Eaton RPM calculator

Engine RPM:

Blower RPM

Blower pulley

- - Find Value - - 3.65 (stock 03 Cobra) 3.4 (stock Harley Davidson) 3.2 3.1 3.0 2.93 (stock Lightning) 2.9 2.8 2.81 2.76 2.75  

Crank pulley:

- - Find Value - - 7.4 (stock Lightning) 7.5 (stock 03 Cobra) 8.0 (+2 lbs) 8.5 (+4 lbs) 9.02 (+6 lbs)  

Result: