1977 ENGINE SERIES NUMBER AND SUFFIX CHARTT 2 Contrnued ca mucx J Tun Tm Mndcl Ducrlpticn Danni Modal Il u rI iI0n Dtmrip 400 8 CYLINDER G20 30 exc NBZ I TLU G30 exc NBZ I I TLH G20 30 I NB2 I TLT E30 I NB2 I 4 I TLD P TRUCK 292 6 CYLINDER P10 20 T H 350 axc NBZ I THK P10 20 30 Manual Trans exc NBZ THH P10 20 30 I Manual Trans w NBZ THR P10 20 T H 350 w NBZ THT P30 44 I T H 4l1 exc NBZ THL P30 I I T H 400 w NBZ THU 350 8 CYLINDER P20 30 Manual Trans exc NBZI TXR P20 30 T H 350 400 w NBZ P30 4 Spd w JFS exc NB2 TXX exc JF9 TXS P20 30 Manual Trans wINB2 TXM P30 T H 400 w JF9 exc NB2 TWT P30 4 Spd w JF9 wlNB2 TXV P30 T H 400 w JF9 w NB2 TWU P20 30 T H 350 dw exc NB2 MHC exc NBZ TXU JF9 TXT MHC NB2 TXW 454 8 CYLINDER 0 P30 exc NB2 TRC MHC NBZ exc CAC TRB P30 NB2 TRD MHC exc NBZ TRA MHC NH2 w CAC TSR WAREHOUS NG AND DXSTRIBUTION DIVISION OF GENERAL MOTORS CORPORAT ON LT TRUCK 51 zo REV Z 83