I want to further explain our system. We went this way to promote passes and a good race show for the crowd. If you start the fastest mowers in the front it becomes follow the leader. If you do a set invert people "sandbag" to get put up front. But with points on the line in the heats and only a possibility of an invert the field races hard during the heats and 3/4 of the time there is a invert at least up front. (I misstated - chips are 1, 2, 3 and 4) Almost every class has 2 or more heats. An inverted field of 2 heats puts first heat on the inside and 2cd heat on outside with finishing positions. On an invert we do the same then do an invert. with three heats the first 3 positions are the winners of the heats in order (1st heat gets pole, 2cd heat winner outside pole, 3 heat winner starts 3rd, 2cd place 1st heat starts 4 and so on). Then if needed the invert. Promotes excellent racing and plenty of passes.
Lester