The Southern Ontario Sprints (SOS) have announced a two year phase in for changing from 360 c.i. engines to 410's. They are also changing specs for the RR tire and will use the WoO tire. The article says that they believe if their teams were used to the WoO rubber and had 410's that they would beat Schatz & Co. :eek::rolling www.dirttrackdigest.com