ENGINE 0 646 CRANKSHAFT Engine C n t NOTE 4 WITH STANDARD SIZE CRANKSHAFT MAIN BEARING JOURNALS AS FOLLOWS POSITION 1 2 3 4 2 449 INCH DIA AND REAR POSITION 5 2 448 INCH DIA NOTE 5 MUST EE USED WITH PISTON AND PIN ASM 3942541 OR 3942542 OR 3942543 57 61 Y 8 CYL 3889303 1 332 00 CRANKSHAFT NOTE 1 G2 67 Y 327 W SP H PEFI F I 3838495 1 401 00 CRANKSHAFT IDENT NO 2680 NOTE 3 64 68 Y 327 3941172 1 332 00 CRANKSHAET NOTE 4 3 E5 Y 396 3882841 1 435 00 CRANKSHAFT NOTE 1 3 66 68 Y 427 EXC SF H PER H 0 3882849 1 384 00 CRANKSHAFT NOTE 1 3 68 Y 327 EXC SP H PEF1 3930809 1 332 00 CRANKSHAFT NOTE 1 2 68 69 Y 427 W H D 3967811 1 518 00 CRANKSHAFT NOTE 1 2 69 80 Y 350 EXC H PEB SP 7 H PER 3932444 1 332 00 CRANKSHAFT NOTE 1 2 69 B0 Y 350 W H PER SP H PE8 3941184 1 421 00 CRANKSHAFT NOTE 1 5 69 Y 427 EXC SP I I PER H D AL CYL AND CASE 3882849 1 38 4 00 CRANKSHAFT NOTE 1 5 70 I 454 W A T 336782 1 384 00 CRANKSHAFT A 71 Y 454 W SP H PEFI 3963523 1 512 00 CRANKSHAFT 71 72 Y 454 W H PER 3993878 1 512 00 CRANKSHAFT 7fI 74 Y 454 336782 1 384 00 CRANKSHAFT 81 Y 305 361982 1 332 00 CRANKSHAFT NOTE 1 B1 82 Y 3932444 1 332 00 CRANKSHAFT NOTE 1 0 649 BEARING Engine Crankshaft Clutch Pilot 53 81 Y W M T 3752487 1 N L BEARING BUSH TYPE 19 32 I 0 1 3 32 0 D X 3 4 J 0 659 BALANCEFI 0AMPER PULLEY Engine Crankshaft NOTE IN SOME CASES DOUBLE GROOVE PULLEYS MAY BE USED IIJ PLACE OF SINGLE GROOVE PULLEYS NOTE I WHEN USING THIS PART USE 3883206 KEY 57 61 Y 3896904 1 54 50 BALL NCER 62 65 Y FORGED CRANKSHAFT W 8 CYL EXC SP H PER F l 396 3896904 1 54 50 BALIXNCER 62 68 Y 327 W F I SP H PER 3817173 1 92 25 BAL NCER W 0 PULLEY HUB 8 0 0 NOTE 1 65 G9 Y 396 427 W SP H PEFI 3860010 1 92 25 BALANCER W O PULLEY B 0 0 6569 Y 396 427 EXC SP H PER H 0 AL CYL AND CASE 3860008 1 92 25 BALANCER I 66 Y 48C W FOFIGED I g CRANKSHAFT 327 EXC SP H PER 3896903 1 54 50 BALANCER 67 Y 327 EXC SP H PER 3896903 1 54 50 BALANCER W O PULLEY 67 69 Y 42 W H D AL CYL AND CASE 3879623 1 87 00 BALANCER 68 Y 327 EXC SP H PER 3914684 1 54 50 BALANCER 69 71 Y 350 EXC H PER SP H PER 6272222 1 N L BALANCER 69 80 Y 350 W H PER SP H PER 6272224 1 92 25 BALANCER I 70 Y 454 EXC H 0 3963529 1 92 25 BALANCER 71 72 Y 454 W H PER 3963529 1 92 25 BALANCER 71 Y 454 W SP H PER 3963530 1 99 FO BALANCER 73 74 Y 454 330849 1 54 50 BALANCER 72 79 Y 350 EXC SP H PER 6272221 1 54 50 DAMPER TOFISICINAL 80 Y 305 350 EXC SP H PER 6272221 1 54 50 DAMPER TOFISIONAL 81 Y 350 6272221 1 54 50 DAMPER TOFISIONAL 82 Y 5 7 8 6272221 1 54 50 DAMPER TOFISIONAL 1 55 57 Y 8 CYL EXC A C DUAL 4BC F l 3755820 1 16 15 PULLEY 58 61 Y 3756328 1 19 50 PULLEY 62 Y EXC SP H PER F I 3756328 1 19 50 PULLEY 62 65 Y W SP H PER F I EXC 396 3858533 1 17 05 PULLEY 2 GROOVE 6 5 8 DIA 63 66 Y EXC H PEE SP H PER F I A C 3744043 1 17 05 PULLEY DOUBLE 6 5 8 0 0 PAINTED BLACK 1 63 65 Y W P S EXC SP H PER 374 i043 1 17 05 PULLEY DOUBLE 6 5 8 0 D PAINTE0 BLACK 64 66 Y EXC SP H PER F 427 3850838 1 18 50 PULLEY 7 21 64 3 0 85 66 Y 396 427 W A C 3863108 1 61 25 PULLEY 2 GROOVES CAST 66 67 Y 327 EXC A C SP H PER A I F1 3755820 1 16 15 PULLEY 66 68 Y 327 W SP H PER A C P S 3850838 1 18 50 PULLEY 7 21 54 0 0 66 68 Y 327 W SP I I PER EXC P S 3858533 1 17 05 PULLEY 2 GROOVE 6 5 6 DIA WAI1EHCUS NG AND DISTRIBUTION DIVISION OF GENERAL MOTORS CORPORATION CHEVROLET 14A 0 646 0 659 0 16 REV 12 83 E 3 I