Alternator* Rotor RPM Chart
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Example:    Using The Chart Below Determine The Pulley Ratio
7.25” Crankshaft Pulley
2.40” Alternator Pulley

3.02 Pulley Ratio

1,500 (eng rpm) x 3.02 = 4,530 (alt rpm)

*Note: This Chart Can Be Used For Any Belt Driven Accessory