l BRAKES REAR AXLE AND DRIVE GMC GROUP 5 510 Con t 74 G 3 Dual Rear Wheels w P Trac w 4 56 ratio 5 510 CASE CASE ASM Differential and Planet Rear Axle Corporation Design NOTE 1 No attempt should be made to convert 1975 77 G 10 non positraction axle to positraction Because of design changes you will not be able to use a differential case from a G 10 w positraction The positraction axle assemblies use on 8 ring gear The standard axle assemblies use on 8 z ring gear 73 CKG 1 Blazer Jimmy P Trac w 3 07 3 40 ratio 73 G 2 P Trac w 3 07 3 40 ratio 74 77 CKG 1 Blazer Jimmy P Trac w 3 07 3 40 ratio 74 77 G 2 P Trac w 2 76 3 07 ratio 14009993 1 357 00 CASE Eaton no spin ED 15936 1 Note 1 2 0840A 73 78 CKGP 1 Blazer Jimmy P Trac w 3 73 4 11 ratio 73 78 G 2 P Trac w 3 73 4 11 ratio 14009994 1 328 00 CASE Eaton no spin ED 13177 2 Note 1 2 0840A 73 77 CKP 2 3 P Trac w 3 21 3 73 4 09 s 4 10 ratio 73 M H C P Trac w 4 10 ratio exc 14 000 Ib G V W 73 77 G 3 P Trac w 3 73 4 10 ratio 74 77 M H C JB 8 w P Trac 4 Mr 4 10 ratio 14020928 1 620 00 CASE Eaton no spin 2 0840A rx 73 77 CKP 2 4 56 ratio w P Trac 73 77 CGP 3 4 56 5 13 ratio w P Trac 73 M H C P Trac w 4 56 ratio exc 14 000 lb G V W 74 77 M H C JB 8 w P Trac w 4 56 ratio 78 CGKP2 3 4 56R w G80 exc Dana 14020929 1 553 00 CASE diff 2 0840A 78 CGK1 w G80 2 76 3 07 3 40R 78 G2 w G80 2 76 3 40R 14009993 1 357 00 CASE ASM diff 2 0840A 75 78 CGKP2 3 JB6 JB7 JB8 w G80 3 21 3 73 3 75 4 10R exc Dana 14020928 1 620 00 CASE ASM diff 2 0840A NOTE Differential Case Less Internal Gears NOTE 2 This part may be listed more than once within this group 5 510 CASE Differential and Planet Front Axle Dana Design 73 77 K 1 Blazer K Jimmy K w 3 07 3 73 ratio 75 78 K1 2 w 2 76 3 07 3 40 3 73R Dana 2457066 1 68 50 CASE diff Dana 32681 1 1270 73 77 K 1 Blazer K Jimmy K w 4 1 1 ratio 73 77 K 2 w 4 10 4 56 ratio 2457067 1 68 75 CASE Dana 32684 1 1210 77 78 K 3 w 3 73 4 10 ratio 2376270 1 101 00 CASE Dana 30357 Note 2 1 1210 77 78 K 3 w 4 56 ratio 2358880 1 101 00 CASE Dana 30258 Note 2 1 1210 78 K1 2w 4 10 4 11 4 56 ratio w Dana 2457067 1 68 75 CASE diff Note 3 1 1210 5 510 CASE Differential and Planet Front Axle Corporation Design 77 78 K 1 2 Blazer K Jimmy J K 1252981 1 101 00 CASE Note 2 1 1210 WAREHOUSING AND DISTRIBUTION DIVISION OF GENERAL MOTORS CORPORATl0N LT TRUCK 51 REV 2 83 5 27 5 510 5 510