I am curious about the 1968 OMC race motor which some of the factory guys used to call the 'O.S.S'. This motor bridged the gap between the GT10s and the KC13R. I believe there were only a handful made for factory drivers but I think a couple wound up out in the general racing public (I saw someone run one at the mod 90 nationals in Sioux City, Nebraska in 1977). I am particularly interested in the exhaust stack design (which looked like a couple of steel tubes that were aimed straight down and still fit under the shroud) and any other interesting mods. Does anyone have any first hand knowledge of this engine? Does anyone have an engine they can take some photos of?
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