1946 70 ENGINE ASSEMBLIES I I 0 669 BOLT DOWEL LOCK PLATE Flywheel to Crankshaft Con t 65 66 All D351 2371095 2 PLATE flywheel bolt locking short 65 69 All D DH478 2425259 1 PLATE flywheel bolt locking short 0 673 GEAR Flywheel Ring 58 70 All 327 348 350 366 409 427 exc A T 3991409 1 65 69 Diesel 2449596 1 I 0 677 GASKET SHIM Flywheel Housing NOTE 1 Used with flywheel housing attaching bolt 62 69 All 3 53 4 53 5121334 1 I 62 66 Ser 80 6V 53 5137470 1 62 69 All 3 53 4 53 6V 53 5152904 1 copper z dia Note 1 62 69 All 3 53 4 53 6V 53 5123802 1 SHIM housing boss idler gear end plate 0 679 UNDERPAN BOLT COVER EXTENSION Flywheel and Clutch 55 59 Ser 4 6 6 cyl exc A T 60 Ser 40 thru 60 6 cyl exc A T 61 62 All 6 cyl 3725088 1 flywheel 12 gz wide 55 56 All 265 57 62 All 283 63 66 Ser 50 60 exc 327 348 366 A T 67 70 All 250 283 292 3714477 1 clutch 15 t wide 58 62 All 327 348 409 63 66 All 327 348 366 67 70 All 327 350 366 exc P T 3765348 1 clutch 18 az wide 65 69 All D351 D DH478 2454708 1 I 65 69 All 3 53 4 53 V Q 5135588 1 flywheel 19 az x 9 az 65 68 All 3 53 5125650 1 flywheel 17 u O L x 7 z wide 40 54 All 55 Util 57 61 All 283 62 Ser 60 SBC w P T 62 Ser 80 w P T 3817006A R BOLT w washer 20 x Ir 65 69 All D351 D DH478 2472775 A R BOLT 16 x 1 N s 56 61 All w P T 8 cyl exc 322 348 409 62 64 Ser 60 w P T 65 66 Ser 60 w P T exc 348 366 67 70 Ser 50 60 w P T 292 327 350 exc TDM 3836832 1 COVER flywheel housing 8 wide x 13 long 3 holes 58 66 All w P T 348 366 409 exc Tilt 64 65 Tilt 348 l 67 69 Ser 50 w A T 366 exc Tilt 67 Ser 60 w P T 366 exc TDM I I 68 70 Ser 60 w A T 366 3750343 1 COVER flywheel housing 8 wide x 13 long 3 holes 40 55 Util exc H T 55 59 Ser 4 6 6 cyl exc A T 60 62 All 6 cyl 839180 1 EXTENSION flywheel underpan 55 56 All 265 5 7 62 All 283 63 66 Ser 50 60 exc 327 348 366 67 70 All 250 283 292 307 3734908 1 EXTENSION housing underpan partial raised surfaceon end with 2 holes 58 62 All 327 348 409 63 70 All 327 348 350 366 exc P T 3821378 1 EXTENSION clutch housing underpan 63 65 Ser 80 w P T 409 68 70 All 427 3824657 1 EXTENSION clutch housing 0 683 HOUSING ADAPTER NUT PI ATE PLUG SHIM Flywheel and Clutch NOTE 1 Diaphragm spring type clutch must use clutch tiork ball stud Grp 0 796 NOTE 2 ln some cases it will be necessary to extend the clutch housing adapter clearance notch in I underpan by 63 to complete assembly NOTE 3 Unit consists of 1 flywheel housing and 2 c utch housing mounting shims 55 59 All 6 cyl 2nd design 3826861 1 clutch 55 59 All 8 cyl exc 322 348 3776887 1 clutch ldent No 3776887 Note 1 GM PARTS DIVISION GENERAL MOTORS CORPORATION CHEVROLET 72TM REV 5 79 0 ze 0 669 0 683