The following chart shows the Expander Type Piston Ring sizes to use in various oversize bores Special Cyl O S Use Ring Size Fitting Std to 009 Std None 010 to 029 020 File tit under 020 030 to 039 030 None 040 to 049 040 None 0 646 CRANKSHAPT with Dowel Pin 1933 36 ALL exc CC DC w bolt nuts forge No 837631 837630 31 60 2 1 1937 39 ALI w bolt nuts forge No 838281 or 838877 838345 33 35 1 1 NO l E When installing 838345 on 1939 jobs use 907109 clutch pilot hearing 1940 41 ALL w 216 engine forge No 8391 1 1 839110 33 35 1 1 1941 Y w 235 engine forge No 3660435 3660473 35 65 2 1 1942 47 ALL w 216 engine forge No 839775 839774 33 35 1 1 1942 47 ALL w 235 engine forge No 839750 839749 35 65 1 1 1948 50 ALL w 216 engine forge No 3835271 3835270 33 35 1 1 1948 49 ALL w 235 engine forge N0 383531 1 3835310 35 65 1 1 1950 ALL w 235 engine forge No 3835501 3835513 35 65 1 0 649 BUSHING BEARINGt Crunlurlmit Clutch Pilot 1929 30 ALL BUSHING 1 D x 516 OQD x 1 Q length 344098 40 1 1931 39 ALL exc CC DC BEARING ND 7109 907109 1 70 1 1 NOTE 907109 used on 1939 jobs only with crankshaft 838345 1933 34 CC DC 1939 50 ALI BEARING bush 1 LD xx lfig O D x 412562 45 1 1 NOTE When installing 412562 on jobs equipped w 142655 Hyatt brg omit 473681 stop spring 0 649 GREASE Clutch Pilott Bwurixug 1931 50 ALL 1 lb 380 F clrip point 836470 40 A R 0 650 RE I AINER SPRING Cmunlunhuft Clutch Pilot Beauring 1933 34 CC DC 1939 46 ALI RETAINER I D x 1 O D 836713 06 2 1 1933 34 CC DC 1939 46 ALI SPRING 1 O D 473681 01 2 1 0 659 P ULLEY BALANCEll t Czrunllanshnft 1929 ALL PULLEY width throiigli hula 2 HQ 362944 3 05 1 1933 34 CC DC PULLEY width through hula 2 601608 3 05 1 1930 31 ALL BALANCER casting No 836349 363354 6 75 1 1932 36 ALL exc CC DC BALANCER casting No 836770 weight has larger O D than pulley 601359 7 25 1 1 1937 40 ALL BALANCER casting No 338863 2 width thru hub 6 dia 603447 7 25 1 1 NOTE When installing 603447 on 1937 38 jobs discard crankshaft oil thrower 1941 50 ALL w 2 16 engine BALANCER casting No 8Et 8863 3 width thru hub 6 dia 605203 7 25 1 1 1941 49 ALL w 235 engine BALANCER casting No 8Etl9683 7 dia 605635 7 25 1 1 1950 ALL w 235 engine BALANCER 3694284 7 25 1 1 0 666 FLYWHEEL with Rizng Gear 1932 33 ALL exc CC casting No 837043 UC timing mark l17 counteirclockwtse from dowel hole 364663 6 95 1 1934 35 ALL exc DC EA lst 50 000 1 935 jobs costing No 837243 1ess guide pins UC timing mark 133 clockwise from dowel hole 837242 8 25 1 1934 ALL COMM and UTIL lst 75 00 jobs casting No 1837243 w guide pins UC timing mark l33 clockwise from dowel hole 837484 8 25 1 1934 DC casting No 473197 UC timing mark 133 clockwise from dowel hole 837402 8 25 1 1935 36 ALL after lst 50 000 1935 jobs casting No 837243 1ess guide pins UC timing mark 133 clockwise from dowel hole 836014 8 25 2 1 45 0 643 0 666