Ballou does run Don Ott engines. Since the beginning of the year, Don Ott and Rider Engines have had some "experimental" 410 engines that sound different than other engines. Ballou has had access to the experimental Ott engine a few times this year. It has been used in the wingless car and also winged cars in central PA. They seem to be higher compression than "normal", definitely can run a few hundred rpm's higher than what we have been seeing the last few years. The down side to them is they do not have a very long life before rebuilds. But when set up properly, they have been fast!
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