CAMSHAFT I Camshaft timing can be checked by measu1 va1ve lift on I overlap cycle Both valves should be ug gi al lift four 4 crankshaft degrees before top dead cent Check lift at I valve lifter or with 020 lash on both es It is recomended molykote or other m isulfide based EP lubricant be used on 1 23 t lobes I 5 1 The M 4 service camsh E 1 gr y 5 urna1s required y for 1966 or earlier Y I IiiII I I I m I I Ig H I filled 1 when used in 1967 or late 4 AE herwise a major o 1 leak would occur affectin the p orm gfyf Wy em Where it is not desired to lug Qu q i 1 il later blocks the rear i w F from the block and the oil ole 1 r wi gI i I redrilled to 060 t K 1 V is 1 396 427 454 CID u 1 i 3925535 CAMSHAFT Chain Drive L 88 lst design 1 3925533 CAMSHAFT Gear Drive L 88 1 1 1 Iv 3959180 CAMSHAFT Chain Drive ZL 1 2nd design 1 I 1 3994094 CAMS IAFT Chain Drive 3rd design 1 V W I I IJ 3887871 BEARING UNIT THZRUST Gear Drive Cam 1 1 1 Q 302 327 35O CID 1 i 3927144 CAMSHAFT SPRING UNIT 1 I Q 3927140 CAMSHAFT L 1 F 1 396 427 CID 1 3856351 GEAR camshaft 1 I 3856356 SPROCKET Camshaft 1 I 1 3817006 BOLT Camshaft Gear 1 4 20 7 16 2 3860036 CHAIN Camshaft Timing 1 1 I 3887871 THRUST UNIT Camshaft Gear Drive Only 1 1 1 I ALUMINUM BLOCK ONLY I 3975949 SI IIM Camshaft Sprocket l J 1 3952319 PLUG Camshaft RR Brg I 1 3952320 LOCK Camshaft RR Brg Plug I l I 1 3783948 SEAL Camshaft RR Brg Plug I 1 I 180020 BOLT Camshaft RR Brg Plug Lock V 2 i NOTE Ball Bearing Distributor should be us cam i Also use with Thrust Bearing Unit 388 I 1 19 REVISED 5 1 71 I 1 s a V I