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Quick Change Gear Sets

Winters Quick Change Gear Ratio Chart
4.11 R&P Ratio
(9-37 Teeth)
4.57 R&P Ratio
(7-32 Teeth)
4.86 R&P Ratio
(7-34 Teeth)
Gear Set #
Low Spur Gear
High Spur Gear
No. of Teeth
Low/High
Low/High
Low/High
1
2
5
15A
15
26
6
25
12
7
7A
17
17A
8A
8
19
9A
9
11
3
13
18
18A
4A
20A
4
20
22
16
10
10A
34A
34
14
14A
35
32
32A
24
36
37
23
21
21A
27
43
28
28A
29
39
30
40
41
31
33A
33
31A
30A
50
51
52
53
54
55
56
57
58
1.00
0.96
0.96
0.95
0.95
0.93
0.92
0.90
0.89
0.88
0.87
0.86
0.85
0.85
0.84
0.84
0.83
0.82
0.81
0.80
0.80
0.79
0.79
0.78
0.78
0.77
0.76
0.76
0.75
0.73
0.73
0.72
0.72
0.71
0.71
0.70
0.70
0.70
0.69
0.68
0.67
0.67
0.65
0.65
0.64
0.64
0.63
0.63
0.62
0.62
0.61
0.61
0.61
0.60
0.59
0.58
0.58
0.57
0.57
0.56
0.56
0.55
0.55
0.55
0.54
0.53
0.53
1.00
1.03
1.04
1.05
1.05
1.07
1.08
1.10
1.11
1.13
1.14
1.15
1.16
1.17
1.18
1.19
1.20
1.21
1.22
1.24
1.25
1.26
1.27
1.28
1.29
1.29
1.30
1.32
1.33
1.35
1.36
1.37
1.38
1.39
1.40
1.41
1.42
1.43
1.45
1.47
1.48
1.50
1.52
1.53
1.54
1.56
1.57
1.59
1.59
1.61
1.62
1.63
1.65
1.67
1.69
1.70
1.71
1.73
1.75
1.76
1.78
1.79
1.80
1.81
1.82
1.87
1.88
21/21
27/28
24/25
21/22
19/20
27/29
23/25
20/22
26/29
23/26
21/24
26/30
24/28
23/27
22/26
21/25
25/30
19/23
22/27
25/31
20/25
23/29
22/28
18/23
21/27
24/31
20/26
19/25
18/24
17/23
22/30
16/22
21/29
23/32
20/28
17/24
19/27
23/33
20/29
17/25
21/31
22/23
19/29
15/23
22/34
16/25
19/30
17/27
15/24
18/29
16/26
19/31
17/28
21/35
16/27
20/34
21/36
15/26
20/35
17/30
18/32
19/34
20/36
16/29
17/31
16/30
17/32
4.11 / 4.11
3.96 / 4.26
3.95 / 4.28
2.92 / 4.31
3.91 / 4.33
3.83 / 4.41
3.78 / 4.46
3.74 / 4.52
3.68 / 4.58
3.63 / 4.64
3.58 / 4.69
3.54 / 4.76
3.52 / 4.80
3.50 / 4.82
3.48 / 4.85
3.54 / 4.89
3.42 / 4.93
3.39 / 4.97
3.35 / 5.04
3.31 / 5.10
3.29 / 5.14
3.26 / 5.18
3.23 / 5.23
3.21 / 5.26
3.21 / 5.30
3.18 / 5.31
3.16 / 5.34
3.12 / 5.41
3.08 / 5.48
3.04 / 5.56
3.01 / 5.60
2.99 / 5.65
2.98 / 5.68
2.95 / 5.72
2.93 / 5.76
2.91 / 5.80
2.89 / 5.85
2.87 / 5.89
2.83 / 5.96
2.80 / 6.04
2.78 / 6.07
2.74 / 6.17
2.70 / 6.27
2.68 / 6.30
2.66 / 6.35
2.63 / 6.42
2.60 / 6.49
2.59 / 6.53
2.57 / 6.58
2.55 / 6.62
2.53 / 6.68
2.52 / 6.71
2.50 / 6.77
2.47 / 6.85
2.44 / 6.94
2.42 / 6.99
2.40 / 7.05
2.37 / 7.12
2.35 / 7.19
2.33 / 7.25
2.31 / 7.30
2.29 / 7.35
2.28 / 7.39
2.27 / 7.45
2.25 / 7.49
2.19 / 7.70
2.18 / 7.74
4.57 / 4.57
4.41 / 4.71
4.39 / 4.75
4.36 / 4.79
4.34 / 4.80
4.25 / 4.91
4.20 / 4.97
4.15 / 5.03
4.10 / 5.10
4.04 / 5.15
4.00 / 5.22
3.96 / 5.27
3.92 / 5.33
3.89 / 5.36
3.87 / 5.40
3.84 / 5.44
3.81 / 5.48
3.78 / 5.53
3.72 / 5.61
3.69 / 5.67
3.66 / 5.71
3.62 / 5.76
3.59 / 5.82
3.58 / 5.84
3.56 / 5.90
3.54 / 5.90
3.52 / 5.94
3.47 / 6.01
3.43 / 6.09
3.38 / 6.18
3.35 / 6.23
3.32 / 6.28
3.31 / 6.31
3.28 / 6.36
3.26 / 6.40
3.24 / 6.45
3.22 / 6.49
3.19 / 6.56
3.15 / 6.63
3.11 / 6.72
3.10 / 6.75
3.05 / 6.86
2.99 / 6.98
2.98 / 7.01
2.96 / 7.06
2.92 / 7.14
2.89 / 7.22
2.88 / 7.26
2.86 / 7.31
2.84 / 7.36
2.81 / 7.43
2.80 / 7.46
2.77 / 7.53
2.74 / 7.62
2.71 / 7.71
2.69 / 7.77
2.67 / 7.83
2.64 / 7.92
2.61 / 8.00
2.59 / 8.06
2.57 / 8.12
2.55 / 8.18
2.54 / 8.23
2.52 / 8.28
2.51 / 8.33
2.44 / 8.57
2.43 / 8.60
4.86 / 4.86
4.68 / 5.04
4.66 / 5.07
4.64 / 5.09
4.63 / 5.10
4.52 / 5.23
4.47 / 5.28
4.42 / 5.35
4.36 / 5.42
4.30 / 5.49
4.23 / 5.54
4.19 / 5.64
4.17 / 5.67
4.14 / 5.71
4.11 / 5.75
4.08 / 5.78
4.05 / 5.83
4.01 / 5.88
3.96 / 5.97
3.92 / 6.03
3.89 / 6.08
3.85 / 6.13
3.82 / 6.19
3.80 / 6.21
3.79 / 6.27
3.76 / 6.28
3.75 / 6.32
3.69 / 6.39
3.65 / 6.48
3.59 / 6.58
3.56 / 6.63
3.53 / 6.68
3.52 / 6.71
3.50 / 6.76
3.47 / 6.81
3.44 / 6.86
3.42 / 6.90
3.39 / 6.97
3.35 / 7.04
3.30 / 7.15
3.29 / 7.19
3.24 / 7.29
3.20 / 7.42
3.17 / 7.45
3.15 / 7.52
3.11 / 7.59
3.08 / 7.68
3.06 / 7.72
3.04 / 7.78
3.02 / 7.83
2.99 / 7.91
2.89 / 7.93
2.95 / 8.00
2.92 / 8.10
2.88 / 8.20
2.85 / 8.26
2.84 / 8.34
2.80 / 8.42
2.77 / 8.50
2.75 / 8.57
2.73 / 8.64
2.71 / 8.69
2.69 / 8.75
2.68 / 8.81
2.66 / 8.86
2.59 / 9.11
2.58 / 9.15

Note: Gear Set Numbers 50 Through 58 Are used For Limited Horsepower Race Cars

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

     

 

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