ENGINE SERIES NUMBER AND SUFFIX CHART Cont A Tyne Desig RPO Model Description nation No L60 292 6 Cyl with Air Equip MU STD C60 S60 M6U 292 6 Cyl P STD L60 292 6 Cyl PB STD T60 292 6 Cyl PC STD C60 M60 S67 292 6 Cyl with Air Equip PE STD L60 292 6 Cyl with Air Equip PF STD C50 S50 292 6 Cyl PL L25 L50 292 6 Cyl PM L25 C60 S60 292 6 Cyl with Powermatic PQ STD C60 S67 292 6 Cyl with Powermatic and Air Equip PR STD L50 283 8 Cyl MD l32 C50 283 8 Cyl ME L32 C50 283 8 Cyl MM L32 L50 283 8 Cyl MN l32 C60 S60 M60 3Z7 8 Cyl U L30 L60 327 8 Cyl UA L30 T60 327 8 Cyl UB L30 C60 S60 327 8 Cyl with Powermatic UD L30 C60 M60 67 69 327 8 Cyl with Air Equip UE L30 L60 327 8 Cyl with Air Equip UF L30 C60 67 69 3Z7 8 Cyl with Powermatic and Air Equip Ul L30 S60 327 8 Cyl UN L30 560 327 8 Cyl with Powermatic UR L30 S67 69 327 8 Cyl with Air Brake UP L30 S67 69 327 8 Cyl with Powermatic anq Air Brake UO L30 C60 L60 S60 T60 327 8 Cyl Service only universal type XD STD T60 RPO B9 T80 348 8 Cyl TC STD C60 S60 C80 M80 348 8 Cyl with Powermatic TD STD T80 348 8 Cyl with Powermatic TE STD C60 L60 M60 S60 RPO L39l C80 L80 M80 348 8 Cyl TF STD C80 L80 M80 409 8 Cyl OD L40 T80 409 8 Cyl OE L40 C80 M80 409 8 Cyl with Powermatic QJ L40 D60 4 53 Diesel with 5 Speed 4D STD E80 U80 W80 6 53 Diesel with 5 Speed 6D STD I 965 C50 S50 230 6 Cyl TM STD L50 P50 230 6 Cyl TO STD T50 230 6 Cyl TP STD C50 S50 230 6 Cyl with 4 Speed H D TR STD L50 230 6 Cyl with 4 Speed H D TS STD C50 S50 292 6 Cyl UY L25 T50 202 6 Cyl UX L25 C50 S50 292 6 Cyl with 4 Speed H D UZ L25 l 50 292 6 Cyl with 4 Speed H D VA t25 L50 283 8 Cyl WI L32 C50 283 8 Cyl WJ L32 T50 283 8 Cyl WK L32 C50 283 8 Cyl with 4 Speed H D WN L32 L50 283 8 Cyl with 4 Speed H D WO L32 C60 M60 S60 292 6 Cyl UA STD L60 292 6 Cyl UC STD T60 292 6 Cyl UD STD C60 M60 S60 292 6 Cyl with Air Equip UF STD L60 292 6 Cyl with Air Equip UG STD C60 S60 292 6 Cyl with Powermatic UJ STD C60 S60 292 6 Cyl with Powermatic and Air Equip UK STD C60 M60 S60 292 6 Cyl UL STD T60 292 6 Cyl UM STD L60 292 6 Cyl UN STD L60 292 6 Cyl with Air Brake UO STD C60 M60 S60 292 6 Cyl with Air Brake UP STD C60 S60 M60 327 8 Cyl YA L30 L60 327 8 Cyl YB L30 T60 327 8 Cyl YC l30 C60 M60 S60 327 8 Cyl with Air Equip YE L30 L60 327 8 Cyl with Air Equip YF L30 C60 S60 327 8 Cyl with Powermatic YG L30 C60 S60 327 8 Cyl with Powermatic and Air Equip YH L30 L 197O CHEVROLET MOTOR DIVISION GENERAL MOTORS CORPORATlONYP A 31S 27