ENGINE SERIES NUMBER AND SUFFIX CHART Corvair engine number stamped on top of engine block forward of generator oil filter adapter Chevy ll engine number stamped on pad on right hand side of cylinder block at rear of distributor EXAMPLE T0430 Z T 04 30 Z Manufacturing Plant Month Day Transmission Tonawanda April Thirtieth Powerglide Typ Model Description Designation I960 62 CORVAIR 5 7 900 exc STA WAG 6 cylinder with Manual Trans YC 5 7 900 exc STA WAG 6 cylinder with Manual Trans and High Performance YN 5 735 6 cylinder with Manual Trans YH 5 7 900 exc STA WAG 6 cylinder with Manual Trans and C A C YL 5 7 900 exc STA WAG 6 cylinder with Manual Trans C A C and High Performance YM 5 735 6 cylinder with Manual Trans and High Performance YQ 927 967 6 cylinder Turbo Charged with 4 SPD YR 5 700 exc STA WAG 6 cylinder with Automatic Trans Z 5 735 6 cylinder with Automatic Trans ZB 5 700 exc STA WAG 6 cylinder with Automatic Trans and C A C ZD 5 7 900 exc STA WAG 6 cylinder with Automatic Trans and High Performance ZF 5 7 900 exc STA WAG 6 cylinder with Automatic Trans C A C and High Performance ZG 900 ex STA WAG 6 cylinder with Automatic Trans ZH 900 exc STA WAG 6 cylinder with Automatic Trans and C A C ZJ 5 735 6 cylinder with Automatic Trans A and High Performance ZK 935 6 cylinder with Automatic Trans ZL F C 6 cylinder with Manual Trans V l C 6 cylinder with Automatic Trans W 1962 63 CHEVY l 300 4 cylinder with Manual Trans E l 300 4 cylinder with Manual Trans and H D Clutch EB l 300 4 cylinder with Powerglide EG 2 400 6 cylinder with Manual Trans H 2 400 6 cylinder with Manual Trans and H D Clutch HB 2 400 6 cylinder with Powerglide HF I963 CORVAIR 5 7 900 6 cylinder with Manual Trans YC 5 7 900 6 cylinder with Manual Trans and High Performance YN 5 7 900 6 cylinder with Manual Trans and C A C YL 5 7 900 6 cylinder with Manual Trans C A C n and High Performance YM 927 967 6 cylinder Turbo Charged with 4 SPD YR 5 700 6 cylinder with Automatic Trans Z 900 6 cylinder with Automatic Trans ZH 5 7 900 6 cylinder with Automatic Trans and C A C ZD 5 7 900 6 cylinder with Automatic Trans and High Performance ZF 5 7 900 6 cylinder with Automatic Trans C A C and High Performance ZG A F C 6 cylinder with Manual Trans V F C 6 cylinder with Automatic Trans W Klioifi Mm Division E General Motors Corporation 3