u could always just go with a accelerater cable and eliminate the rod, which has always been a Pain to modify...all thats necessary is grabbing another pedal of a different similar vehicle that used a cable type accelerator linkage and drill I think it was 3 holes, and make a small easy custom plate to hold the cable in place...geez...that seems like a bad explanation...i'm gonna find something better.
here we go...
http://www.kastang.net/cablethrottle.html
