switch the pulleys and then make a foot pedal out of a old barn hinge and cable i ran one in the imow class its a blast they actually hold the nationals here in ohio in Mansfield.here is one of the yahoo groups i belong to that has all the rules and stuff
http://sports.groups.yahoo.com/group/USLMRA/
this is the offical website or the series
http://letsmow.com/ good luck and have fun its a blast