Centrifugal Supercharger Pulley Chart



Upper Pulley On Side (in Maroon)                        Lower Pulley On Top Row (in Blue)


30 31 32 33 34 35 36 37 38 39 40 41 42 43 44 45 46 47 48 49 50 51 52 53 54 55 56 57 58 59 60 61 62 63 64 65 66 67 68 69 70
30 0.03.36.710.013.316.720.023.326.730.033.336.740.043.346.750.053.356.760.063.366.770.073.376.780.083.386.790.093.396.7100.0103.3106.7110.0113.3116.7120.0123.3126.7130.0133.3
31 -3.20.03.26.59.712.916.119.422.625.829.032.335.538.741.945.248.451.654.858.161.364.567.771.074.277.480.683.987.190.393.596.8100.0103.2106.5109.7112.9116.1119.4122.6125.8
32 -6.2-3.10.03.16.29.412.515.618.821.925.028.131.234.437.540.643.846.950.053.156.259.462.565.668.871.975.078.181.284.487.590.693.896.9100.0103.1106.2109.4112.5115.6118.8
33 -9.1-6.1-3.00.03.06.19.112.115.218.221.224.227.330.333.336.439.442.445.548.551.554.557.660.663.666.769.772.775.878.881.884.887.990.993.997.0100.0103.0106.1109.1112.1
34 -11.8-8.8-5.9-2.90.02.95.98.811.814.717.620.623.526.529.432.435.338.241.244.147.150.052.955.958.861.864.767.670.673.576.579.482.485.388.291.294.197.1100.0102.9105.9
35 -14.3-11.4-8.6-5.7-2.90.02.95.78.611.414.317.120.022.925.728.631.434.337.140.042.945.748.651.454.357.160.062.965.768.671.474.377.180.082.985.788.691.494.397.1100.0
36 -16.7-13.9-11.1-8.3-5.6-2.80.02.85.68.311.113.916.719.422.225.027.830.633.336.138.941.744.447.250.052.855.658.361.163.966.769.472.275.077.880.683.386.188.991.794.4
37 -18.9-16.2-13.5-10.8-8.1-5.4-2.70.02.75.48.110.813.516.218.921.624.327.029.732.435.137.840.543.245.948.651.454.156.859.562.264.967.670.373.075.778.481.183.886.589.2
38 -21.1-18.4-15.8-13.2-10.5-7.9-5.3-2.60.02.65.37.910.513.215.818.421.123.726.328.931.634.236.839.542.144.747.450.052.655.357.960.563.265.868.471.173.776.378.981.684.2
39 -23.1-20.5-17.9-15.4-12.8-10.3-7.7-5.1-2.60.02.65.17.710.312.815.417.920.523.125.628.230.833.335.938.541.043.646.248.751.353.856.459.061.564.166.769.271.874.476.979.5
40 -25.0-22.5-20.0-17.5-15.0-12.5-10.0-7.5-5.0-2.50.02.55.07.510.012.515.017.520.022.525.027.530.032.535.037.540.042.545.047.550.052.555.057.560.062.565.067.570.072.575.0
41 -26.8-24.4-22.0-19.5-17.1-14.6-12.2-9.8-7.3-4.9-2.40.02.44.97.39.812.214.617.119.522.024.426.829.331.734.136.639.041.543.946.348.851.253.756.158.561.063.465.968.370.7
42 -28.6-26.2-23.8-21.4-19.0-16.7-14.3-11.9-9.5-7.1-4.8-2.40.02.44.87.19.511.914.316.719.021.423.826.228.631.033.335.738.140.542.945.247.650.052.454.857.159.561.964.366.7
43 -30.2-27.9-25.6-23.3-20.9-18.6-16.3-14.0-11.6-9.3-7.0-4.7-2.30.02.34.77.09.311.614.016.318.620.923.325.627.930.232.634.937.239.541.944.246.548.851.253.555.858.160.562.8
44 -31.8-29.5-27.3-25.0-22.7-20.5-18.2-15.9-13.6-11.4-9.1-6.8-4.5-2.30.02.34.56.89.111.413.615.918.220.522.725.027.329.531.834.136.438.640.943.245.547.750.052.354.556.859.1
45 -33.3-31.1-28.9-26.7-24.4-22.2-20.0-17.8-15.6-13.3-11.1-8.9-6.7-4.4-2.20.02.24.46.78.911.113.315.617.820.022.224.426.728.931.133.335.637.840.042.244.446.748.951.153.355.6
46 -34.8-32.6-30.4-28.3-26.1-23.9-21.7-19.6-17.4-15.2-13.0-10.9-8.7-6.5-4.3-2.20.02.24.36.58.710.913.015.217.419.621.723.926.128.330.432.634.837.039.141.343.545.747.850.052.2
47 -36.2-34.0-31.9-29.8-27.7-25.5-23.4-21.3-19.1-17.0-14.9-12.8-10.6-8.5-6.4-4.3-2.10.02.14.36.48.510.612.814.917.019.121.323.425.527.729.831.934.036.238.340.442.644.746.848.9
48 -37.5-35.4-33.3-31.2-29.2-27.1-25.0-22.9-20.8-18.8-16.7-14.6-12.5-10.4-8.3-6.2-4.2-2.10.02.14.26.28.310.412.514.616.718.820.822.925.027.129.231.233.335.437.539.641.743.845.8
49 -38.8-36.7-34.7-32.7-30.6-28.6-26.5-24.5-22.4-20.4-18.4-16.3-14.3-12.2-10.2-8.2-6.1-4.1-2.00.02.04.16.18.210.212.214.316.318.420.422.424.526.528.630.632.734.736.738.840.842.9
50 -40.0-38.0-36.0-34.0-32.0-30.0-28.0-26.0-24.0-22.0-20.0-18.0-16.0-14.0-12.0-10.0-8.0-6.0-4.0-2.00.02.04.06.08.010.012.014.016.018.020.022.024.026.028.030.032.034.036.038.040.0
51 -41.2-39.2-37.3-35.3-33.3-31.4-29.4-27.5-25.5-23.5-21.6-19.6-17.6-15.7-13.7-11.8-9.8-7.8-5.9-3.9-2.00.02.03.95.97.89.811.813.715.717.619.621.623.525.527.529.431.433.335.337.3
52 -42.3-40.4-38.5-36.5-34.6-32.7-30.8-28.8-26.9-25.0-23.1-21.2-19.2-17.3-15.4-13.5-11.5-9.6-7.7-5.8-3.8-1.90.01.93.85.87.79.611.513.515.417.319.221.223.125.026.928.830.832.734.6
53 -43.4-41.5-39.6-37.7-35.8-34.0-32.1-30.2-28.3-26.4-24.5-22.6-20.8-18.9-17.0-15.1-13.2-11.3-9.4-7.5-5.7-3.8-1.90.01.93.85.77.59.411.313.215.117.018.920.822.624.526.428.330.232.1
54 -44.4-42.6-40.7-38.9-37.0-35.2-33.3-31.5-29.6-27.8-25.9-24.1-22.2-20.4-18.5-16.7-14.8-13.0-11.1-9.3-7.4-5.6-3.7-1.90.01.93.75.67.49.311.113.014.816.718.520.422.224.125.927.829.6
55 -45.5-43.6-41.8-40.0-38.2-36.4-34.5-32.7-30.9-29.1-27.3-25.5-23.6-21.8-20.0-18.2-16.4-14.5-12.7-10.9-9.1-7.3-5.5-3.6-1.80.01.83.65.57.39.110.912.714.516.418.220.021.823.625.527.3
56 -46.4-44.6-42.9-41.1-39.3-37.5-35.7-33.9-32.1-30.4-28.6-26.8-25.0-23.2-21.4-19.6-17.9-16.1-14.3-12.5-10.7-8.9-7.1-5.4-3.6-1.80.01.83.65.47.18.910.712.514.316.117.919.621.423.225.0
57 -47.4-45.6-43.9-42.1-40.4-38.6-36.8-35.1-33.3-31.6-29.8-28.1-26.3-24.6-22.8-21.1-19.3-17.5-15.8-14.0-12.3-10.5-8.8-7.0-5.3-3.5-1.80.01.83.55.37.08.810.512.314.015.817.519.321.122.8
58 -48.3-46.6-44.8-43.1-41.4-39.7-37.9-36.2-34.5-32.8-31.0-29.3-27.6-25.9-24.1-22.4-20.7-19.0-17.2-15.5-13.8-12.1-10.3-8.6-6.9-5.2-3.4-1.70.01.73.45.26.98.610.312.113.815.517.219.020.7
59 -49.2-47.5-45.8-44.1-42.4-40.7-39.0-37.3-35.6-33.9-32.2-30.5-28.8-27.1-25.4-23.7-22.0-20.3-18.6-16.9-15.3-13.6-11.9-10.2-8.5-6.8-5.1-3.4-1.70.01.73.45.16.88.510.211.913.615.316.918.6
60 -50.0-48.3-46.7-45.0-43.3-41.7-40.0-38.3-36.7-35.0-33.3-31.7-30.0-28.3-26.7-25.0-23.3-21.7-20.0-18.3-16.7-15.0-13.3-11.7-10.0-8.3-6.7-5.0-3.3-1.70.01.73.35.06.78.310.011.713.315.016.7
61 -50.8-49.2-47.5-45.9-44.3-42.6-41.0-39.3-37.7-36.1-34.4-32.8-31.1-29.5-27.9-26.2-24.6-23.0-21.3-19.7-18.0-16.4-14.8-13.1-11.5-9.8-8.2-6.6-4.9-3.3-1.60.01.63.34.96.68.29.811.513.114.8
62 -51.6-50.0-48.4-46.8-45.2-43.5-41.9-40.3-38.7-37.1-35.5-33.9-32.3-30.6-29.0-27.4-25.8-24.2-22.6-21.0-19.4-17.7-16.1-14.5-12.9-11.3-9.7-8.1-6.5-4.8-3.2-1.60.01.63.24.86.58.19.711.312.9
63 -52.4-50.8-49.2-47.6-46.0-44.4-42.9-41.3-39.7-38.1-36.5-34.9-33.3-31.7-30.2-28.6-27.0-25.4-23.8-22.2-20.6-19.0-17.5-15.9-14.3-12.7-11.1-9.5-7.9-6.3-4.8-3.2-1.60.01.63.24.86.37.99.511.1
64 -53.1-51.6-50.0-48.4-46.9-45.3-43.8-42.2-40.6-39.1-37.5-35.9-34.4-32.8-31.2-29.7-28.1-26.6-25.0-23.4-21.9-20.3-18.8-17.2-15.6-14.1-12.5-10.9-9.4-7.8-6.2-4.7-3.1-1.60.01.63.14.76.27.89.4
65 -53.8-52.3-50.8-49.2-47.7-46.2-44.6-43.1-41.5-40.0-38.5-36.9-35.4-33.8-32.3-30.8-29.2-27.7-26.2-24.6-23.1-21.5-20.0-18.5-16.9-15.4-13.8-12.3-10.8-9.2-7.7-6.2-4.6-3.1-1.50.01.53.14.66.27.7
66 -54.5-53.0-51.5-50.0-48.5-47.0-45.5-43.9-42.4-40.9-39.4-37.9-36.4-34.8-33.3-31.8-30.3-28.8-27.3-25.8-24.2-22.7-21.2-19.7-18.2-16.7-15.2-13.6-12.1-10.6-9.1-7.6-6.1-4.5-3.0-1.50.01.53.04.56.1
67 -55.2-53.7-52.2-50.7-49.3-47.8-46.3-44.8-43.3-41.8-40.3-38.8-37.3-35.8-34.3-32.8-31.3-29.9-28.4-26.9-25.4-23.9-22.4-20.9-19.4-17.9-16.4-14.9-13.4-11.9-10.4-9.0-7.5-6.0-4.5-3.0-1.50.01.53.04.5
68 -55.9-54.4-52.9-51.5-50.0-48.5-47.1-45.6-44.1-42.6-41.2-39.7-38.2-36.8-35.3-33.8-32.4-30.9-29.4-27.9-26.5-25.0-23.5-22.1-20.6-19.1-17.6-16.2-14.7-13.2-11.8-10.3-8.8-7.4-5.9-4.4-2.9-1.50.01.52.9
69 -56.5-55.1-53.6-52.2-50.7-49.3-47.8-46.4-44.9-43.5-42.0-40.6-39.1-37.7-36.2-34.8-33.3-31.9-30.4-29.0-27.5-26.1-24.6-23.2-21.7-20.3-18.8-17.4-15.9-14.5-13.0-11.6-10.1-8.7-7.2-5.8-4.3-2.9-1.40.01.4
70 -57.1-55.7-54.3-52.9-51.4-50.0-48.6-47.1-45.7-44.3-42.9-41.4-40.0-38.6-37.1-35.7-34.3-32.9-31.4-30.0-28.6-27.1-25.7-24.3-22.9-21.4-20.0-18.6-17.1-15.7-14.3-12.9-11.4-10.0-8.6-7.1-5.7-4.3-2.9-1.40.0