I ENGINE SERIES NUMBER AND SU FFIIX CHART Cont d I I 1971 1972 I G TRUCK A Mq4 Daacrlptlan Daacrlptlan A I 250 6 CYLINDER GS 10 20 30 T H 350 TKG I GS 10 20 Q I Manual Trans TRB l GS 10 20 30 T H 350 w NB2 TPK GS 10 20 V Manual Trans w NB2 TPJ I GS 30 4 Manual Trans TKD 4 GS 30 Manual Trans w NB2 I TBB 307 8 CYLINDER I GE 10 Q Manual Trans TDT GE 10 T H 350 I TDX GE 10 Manual Trans w NB2 I TAK GE 10 T H 350 w NB2 TAL 350 8CYLlNDER A l 4 GE 10 20 30 Manual Trans w NB2 TFA VGE 10 20 30 T H 350 w NB2 TFB GE 10 20 30 4 Manual Trans TDW GE 10 20 30 T H 350 TDY A GE 30 Manual Trans TRD 1 GE 30 T H 350 TRG GM PARTS DIVISION GENERAL MOTORS CORPORATlON CHEVROLET 72TL 35