4 and 6 cylinder Drive Pulley Crankshaft Groove No 3 3 pulley systems Driven Dimensions Pulleys 60 6I Pass Air Cond vv P S 3 8 7 51 P 3861940 1 62 Pass Air Cond vv P S P 64767 Pass Air Cond vv P S vv 62 amp G 66 Ser 10 C A C H D Cooling vv P S vv A l R vv 62 amp I5 327 323 P G 3850995 1 04 66 Pass Prod Air Cond C A C vv P S exc 62 amp AIR 67 Pass AIR vv C A C 67 Pass P S vv C A C exc AIR G 05766 Ser 10 thru 30 Air Cond w P S I6 cyl exc 292 67 69 Ser 10 l l D Cooling C A C vv A R 250 exc 62 amp gen 4 D 57 69 Ser 20 C A C vv A I R 250 exc 62 amp gen 6669 Ser 10 thru 30 l D Cooling Air Cond vv P S 250 exc 62 amp gen A I R 3 8 7 31l La P G 3850803 1 66 Ser 10 P S vv Al R 6 cyl 66767 Pass P S vv A I R 6 cyl 67 Ser 10720 P S vv AIR 250 Wg 77 7 30 P 3880802 1 66 Ser 10 A R vv 62 amp gen l l D Cooling C A C 250 1st des exc P S I5 Q 7 7 32 G 3890246 1 66 68 Ser 20730 P S vv 62 amp gen l l D Cooling C A C 250 66768 Ser 10 A l R vv 62 amp gen l l D Cooling C A C 250 2nd des exc P S 3 rg77733 3 G 3925595 1 66769 Ser 10 thru 30 vv Air Cond 1292 PIB A 56 CF 3888403 1 I I I I I rw O I CRO TU fi x W I I II I I 3 L I I K 0 0 I 0 I q 0 i 3 6 IIC 7 OOO rrl J Ov jig I 000 R 5 I Ii r a a 2 r 2 r i 8 cylinder Drive Pulley Crankshaft Groove No 1 1 2 or 3 pulley systems Driven Dimension Pulleys 55756 Pass exc P S 40 arnp L C slow speed driving 55757 Pass vv C A C exc P S 56 57 Corvette vv dual 4BC PI 57 Pass exc P S 40 amp LC dual 4BC 58 Pass vv C A C 283 58 Pass 283 exc P S 45 amp L C D D 1969 CHEVROLET MOTOR DIVISION GENERAL MOTORS CORPORAT ON DD 1 066 1 066 P 1 22 REV 7 1 69