,YL,YM,ZS                    
      455       215/250E   --                AU,YR,YU,YW,YX,YY,ZU,ZW,ZX     
                215/250L   --                A4,Y4,Y6,Y9,Z4,Z6              
                290        W8                Y8                             
1975  350       155        --                YA,YB                          
                175        WN                YN,ZP                          
      400       175        --                YH                             
                210        WT                YS,YM,YT,ZT                    
      455       215        WX                YU,YW,ZU,ZW                    
1976  350       160E       --                YA,YB,YP,YR                    
                160L       --                X3,XM,XP,XR,XU,XW,XX,ZF,ZH     
                165        --                ZC,ZX                          
      400       170E       --                YC,YJ                          
                170L       --                X4,X8,X9,XS,XT,XY,XZ           
                185E       WT,WU             Y6,Y7,YS,YT,YY,YZ,ZA,ZK        
                185L       WY                X6,X7,ZJ,ZL                    
      455       200        WX                Y3,Y4,Y8,Z3,Z4,Z6              
1977  350       170        --                Y9,YA,YB,XB,XC                 
      400       180        --                Y4,Y7,YG,YU,XA,XD,XF,XH,XJ,XK  
                200        WA                Y6                             
1978  400       180        --           YA,YH,YJ,YK,YR,YS,YT,YU,YW,X9,XJ,XK 
                220        WC                X7                             
1979  400       220        WH                --