Mick’s Performance
573-634-9990
Percentage of Crankshaft Speed on an 8mm Overdrive Chart
Crankshaft Sprocket Tooth Count (side column) Blower Sprocket Tooth Count (top row)
|
|
60
|
59
|
58
|
57
|
56
|
55
|
54
|
53
|
52
|
51
|
50
|
49
|
48
|
47
|
46
|
45
|
44
|
43
|
42
|
|
54
|
|
|
|
|
|
|
0.0
|
1.9
|
3.8
|
5.9
|
8.0
|
10.2
|
12.5
|
14.9
|
17.4
|
20.0
|
22.7
|
25.6
|
28.6
|
|
55
|
|
|
|
|
|
0.0
|
1.9
|
3.8
|
5.8
|
7.8
|
10.0
|
12.2
|
14.6
|
17.0
|
19.6
|
22.2
|
25.0
|
27.9
|
31.0
|
|
56
|
|
|
|
|
0.0
|
1.8
|
3.7
|
5.7
|
7.7
|
9.8
|
12.0
|
14.3
|
16.7
|
19.1
|
21.7
|
24.4
|
27.3
|
30.2
|
33.3
|
|
57
|
|
|
|
0.0
|
1.8
|
3.6
|
5.6
|
7.5
|
9.6
|
11.8
|
14.0
|
16.3
|
18.8
|
21.3
|
23.9
|
26.7
|
29.5
|
32.6
|
35.7
|
|
58
|
|
|
0.0
|
1.8
|
3.6
|
5.5
|
7.4
|
9.4
|
11.5
|
13.7
|
16.0
|
18.4
|
20.8
|
23.4
|
26.1
|
28.9
|
31.8
|
34.9
|
38.1
|
|
59
|
|
0.0
|
1.7
|
3.5
|
5.4
|
7.3
|
9.3
|
11.3
|
13.5
|
15.7
|
18.0
|
20.4
|
22.9
|
25.5
|
28.3
|
31.1
|
34.1
|
37.2
|
40.5
|
|
60
|
0.0
|
1.7
|
3.4
|
5.3
|
7.1
|
9.1
|
11.1
|
13.2
|
15.4
|
17.6
|
20.0
|
22.4
|
25.0
|
27.7
|
30.4
|
33.3
|
36.4
|
39.5
|
42.9
|
|
61
|
1.7
|
3.4
|
5.2
|
7.0
|
8.9
|
10.9
|
13.0
|
15.1
|
17.3
|
19.6
|
22.0
|
24.5
|
27.1
|
29.8
|
32.6
|
35.6
|
38.6
|
41.9
|
45.2
|
|
62
|
3.3
|
5.1
|
6.9
|
8.8
|
10.7
|
12.7
|
14.8
|
17.0
|
19.2
|
21.6
|
24.0
|
26.5
|
29.2
|
31.9
|
34.8
|
37.8
|
40.9
|
44.2
|
47.6
|
|
63
|
5.0
|
6.8
|
8.6
|
10.5
|
12.5
|
14.5
|
16.7
|
18.9
|
21.2
|
23.5
|
26.0
|
28.6
|
31.3
|
34.0
|
37.0
|
40.0
|
43.2
|
46.5
|
50.0
|
|
64
|
6.7
|
8.5
|
10.3
|
12.3
|
14.3
|
16.4
|
18.5
|
20.8
|
23.1
|
25.5
|
28.0
|
30.6
|
33.3
|
36.2
|
39.1
|
42.2
|
45.5
|
48.8
|
52.4
|
|
65
|
8.3
|
10.2
|
12.1
|
14.0
|
16.1
|
18.2
|
20.4
|
22.6
|
25.0
|
27.5
|
30.0
|
32.7
|
35.4
|
38.3
|
41.3
|
44.4
|
47.7
|
51.2
|
54.8
|
|
66
|
10.0
|
11.9
|
13.8
|
15.8
|
17.9
|
20.0
|
22.2
|
24.5
|
26.9
|
29.4
|
32.0
|
34.7
|
37.5
|
40.4
|
43.5
|
46.7
|
50.0
|
53.5
|
57.1
|
|
67
|
11.7
|
13.6
|
15.5
|
17.5
|
19.6
|
21.8
|
24.1
|
26.4
|
28.8
|
31.4
|
34.0
|
36.7
|
39.6
|
42.6
|
45.7
|
48.9
|
52.3
|
55.8
|
59.5
|
|
68
|
13.3
|
15.3
|
17.2
|
19.3
|
21.4
|
23.6
|
25.9
|
28.3
|
30.8
|
33.3
|
36.0
|
38.8
|
41.7
|
44.7
|
47.8
|
51.1
|
54.5
|
58.1
|
61.9
|
|
69
|
15.0
|
17.0
|
19.0
|
21.1
|
23.2
|
25.5
|
27.8
|
30.2
|
32.7
|
35.3
|
38.0
|
40.8
|
43.8
|
46.8
|
50.0
|
53.3
|
56.8
|
60.5
|
64.3
|
|
70
|
16.7
|
18.6
|
20.7
|
22.8
|
25.0
|
27.3
|
29.6
|
32.1
|
34.6
|
37.3
|
40.0
|
42.9
|
45.8
|
48.9
|
52.2
|
55.6
|
59.1
|
62.8
|
66.7
|
|
71
|
18.3
|
20.3
|
22.4
|
24.6
|
26.8
|
29.1
|
31.5
|
34.0
|
36.5
|
39.2
|
42.0
|
44.9
|
47.9
|
51.1
|
54.3
|
57.8
|
61.4
|
65.1
|
69.0
|
|
72
|
20.0
|
22.0
|
24.1
|
26.3
|
28.6
|
30.9
|
33.3
|
35.9
|
38.5
|
41.2
|
44.0
|
46.9
|
50.0
|
53.2
|
56.5
|
60.0
|
63.6
|
67.4
|
71.4
|
|
73
|
21.7
|
23.7
|
25.9
|
28.1
|
30.4
|
32.7
|
35.2
|
37.7
|
40.4
|
43.1
|
46.0
|
49.0
|
52.1
|
55.3
|
58.7
|
62.2
|
65.9
|
69.8
|
73.8
|
|
74
|
23.3
|
25.4
|
27.6
|
29.8
|
32.1
|
34.5
|
37.0
|
39.6
|
42.3
|
45.1
|
48.0
|
51.0
|
54.2
|
57.4
|
60.9
|
64.4
|
68.2
|
72.1
|
76.2
|
|
75
|
25.0
|
27.1
|
29.3
|
31.6
|
33.9
|
36.4
|
38.9
|
41.5
|
44.2
|
47.1
|
50.0
|
53.1
|
56.3
|
59.6
|
63.0
|
66.7
|
70.5
|
74.4
|
78.6
|
|
76
|
26.7
|
28.8
|
31.0
|
33.3
|
35.7
|
38.2
|
40.7
|
43.4
|
46.2
|
49.0
|
52.0
|
55.1
|
58.3
|
61.7
|
65.2
|
68.9
|
72.7
|
76.7
|
81.0
|
|
77
|
28.3
|
30.5
|
32.8
|
35.1
|
37.5
|
40.0
|
42.6
|
45.3
|
48.1
|
51.0
|
54.0
|
57.1
|
60.4
|
63.8
|
67.4
|
71.1
|
75.0
|
79.1
|
83.3
|
|
78
|
30.0
|
32.2
|
34.5
|
36.8
|
39.3
|
41.8
|
44.4
|
47.2
|
50.0
|
52.9
|
56.0
|
59.2
|
62.5
|
66.0
|
69.6
|
73.3
|
77.3
|
81.4
|
85.7
|
|
79
|
31.7
|
33.9
|
36.2
|
38.6
|
41.1
|
43.6
|
46.3
|
49.1
|
51.9
|
54.9
|
58.0
|
61.2
|
64.6
|
68.1
|
71.7
|
75.6
|
79.5
|
83.7
|
88.1
|
|
80
|
33.3
|
35.6
|
37.9
|
40.4
|
42.9
|
45.5
|
48.1
|
50.9
|
53.8
|
56.9
|
60.0
|
63.3
|
66.7
|
70.2
|
73.9
|
77.8
|
81.8
|
86.0
|
90.5
|
|
81
|
35.0
|
37.3
|
39.7
|
42.1
|
44.6
|
47.3
|
50.0
|
52.8
|
55.8
|
58.8
|
62.0
|
65.3
|
68.8
|
72.3
|
76.1
|
80.0
|
84.1
|
88.4
|
92.9
|
|
82
|
36.7
|
39.0
|
41.4
|
43.9
|
46.4
|
49.1
|
51.9
|
54.7
|
57.7
|
60.8
|
64.0
|
67.3
|
70.8
|
74.5
|
78.3
|
82.2
|
86.4
|
90.7
|
95.2
|
|
83
|
38.3
|
40.7
|
43.1
|
45.6
|
48.2
|
50.9
|
53.7
|
56.6
|
59.6
|
62.7
|
66.0
|
69.4
|
72.9
|
76.6
|
80.4
|
84.4
|
88.6
|
93.0
|
97.6
|
|
84
|
40.0
|
42.4
|
44.8
|
47.4
|
50.0
|
52.7
|
55.6
|
58.5
|
61.5
|
64.7
|
68.0
|
71.4
|
75.0
|
78.7
|
82.6
|
86.7
|
90.9
|
95.3
|
100.0
|
|
85
|
41.7
|
44.1
|
46.6
|
49.1
|
51.8
|
54.5
|
57.4
|
60.4
|
63.5
|
66.7
|
70.0
|
73.5
|
77.1
|
80.9
|
84.8
|
88.9
|
93.2
|
97.7
|
102.4
|
|
86
|
43.3
|
45.8
|
48.3
|
50.9
|
53.6
|
56.4
|
59.3
|
62.3
|
65.4
|
68.6
|
72.0
|
75.5
|
79.2
|
83.0
|
87.0
|
91.1
|
95.5
|
100.0
|
104.8
|