1970 TRUCK SPEEDOMETER GEAR CHART CONT 4 337 4 343 4 330 A REAR GEAR GEAR 4329 KEY AXLE REAR TIRE SIZE SPEEDO SPEEDOI ADAPTER SPEED0 RATIO DRIVEN DRIVE s EE ADAPTER MUNCIE 4 SPEED W BRAKE 4 10 8 75 x 16 5 8 75 x 16 5 O R 3866917 3866742 4 10 6 50 x 16T 3866795 3866663 6451930 867209 4 10 7 50 x 16 7 50 x 16 O R 3866798 3866742 4 10 7 00 x 16 9 50 x 16 5 7 00 x 16 O R 9 5 x 16 5 O R 3866799 3866742 4 10 8 00 x 19 5 3866799 3866742 1584278 867209 4 10 8 x 19 5 O R 7 00 x 18 3866919 3866742 6451928 867209 4 57 8 75x 16 5 6 50x 16T 1B 75x 16 5 O R 3866919 3866742 4 57 7 50 x 16 7 50 x 16 O R 3866917 3866742 4 57 7 00 x 16 9 50 x 16 5 7 00 x 16 O R 9 5 x 16 5 O R 3866918 3866742 4 57 8 00 x 19 5 8 x 19 5 O R 7 00 x 18 3866799 3866742 5 14 8 75 x 16 5 6 50 x 16T 3866794 3866663 5 14 7 50 x 16 3866917 3866742 1585657 867209 5 14 7 00 x 16 3866918 3866742 1585657 867209 5 14 7 00 x 16 O R 7 50 x 16 O R 3866793 3866663 5 14 7 00 x 18 3866797 3866663 6451930 867209 NEW PROCESS 4 SPEED W BRAKE 4 10 8 75 x 16 5 3756913 2480048 1584274 867209 4 10 6 50 x 16T 7 00 x 16 8 75 x 16 5 O R 9 5 x 16 5 O R 3756911 2480048 4 10 7 50 x 16 7 50 x 16 O R 3756911 2480048 1584274 867209 4 10 8 00 x 19 5 7 00 x 18 3756911 2480048 1584278 867209 4 10 8 x 19 5 O R I 3756913 2480048 1565452 867209 4 10 9 50 x 16 5 3756915 2480048 1565452 867209 4 10 7 00 x 16 O R 3756913 2480048 1584278 867209 4 57 8 75 x 16 5 6 50 x 16T I 3756911 2480048 1585657 867209 4 57 7 50 x 16 3756917 2480048 1565452 867209 4 57 7 00 x 16 9 50 x 16 5 7 00 x 16 O R 9 5 x 16 5 O R 7 50 x 16 O R 3756913 2480048 4 57 8 00 x 19 5 3756917 2480048 6451930 867209 4 57 8 x 19 5 0 R 7 00 x 18 3756911 2480048 4 57 8 75 x 16 5 O R 3756915 2480048 5 14 8 75 x 16 5 6 50 x 16T 8 75 x 16 5 O R 9 5 x 16 5 0 R 3756917 2480048 5 14 7 50 x 16 7 00 x 16 O R 7 50 x 16 O R 3756915 2480048 5 14 7 00 x 16 9 50 x 16 5 3756913 2480048 1585657 867209 5 14 8 00 x 19 5 8 x 19 5 0 R 3756913 2480048 5 14 7 00 x 18 3756915 2480048 1584274 867209 CLARK 5 SPEED 280 SERIES 4 86 7 50 x 20 8 25 x 20 O R 3918805 3918804 6451928 867209 4 86 8 25 x 20 3918805 3918804 6451930 867209 4 86 7 50 x 20 0 R 3918805 3918804 1565452 867209 4 86 9 00 x 20 9 00 x 20 O R 10 00 x 20 3918805 3918804 6451929 867209 5 57 7 50 x 20 8 25 x 20 8 25 x 20 0 R 3918805 3918804 1584278 867209 5 57 7 50 x 20 0 R 3918805 2918804 1584274 867209 5 57 9 00 x 20 9 00 x 20 O R 10 00 x 20 3918805 3918804 1565452 867209 6 14 7 50 x 20 7 50 x 20 O R 8 25 x 20 O R 3918805 3918804 6 14 8 25 x 20 9 00 x 20 9 00 x 20 O R 3918805 3918804 1584274 867209 6 14 10 00 x 20 3918805 3918804 1584278 867209 6 17 7 50 x 20 7 50 x 20 O R 8 25 x 20 O R 3918805 3918804 6 17 8 25 x 20 9 00 x 20 9 00 x 20 0 R 3918805 3918804 1584274 867209 6 17 10 00 x 20 3918805 3918804 1584278 867209 6 50 8 25 x 20 9 00 x 20 9 00 x 20 O R 3918805 3918804 1971 CHEVROLET MOTOR DIVISION GENERAL MOTORS CORPORATION P A 315 t REV 6 71 4 87 4 337 4 337