6 CYLINDER ENGINE 0 728 GEAR SPROCKET Engine Crankshaft C0n t NOTE 2 Must be used wl 3866727 camshaft gear 3866727 camshaft gear is identified vv The number 74 stamped 0n gear hub NOTE 3 Use in engine w the intake manifbld and cylinder head cast as separate units NOTE 4 Must be used M7 3882893 camshaft gear 3882893 camshaft gear is identified wfthe number 20 stamped on gear hub E 76 ALL 250 352167 1 20 10 GEAR STANIPED GM71 NOTE 1 2 76 ALL 250 362758 1 20 10 GEAR STAIVIPED GM20 NOTE 1 4 76 ALL 250 3836605 1 20 10 GEAR STAMPED GM71 NOTE 2 3 76 ALL 250 3882892 1 20 10 GEAR STAMPED GM20 NOTE 3 4 77 79 ALL 250 362758 1 2010 GEAR 78 79 ALL 196 231 1192916 1 11 85 SPROCKET CR SHF 78 79 ALL 200 464617 1 21 05 SPROCKET CR SHF 80 81 ALL 229 464617 1 2105 SPROCKET CR SHF 80 81 ALL 231 1192916 1 11 85 SPROCKET CR HF 80 81 X 2 8 477263 1 15 45 SPROCKET CR SHF 0 736 GEAR SPROCKET Engine Camshaft NOTE 1 Must be used 1403882892 cr 362758 crankshaft gear 3882892 and 362758 crankshaft gears are identified wr GM20 stamped 0n gear face NOTE 2 ll lust be used me 352167 or 3836605 crankshaft gears 352767 and 3836605 crankshaft gears are identified w GlM71 stamped cn gear face 76 77 ALL 250 3866727 1 27 25 GEAR TIMING STAMPED 14 NOTE 2 76 79 ALL 250 3882893 1 27 25 GEAR TIMING STAMPED 20 NOTE 1 78 79 ALL 196 231 1253698 1 13 15 SPROCKET CIVI SHF 78 79 ALL 200 340235 1 18 80 SPROCKET CNI SHF 80 81 ALL 229 340235 1 18 80 SPROCKET CIV SHF 80 81 ALL 231 1253698 1 13 15 SPROCKET CIVI SHF 80 81 X 2 8 476520 1 32 50 SPROCKET CM SHF 0 738 BOLT NOZZLE PIN Engine Camshaft Sprocket 78 79 ALL 196 231 1383886 1 23 BOLT SPKT TO CM SHF 80 81 ALL 231 1383886 1 23 BOLT SPKT TO CM SHF 80 81 X 2 8 477280 1 31 BOLT CM SHF SPKT 8 900 ALSO LISTED IN GRP 3 670 78 ALL 250 IST DES 3875950 1 53 NOZZLE OIL NOT REQUIRED FOR 1978 2ND DES AND LATER 78 81 ALL 3836903 1 23 PIN X 5 0 748 NOZZLE Engine Timing Gear 76 77 ALL 250 3875950 1 53 NOZZLE OIL 78 ALL 250 IST DES 3875950 1 53 NOZZLE OIL NOT REQUIRED FOR 2ND DESIGN 0 787 ROD SPACER SWlVEL Engine Clutch Fork Release NOTE 7 When using 3840845 swivel in place of 55 7 765 md 14008223 rod must be used in place uf 476773 rod 76 77 A F 250 9779202 1 145 ROD PUSH 76 79 X 250 3939116 1 2 00 ROD CLU FORK ADJ PUSH 78 A W M T 476773 1 1 90 ROD CLU FORK ADJ PUSH LENGTH 3 74 78 A W lVI T 551165 1 6 10 ROD CLU FORK PUSH 79 A W lVI T 1ST DES 476773 1 1 90 ROD CLU FORK ADJ PUSH LENGTH 3 74 79 A W M T 1ST DES 551165 1 610 ROD CLU FORK PUSH ELBOW SHAPED NOTE1 79 A W M T ZND DES 14008223 1 1 95 ROD CLU FORK ADJ PUSH LENGTH 6 30 80 81 AT AW W M T 14008223 1 1 95 ROD CLU FORK ADJ PUSH 80 81 F W MT 340690 1 1 90 ROD CLU FORK ADJ PUSH 76 77 X WTMT 3975524 1 41 SPACER ADJUSTING PUSH ROD 77 F 250 W 7M T 3975524 1 41 SPACER ADJUSTING PUSH ROD 76 77 A 335380 1 2 30 SWIVEL ADJUSTING PUSH ROD 76 77 F 250 W M T 3840845 1 2 30 SWIVEL CLU FORK ADJ PUSH ROD 76 79 X L6 V6 3840845 1 2 30 SWIVEL CLU FORK ADJ PUSH ROD 79 A WVIVI T 2ND DES 3840845 1 2 30 SWIVEL CLU FORK ADJ PUSH ROD NOTE1 80 81 A W IVl T 3840845 1 2 30 SWIVEL CLU FORK ADJ PUSH ROD 0 795 FORK LEVER SHAFT Engine Clutch Release 76 77 A F X W lVl T 340278 1 N L FORK 76 80 H W MT 3994270 1 15 70 FORK 78 AW M T 462607 1 19 45 FORK 79 81 A W IVI T 14007356 1 19 30 FORK 79 ALL 250 W 7M T 340278 1 N L FORK 80 81 F 229 340278 1 N L FORK LL WAREHOUSING AND DISTRIBUTION DIVISION OF GENERAL MOTORS CORPORATION CHEVROLET 10 0 728 0 795 0 34 REV 5 81