1946 70 ENGIINE ASSEMBLIES 0 429 STUD BALL NUT SCREEW Valve Push Rod Adjusting Con t 55 62 All 8 cyl exc 322 63 70 All exc Diesel 366 427 3744341 A R NUT valve rocker arm 24 across the flats x z thk 4 62 69 All 3 53 4 53 6V 53 5151601 A R I NUT lock l 24 66 70 All 366 427 3896648 16 NUT valve rocker arm hex Ik 20 cad 55 62 All 6 cyl 837385 12 SCREW 20 x 1 az 65 69 All D351 D DH478 2379943 12 SCREW 0 439 COVER CLAMP GUIDE Valve Push Rod and Cylinder Block 62 69 All 4 53 51 16374 1 cyl block hand hole 8 ag 0 L between holes on each end 6 holes 62 66 Ser 80 6V 53 5183184 4 cyl block hand hole 63 66 Ser 50 230 250 67 70 Ser 40 250 3788496 2 4 z x 12 4 V 63 66 Ser 50 60 292 67 70 All 292 465810A R push rod 65 69 All D351 D DH478 2367250 1 push rod 65 67 All 3 53 5116373 1 hand hole 62 66 Ser 80 6V 53 5130590 4 CLAMP hand hole cover 66 70 All 366 427 3860038 8 GUIDE 2 holes and 2 U slots 67 All 366 3904378 8 4 GUIDE la push rod slot gz thick 0 443 GASKET Valve Push Rod and Cylinder Block Cover 38 49 All 50 53 All 216 602336 1 9 x 26 O L 38 49 All 50 53 All 216 3835246 6 spark plug hole 1 i I D x 1 u 0 D x 4 thk cork 50 62 All 6 cyl 3701542 1 5 x 27 lube or bottom 62 69 All 4 53 5116381 1 cyl block hand hole cover 8 az O L between holes on each end 6 holes 62 66 Ser 80 6V 53 5185416 4 cyl block hand hole cover 63 66 Ser 50 230 250 67 70 Ser 40 250 3920938 2 push rod and cover 63 66 Ser 50 60 292 67 70 All 292 3858936 2 push rod cover I 65 69 All D351 D DH478 2491538 1 push rod cover 0 446 BOLT WASHER Valve Push Rod Cover 63 66 Ser 50 60 6 cyl 67 70 All 6 cyl exc Diesel 3814350 6 w Iockwasher and seal 18 x i 56 59 All 322 120393 2 WASHER to crankcase I D 8 929 0 459 TAPPET Valve i 38 39 All 838774 12 40 53 All 216 839263 12 w rod seat white paint spot 41 55 AII 235 3660438 12 w rod seat yellow paint 41 55 All 261 3836342 12 mechanical type single groove around body 55 65 All 8 cyl exc 322 66 All 8 cyl 67 70 All 8 cyl exc 366 427 Q 5232720 16 hydraulic type HL 20 two piece body reduced dia unmachined surface at top of body w one groove at upper end 56 62 All 6 cyl 5231880 12 mechanical type two piece body 56 59 All 322 5232245 16 hydraulic type 63 70 All 6 cyl 5232450 A R hydraulic type 65 69 All D351 D DH478 2462493 12 67 70 All 366 427 5232700 16 0 480 FOLLOWER ASSY GUIDE ROLLER Camshaft I 62 68 All 3 53 4 53 6V 53 5115087 A R 62 69 All 3 53 4 53 6V 53 5116125 A F l GUIDE follower approx 3 la O L between 2 holes 62 69 All 3 53 4 53 6V 53 5195220 A R ROLLER w pin 0 51 9 CAMSHAFT NOTE Engine camshaft break in oil Group 1 850 should be used when insra ing new camshaft 54 55 All 6 cyl exc P G 2 59 62 All 235 3836482 1 Ident No 3836127 55 61 All 8 cyl exc 322 348 62 All 283 3704212 1 Ident No 3703906 I 58 65 All 348 409 1 3744901 1 ldent No 3744430 GM PARTS DIVISION GENERAL MOTOFlS COFlPORATlON CHEVROLET 72TM REV 5 79 0 19 0 429 0 51 9