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 Engine Belt Chart

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Belt Suggestion

Street and Strip  (Less than 15% OD):  1/2 Pitch

Competition (Less than 35% OD): 8mm Rubber

Competition (Over 35% OD): 8mm Carbon, 13.9mm & 14mm

To find the proper belt for your application, you must know the following:

  • The make and model of the engine

  • The style of pulleys (1/2 pitch, 8mm, 14mm, etc...)

  • The total tooth count of both Upper and lower pulleys

  • The center to center distance between the upper and lower blower pulley

If you do not have a complete standard BDS blower system, you will need to measure the center to center distance from the drive snout on the blower to the crankshaft of the engine. Look at the Belt Chart to find a measurement that comes closest to your measurement. If you cannot decide which belt will work for your application, we suggest calling our tech Department.

Locate your engine and belt style in the chart below. The chart will find a total teeth range for a specific belt length.

This chart will enable you to correctly determine the belt length required for a specific engine and pulley combination utilizing standard BDS blower systems. These charts may not be accurate for custom blower systems and systems not manufactured by BDS.

ENGINE

CENTER TO CENTER

1/2 PITCH

8mm

13.9/14mm

AMC (all)

19.00"

61-68 TEETH=555H300

112-117 TEETH=14408M75

Special Order

BUICK V6

19.00"

61-68 TEETH=555H300

112-117 TEETH=14408M75

Special Order

BUICK V8

19.50"

60-67 TEETH=570H300

103-110 TEETH=14408M75

Special Order

CHEVROLET

229-292 V6

17.60"

65-71 TEETH=540H300

86-90 TEETH=12808M75

62-68 TEETH=140014M75

265-400 V8

17.60"

65-71 TEETH=540H300

123-133 TEETH=14408M75

62-68 TEETH=140014M75

96-112 TEETH=13608M75

W/Intercooler

21.60"

60-64 TEETH=600H300

116-122 TEETH=16008M75

68-71 TEETH=161014M75

396-464 V8

Street Intake

19.06"

68-74 TEETH=570H300

112-117 TEETH=14408M75

75-81 TEETH=1543-75HT

14MM SPECIAL ORDER

W/Tall Back Spcrs

23.06"

64-69 TEETH=570H300

97-109 TEETH=14408M75

71-77 TEETH=1543-75HT

W/intercooler

60-67 TEETH=630H300

95-106 TEETH=16008M75

13.9MM N/A

74-80 TEETH=660H300

139-140 TEETH=17608M75

55-60 TEETH=161014M75

Comp Std Deck

19.70"

63-69 TEETH=570H300

97-107 TEETH=14408M75

72-78 TEETH=1543-75HT

73-85 TEETH=161014M75

W/intercooler

23.70"

69-75 TEETH=660H300

88-97 TEETH=14408M75

51-54 TEETH=161014M75

128-138 TEETH=17608M75

63-67 TEETH=1543-75HT

Comp Tall Deck

20.30"

64-69 TEETH=585H300

91-100 TEETH=14408M75

63-75 TEETH=1543-75HT

132-140 TEETH=16008M75

68-76 TEETH=161014M75

W/intercooler

24.30"

62-68 TEETH=660H300

86-89 TEETH=16008M75

59-65 TEETH=169414M75

119-131 TEETH=17608M75

68-76 TEETH=177814M75

CHRYSLER

318,360,392 HEMI

19.50"

66-72 TEETH=570H300

102-110 TEETH=14408M75

65-74 TEETH=1543-75HT

426 HEMI

18.89"

70-76 TEETH=570H300

112-119 TEETH=14408M75

73-80 TEETH=1543-75HT

440

18.25"

61-68 TEETH=570H300

121-127 TEETH=14408M75

77-84 TEETH=1543-75HT

FORD

289,302,351W

20.25"

66-73 TEETH=585H300

92-103 TEETH=14408M75

63-73 TEETH=1543-75HT

351C

19.65"

64-71 TEETH=570H300

106-112 TEETH=14408M75

71-76 TEETH=1543-75HT

460 Street

21.50"

65-70 TEETH=660H300

125-133 TEETH=16008M75

Special Order

#8456-8

20.65"

61-67 TEETH=585H300

86-96 TEETH=14408M75

13.9MM N/A

129-137 TEETH=16008M75

74-78 TEETH=161014M75

W/Intercooler

24.65"

60-65 TEETH=660H300

116-127 TEETH=17608M75

13.9MM N/A

76-82 TEETH=700H300

62-72 TEETH=177814M75

Comp

25.50"

65-70 TEETH=660H300

114-125 TEETH=17608M75

Special Order

OLDSMOBLIE

350-455

19.75"

61-68 TEETH=570H300

100-107 TEETH=14408M75

Special Order

PONTIAC

350-455

17.17"

60-64 TEETH=510H300

93-100 TEETH=12808M75

Not Available

72-78 TEETH=540H300

134-140 TEETH=14408M75

 

Belt Length Chart
* Chart #'s represent the Maximum tooth count of the top and bottom sprockets.
* An allowance of 2-3 teeth less should be used to allow removal of the belt and have the slack taken up by the idler.
Belt Number and Pitch
 
1400
100T
14mm
 
1440
180T
8mm
 
1543
111T
13.9mm
 
1568
112T
14mm
 
1595
145T
11mm
 
1600
200T
8mm
 
1610
115T
14mm
 
1694
121T
14mm
 
1705
155T
11mm
 
1750
125T
14mm
 
1778
127T
14mm
 
1792
224T
8mm
 
1890
135T
14mm
 
 
Inches
55.12
56.69
60.75
61.73
62.79
62.99
63.39
66.69
67.13
68.90
70.00
70.55
74.41
17.00
76
144
97
100
                  
17.25
74
140
95
98
                  
17.50
73
137
93
97
                  
17.75
71
134
92
95
                  
18.00
69
131
90
93
    
99
            
18.25
67
128
88
91
    
97
            
18.50
65
125
86
89
    
95
            
18.75
63
121
84
87
    
93
            
19.00
62
118
82
86
    
92
            
19.25
60
115
81
84
    
90
            
19.50
58
112
79
82
110
  
88
            
19.75
56
109
77
80
108
149
86
98
          
20.00
54
106
75
78
105
146
84
96
          
20.25
53
102
73
77
103
142
83
95
          
20.50
51
99
71
75
101
139
81
93
          
20.75
  
96
70
73
98
136
79
91
  
99
      
21.00
  
93
68
71
96
133
77
89
  
97
      
21.25
  
90
66
69
94
130
75
87
  
95
99
    
21.50
  
86
64
67
91
126
73
85
111
93
97
    
21.75
    
62
66
89
123
72
84
109
92
96
    
22.00
    
60
64
87
120
70
82
107
90
94
168
  
22.25
    
59
62
84
117
68
80
104
88
92
165
  
22.50
    
57
60
82
114
66
78
102
86
90
162
  
22.75
    
55
58
80
111
64
76
100
84
88
159
  
23.00
    
53
57
78
107
63
75
98
83
87
155
  
23.25
    
51
55
75
104
61
73
95
81
85
152
  
23.50
      
53
73
101
59
71
93
79
83
149
99
23.75
      
51
71
98
57
69
91
77
81
146
97
24.00
        
68
95
55
67
88
75
79
143
95
24.25
        
66
92
54
66
86
74
78
140
94
24.50
        
64
88
52
64
84
72
76
136
92
24.75
        
61
  
50
62
81
70
74
133
90
25.00
        
59
    
60
79
68
72
130
88
25.25
              
58
77
66
70
127
86
25.50
              
56
74
64
68
124
84
25.75
              
55
72
63
67
120
83
26.00
              
53
70
61
65
117
81
26.25
              
51
68
59
63
114
79
26.50
                
65
57
61
111
77
26.75
                
63
55
59
108
75
27.00
                
61
54
57
105
74
27.25
                
58
52
56
101
72
27.50
                  
50
54
98
70
27.75
                    
52
95
68
28.00
                    
50
92
66

 

 Click here to a downloaded .pdf file of above chart

 

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