Speedometer Pinion Gear Chart
Contributed by Steve Knickerbocker
Source: 1972 Dodge FSM
Speedometer Pinion Gear Chart
All Car Lines - All Transmissions
Number of Teeth on Pinion Gear Listed Under Each Axle
Tire
Size 2.45 2.71 2.76 2.93 2.94 3.21 3.23 3.54 3.55 3.91 4.10
B78x14 27 29 30 32 32 35 35 38 38 42 44
C78x14 26 29 29 31 31 34 34 37 37 41 43
D78x14 26 28 29 31 31 33 34 37 37 41 43
E78x14 25 28 28 30 30 33 33 36 36 40 42
F78X14 25 27 28 30 30 32 33 36 36 39 41
G78x14 24 27 27 29 29 32 32 35 35 39 40
H78x14 24 26 26 28 28 31 31 34 34 37 39
F78x15 24 27 27 29 29 31 32 35 35 38 40
G78x15 24 26 27 28 28 31 31 34 34 38 39
H78x15 26 26 28 28 30 30 33 33 37 38
J78x15 25 26 27 27 30 30 33 33 36 38
L84x15 25 25 27 27 29 29 32 32 35 37
E70x14 26 28 29 31 31 34 34 37 37 41 43
F70x14 25 28 28 30 30 33 33 36 36 40 42
G70x14 25 27 28 30 30 32 33 36 36 39 41
H70x15 24 26 26 28 28 31 31 34 34 37 39
E60X15 25 28 28 30 30 33 33 36 37 40 42
F60x15 25 28 28 30 30 33 33 36 36 40 42
G60x15 25 27 28 29 29 32 32 35 35 39 41
6.45x14 26 29 29 31 31 34 34 37 38 42 44
6.95x14 25 28 29 30 30 33 33 37 37 41 42
7.35x14 25 27 28 30 30 32 33 36 36 40 42
7.75x14 27 28 29 29 32 32 35 35 39 41
8.25x14 24 27 27 29 29 32 32 35 35 38 40
8.55x14 24 26 26 28 28 31 31 34 34 37 39
7.75x15 24 27 28 29 29 32 32 35 35 39 41
8.25x15 24 26 27 28 29 31 31 34 34 38 40
8.55x15 26 26 28 28 31 31 34 34 37 39
8.90x15 24 25 25 28 28 30 30 33 35
9.00x15 24 25 26 26 29 29 32 32 35 37
9.15x15 25 26 27 27 30 30 33 33 36 38
Note: Pinions with less than 26 teeth require a different adapter than the one used for
all other pinions. |
