PONTIAC ENGINE CODES YEAR CID H.P. MANUAL AUTOMATIC 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 --