GM3 61 1978 80 A B 1981 A TURBOCHARGER PART I 1 TURBOCHARGER ASM 1 A 3 342 2 GASKET Plenum to Turbo Compressor 3 342 3 CLIP Clsd Ctd 560 8 950 4 PLUG 1 B Auto HH Pipe Pl 8 971 5 CAP Cruise Cont Ftg 3 734 6 BOLT Hex l I8 x 1 25 x 30 9 8PC 8 900 7 NUT Hex 312 18 CZ 8 915 8 ELBOW A Cl to Carb 3 407 9 GASKET Carb Air Clnr 3 403 10 STUD Elbow to Carb 3 403 11 BOLT Hex M8 x 1 25 x 95 9 8PH 8 900 12 CARBURETOR ASM 3 725 13 GASKET Carb Plenum 3 726 14 CONNECTOR Plenum 3 278 15 PLENUM ASM Carb I ltg 3 342 16 TUBING Steel 3 8 OD 8 964 17 BRACKET Plenum Supt 3 342 18 BOLT Hex Flg IVI8 x 1 25 x 20 8 900 19 BOLT M8 x 1 25 x 12 9 8PH 8 900 20 TUBE Oil Filler 1 745 21 SCREW W Plate Vlv Rkr Cvr 0 413 22 CLIP EFE Pipe to Rkr Cvr 3 130 23 COVER ASM Vlv Rkr Arm 0 386 24 GASKET Vlv Rkr Arm Cvr 0 423 25 GASKET Int Nlanif 3 270 26 SWITCH EFE EGR Vacuum 3 670 27 MANIFOLD Intake 3 265 28 SHIELD Ign Wire 2 251 29 BOLT Int Manif to Hd 3 275 30 BOLT Turbo Brkt to Turbo 3 342 31 BRACKET Turbo Supt 3 342 32 HOSE Turbo Oil Drain 3 358 33 CONNECTOR ASM Oil Drain 3 353 34 GASKET Oil Drain Conn 3 358 35 GASKET EGR Chmbr to Plenum Manif 2 3 726 V 36 BOLT Hex M8 x 1 25 x 20 Z 8 900 37 VALVE ASM EGR 3 670 A 38 GASKET EGR Vlv 3 680 39 BOLT Hex MBP x 1 25 x 25 9 8 8 900 40 CHAMBER EGR Vlv 3 670 VALVE Turbo Vac Bleed 3 342 42 BOLT Hex M10 x 1 5 x 27 9 8 8 900 43 SENSOR Detonation 2 383 K 44 NIPPLE Carb Plenum 8 866 45 GASKET Turbo Cmpr to Manif 3 342 46 CONNECTOR Cmpr to Turbo 3 346 I 47 CLAMP 545 460 Hose PC V 1 166 I 48 HOSE 5 32 ID 8 962 49 SWITCH Thermo Vac Can Purge 3 140 50 AIR CLEANER ASM Carb 3 402 51 STUD A Cl to Mtg Brk 3 403 52 Part of Item 50 Air Cleaner N S 53 SCREW Tap M7 9 x 2 12 x 20 8 977 j 54 BRACKET A Cl Nltg 3 405 55 DUCT Air Intake 3 417 I 56 MOTOR Vac 3 415 57 NUT Wing M8 x 1 25 8 920 V 58 CLAMP Adj 1 166 59 TUBE Air Preheat 3 407 NOTE 1 See separate illustration for expIoded breakdown of turbocharger NOTE 2 Refer to Carburetor Charts for part numbers Gl lI PARTS DIVISION GENERAL MOTORS CORPORATION BLJ CK 4IA 9 80 3 11 3 000 GROUP