Hey guys if your looking for a test and tune pull come out to this, Really no rules other than hitch height and weight. Here is a link to the site. I pulled here last year, it was a good time and went pretty fast with two sleds.
http://www.bellevuerodeo.com/BellevueHorsemensClub/TruckTractorPullSeptember18th2009/tabid/82/Default.aspx
http://www.bellevuerodeo.com/BellevueHorsemensClub/TruckTractorPullSeptember18th2009/tabid/82/Default.aspx