UPPER SETS

GEAR

TOOTH

YOUR TRANSFER

RATIO

COUNT

CASE RATIO IS

1 TO 1

32/32

2.42

2.42

1.032

31/32

2.50

2.35

1.065

31/33

2.58

2.27

1.100

30/33

2.66

2.20

1.133

30/34

2.74

2.14

1.172

29/34

2.84

2.07

1.207

29/35

2.92

2.01

1.250

28/35

3.03

1.94

1.286

28/36

3.11

1.88

1.333

27/36

3.23

1.82

1.370

27/37

3.32

1.77

1.420

26/37

3.44

1.70

1.462

26/38

3.54

1.520

25/38

3.68

1.560

25/39

3.78

1.625

24/39

3.93

1.667

24/40

4.04

UNDERDRIVE

OVERDRIVE

LOWER SETS

RATIO

TOOTH COUNT

RATIO

TOOTH COUNT

1 TO 1

33/33

2.421

19/46

1.640

25/41

2.824

17/48

Upper Set x Lower Set x Rear Ends ( x Any Transmission Ratio) = Overall Ratio