65 66 Ser 10 exc 4 WD 65 66 G 10 w 3 73 4 11 ratio 67 Ser 10 4 WD w P Trac 3867896 8 45 CUP press plate spring Dana 33230 60 61 Ser 10 1st design 3776936 4 25 GUIDE plate Eaton ED 92502 Note 9 A NOTE 9 Used only w 3768516 Case Not interchangeable w 3779939 61 62 Ser 10 2nd design 3789939 4 30 GUIDE plate Eaton ED 92743 stamped 2 63 Ser 10 w 3 73 ratio 3830675 4 30 GUIDE plate Eaton ED 94044 64 G 10 w 3 36 ratio 65 69 Ser 10 w 3 73 ratio exc 4 WD 65 70 G 10 20 70 Ser 10 w 3 73 ratio 70 Blazer 9778355 4 45 GUIDE plate Eaton ED 94228 67 68 G 10 3872495 4 45 w 3883763 Dana 33295 61 69 Ser 20 30 exc 4 WD 70 Ser 20 70 Ser 30 exc D D 2426043 2 1 50 RETAIINER clutch No Spin 60 68 Ser 10 w leaf type spring exc 4 WD 2409731 2 11 90 RING rear side gear Dana 31496 61 68 Ser 20 30 exc 4 WD 70 Ser 20 70 Ser 30 exc D D 2426040 2 8 75 RING clutch hold out No Spin 65 67 Ser 20 w leaf type spring 68 70 Ser 10 3 54 ratio w power Iok 68 70 Ser 20 w power lock 4 10 4 56 ratio 68 70 Ser 20 power lock w leaf type spring 3 54 ratio 2410508 2 17 1 RING side gear Dana 31496 60 63 Ser 10 w 3 73 ratio 3772608A R 80 SHIM 005 thick Eaton ED92314 5 60 63 Ser 10 w 3 73 ratio 3781256A R 80 SHIM 007 thick Eaton ED92314 7 60 63 Ser 10 w 3 73 ratio 3772609A R 80 SHIM 010 thick Eaton ED92314 10 65 70 Ser 10 w 3 73 4 11 ratio exc 4 WD 65 70 G 10 67 70 G 20 A 70 Blazer 9778347A R 80 SHIM 005 Eaton 94128 5 65 70 Ser 10 w 3 73 4 11 ratio exc 4 WD 65 70 G 10 67 70 G 20 70 Blazer 9778348A R 80 SHIM 007 Eaton 94128 7 65 70 Ser 10 w 3 73 4 11 ratio exc 4 WD 65 70 G 10 67 70 G 20 70 Blazer 9778349A R 80 SHIM 010 Eaton ED 94128 10 65 70 Ser 10 w 3 07 3 73 4 11 ratio exc 4 WD 65 69 G 10 w 3 36 3 73 4 11 ratio 67 70 G 20 70 G 10 70 Blazer 2472358A R 75 SHIMI 012 thick Eaton ED 94128 12 65 70 Ser 10 w 3 07 3 73 4 11 ratio 65 69 G 10 w 3 36 3 73 4 11 ratio 67 70 G 20 70 G 10 70 Blazer 2472359A R 75 SHIMI 015 Eaton ED 94128 15 66 69 G 10 w 3 36 ratio 67 69 Ser 10 G 20 exc 4 WD 70 Ser 10 w 3 73 4 11 ratio 70 G 10 20 70 Blazer 9777l500A R 1 15 SHINI 020 Eaton ED 94128 20 66 69 G 10 w 3 36 ratio 67 69 Ser 10 G 20 exc 4 WD 70 Ser 10 w 3 73 4 11 ratio 70 G 10 20 70 Blazer 9777l501A R 1 15 SHINI 025 Eaton ED 94128 25 1971 CHEVROLET MOTOR DIVISION GENERAL MOTORS CORPORATlON P A 31 t REV 6 71 5 4e 5 511 5 511