TP11 1973 ENGINE SERIES NUMBER AND SUFFIX CHART I The engine type designation 3 alpha characters will appear in the lollcwving areas 6 Cyl Stamped on crankcase right hand side ul engine rear of distributor B Cyl Stamped on tap front right hand bank of cylinder and case close to upper end ol pad Mark IV Stamped on tap right hand bank of cylinder and case close tc lowar and ol pad LIGHT TRUCK Tw rr Model Ilswripliun I I sr rip Mold Ihnwlpllun Ihsuip 250 6 CYLINDER C10 K10 r T H 350 TAA C10 r Manual Trans w NB2 TAC C10 K10 Manual Trans TAB C10 K10 Manual Trans w NB2 TAD C10 K10 4 Spead w H D Clinch TAC C20 K20 Manual Trans TAH C10 K10 T H 350 w NB2 TBL C30 C20 K20 T H TAJ C10 20 30 K10 20 Manual Trans TBM C20 30 K20 4 Spaad w H D Clutch TAK 292 6 CYLINDER C20 K20 T H 350 wINB2 THA C20 K20 T H 350 THH C30 T H 400 wINB2 THB C20 30 K20 Manual Trans THL C20 30 K20 Manual Trans w NB2 THC C30 T H 400 THJ C20 30 K20 Manual Trans THD 307 8 CYLINDER C10 K10 T H 3w TCH C20 30 K20 T l l 350 400 w NH2 TCA C10 K10 Manual Trans TCJ C20 30 K20 Manual Trans w NB2 TCB C10 K10 Manual Trans TCX C20 30 K20 T H 350 400 TCC C10 K10 T H 350 wINB2 TCV C20 30 K20 Manual Trans TCD V 350 8 CYLINDER x C10 20 K10 20 Manual Trans T lB C10 20 K10 20 T H 350 w NB2 TJV C20 30 K20 Manual Trans TJC C10 20 K10 20 Manual Trans wINB2 TDY C20 30 K20 T H 350 400 TJA C10 20 30 K10 20 Manual Tmns TJH C10 20 K10 20 T H 350 TJZ C10 20 30 K10 20 T H 350 400 TJX 454 8 CYLINDER C10 20 T H 400 w NB2 TRL C10 20 T H 400 TRH C20 30 Manual Trans w NB2 TRA C20 30 Manual Trans THJ C20 30 T H 400 wINB2 TRB C20 30 T H 400 TRK G TRUCK 250 6 CYLINDER 6102000 T H 350 TAS 610 20 Manual Trans w NB2 TAX I 610 20 Manual Trans TAU 6102030 Manual Trans w NB2 TAV 610 20 30 Manual Trans TAT G30 Manual Trans TAM 6102030 T H 350 wINB2 TAW 630 T H 350 TAR 307 8 CYUNDER 610 T H 350 TCS G10 Manual Trans w NB2 TCU 610 Manual Trans TCT 610 T H 350 w NB2 TCW 350 8 CYLINDER G10 20 30 Manual Trans TJM 630 T H 350 TJT 630 Manual Trans TJR 610 20 30 T H 350 w NB2 TJU 610 20 30 T H 350 TJS G10 20 30 Manual Trans w NB2 TJW WAREHOU lNG AND DISTRIBUTION DIVISION OF GENERAL MOTORS CORPORATlON LT TR1JCK 5l REV 2 83 11