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  1. Sledding - General Discussion
    For the fourth year in a row, a Skidoo snowmobile powered by the Rotax 600 ACE engine has won the SAE Clean Snowmobile Challenge in Houghton, MI. This year was our chance to shine with our turbo Miller cycle lean-burn MXZ Sport 600 ACE. SUNY Buffalo's turbo diesel-powered Polaris was...
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