55 59 1 2 TON exc O D P Trac 60 62 Ser 10 4 39 10T hypoid 3697702 3740874 57 59 Ser 3A w 4 WD trout axle 4 4 3747808 1 53 l5 55 59 2 SPD 2nd Ser 321 5T hypoid 3702244 3711483 3717213 1 84 85 57 58 PASS w A T 59 PASS w A T exc 348 59 PASS w 3 SPD 348 exc H L Cam Hi Per 60 61 PASS w 3 SPD P G 6 cyl 60 61 PASS P G w C A C Cool Pack 283 60 61 PASS w 3 SPD T G 283 62 PASS CORVETTE w 3 36 ratio 63 PASS w 3 36 ratio 37 11 T hypoid 3735390 3736508 3748437 1 45 70 57 61 CORVETTE 59 61 PASS w O D 2nd design 60 61 PASS w 4 SPD 348 60 61 PASS w 3 SPD 348 w H Per 62 PASS CORVETTE w 3 70 ratio V 63 PASS w 3 70 ratio 37 l0T hypoid 3737957 3733910 3748438EB 1 45 70 57 61 CORVETTE w P Trac 62 PASS CORVETTE w 4 56 ratio 63 PASS w 4 56 ratio 4 1 9T hypoid 3720089 90 3748447 1 46 55 55 57 lj TON w O D 2nd Ser 60 62 Ser 10 w 4 11 ratio 37 9T hyp0id 3652510 3740875 3747809 l 48 85 57 58 PASS exc O D A T 57 61 CORVETTE w P G 59 PASS wf4 SPD 348 exc H L Cam 59 60 PASS w 3 SPD 59 61 PASS P G w H L Cam H Per 348 61 STA WAG 3 SPD w P Trac 6 cyl 61 STA WAG P Trac w 348 H Per 62 STA WAG CORVETTE w 3 55 ratio 63 STA WAG w 3 55 ratio 32 9T hypoid 3783188 3783189 3795479 1 45 70 58 59 l 2 TON 37 1 0T hypoid 3711420 3744091 3749020 1 53 15 58 59 12 TON w P Trac 47 12 1 hyp id 2354373 2354374 2354371 1 47 50 59 61 PASS w A T 348 exc H L Cam 60 61 PASS w P G exc C A C 61 PASS w 4 SPD 62 PASS CORVETTE w 3 08 ratio 63 PASS w 3 08 ratio 37 12T hypoicl 3756448 3756446 3758549 1 45 70 58 62 Pg TON exc 4 WD 13 44T hypoid 3763461 3763466 3764960 1 53 1 5 60 62 Ser 10 4 WD tirt axle 47 l2T hypoid Spicer 18445 31488 2402513 1 47 5C 60 63 Ser 20 4 WD tirt axle 50 l1 hyp icl Spicer 18679 31491 2403655 l 47 50 61 63 Ser 20 exc D D 32 7T hypoid 3768612 3766683 3785597 1 53 90 61 62 Ser 20 D D 61 62 Ser 30 36 7T hypoid 3768613 3766684 3785598 1 53 90 62 63 Ser 30 D D 35 5T hypoid 3820880 3820882 3825110 1 53 90 63 CORVETTE w 4 11 ratio 37 9T hypoid 3820896 3733908 3822988 1 46 55 63 CORVETTE w 13 36 ratio 37 1lT hypoid 3735390 3819186 3822989 1 46 55 63 CORVETTE w 3 55 ratio 32 9T hypoid 3783188 3820899 3822990 1 46 55 63 CORVETTE w 3 08 ratio 37 12T hypoid 3756448 3819184 3822991 1 46 55 63 CORVETTE w 4 56 ratio 4l 9T hypoid 3720089 3820897 3822992 1 46 55 63 CORVETTE w 3 70 ratio 37 10T hypoid 3737952 3819081 3822993 1 46 55 63 Ser 10 w 3 73 ratio 41 1 1T hypoid 3817778 3817775 3824445 1 46 55 63 Ser 10 w 3 07 ratio 43 14T hypoid 3817779 3817776 3824446 1 46 55 63 Ser 10 w 4 11 ratio 37 9T 1iypoid 3819037 3819038 3824447 1 46 55 NOTE Axle ratio Ring Gear Pinion 37 10 3 70 to 1 BNOTE When used with P Trac requires P Trac differential unit 3775665 group 5 510 NOTE When used with P Trac requires P Trac differential unit 3775666 group 5 510 gigiiggfst Motor Division 871 5 529 General Motors Corporation