4 SPEED TRANSMISSION I I I 1971 TRUCK SPEEDOMETER GEAR CHART CONT 3 I I 4 337 4 338 4 Geer Gar 4 329 I Rear I I Speedometer Speedometer Adapter Axle Retle Rear Tire Size Driven Drive Speedometer I I DANA TRANSFER CASE CONT I 4 56 C78 x 140 R V 68032 64593 3950352 4 56 6 50 x 16P O R 6 50 x 16T O R 7 00 x 16 7 00 x 160 R 9 50 x 16 5 9 5 x 16 60 R I 10 x 1 6 60 R 68032 64593 4 56 6 50 x 16T 7 00 x 15 10 0 x 16 5 3968032 64593 50354 A 4 56 7 50 x 16 7 50 x 160 R 3968031 64693 I 4 56 8 00 x 19 5 8 x 19 50 R 7 00 x 18 I 3968030 64593 I I 4 57 G78 x 15 G78 x 150 R 8 x 16 50 R I H78 x 15 H78 x 150 R 68030 64593 05497 4 57 8 00 x 16 5 6 50 x 16P 3968030 64593 50362 4 57 E78 x 15 F78 x 14 7 00 x 140 R 68031 64593 05497 4 57 C78 x 14 68032 64693 05497 I 4 57 E78 x 150 R F78 x 140 R 7 00 x 14 68031 64593 I 50352 I 4 57 8 75 x 16 5 8 75 x 16 50 R 7 00 x 150 R V A 3968032 64593 I 25669 4 67 C78 x 140 R I Q 68032 64593 50362 4 57 6 60 x 16P O R 6 50 x 16T O R A 7 00 x 16 7 00 x 160 R 9 50 x 16 5 I I I 9 5 x 16 50 R 10 x 16 50 R 68032 64593 4 57 6 50 x 16T 7 00 x 15 10 0 x 16 5 68032 64593 V 50354 I 4 67 7 50 x 16 I 68031 64593 50354 4 57 7 50 x 160 R 68031 64693 Q 4 57 8 00 Vx 19 5 8 x 19 50 R 68030 64593 I I 4 57 7 00 x 18 68032 64593 26673 I I V I I I I I V I I I I I J GM PARTS DIVISION GENERAL MOTORSVCORPORATION CHEVROLET 72TL 4 337 4 337 I 4 84 REV 5 79