What is the effective diameter of the stock crank pulley? Doing some quick blower math. Thanks
Dec 20, 2013 #1 S spdracr0 New Member Established Member Joined May 28, 2011 Messages 283 Location SC What is the effective diameter of the stock crank pulley? Doing some quick blower math. Thanks
Dec 20, 2013 #2 REDS197 Member Established Member Joined Apr 11, 2013 Messages 157 Location Denver Crank Pulley-----TVS Pulley---------RPM Ratio-------RPM@7500 6.78----------72mm-2.8 inch----------2.4-------------18000 ---------------69mm-2.7 inch----------2.5-------------18750 7.88----------72mm-2.8 inch----------2.8-------------21000 ---------------69mm-2.7 inch----------2.9-------------21750
Crank Pulley-----TVS Pulley---------RPM Ratio-------RPM@7500 6.78----------72mm-2.8 inch----------2.4-------------18000 ---------------69mm-2.7 inch----------2.5-------------18750 7.88----------72mm-2.8 inch----------2.8-------------21000 ---------------69mm-2.7 inch----------2.9-------------21750