CHELMSFORD, Mass. — Doug Elkins visits with 17-time ISMA feature winner and 2017 series champion Jon McKennedy, who talks about his full-time career driving and maintaining asphalt modifieds and a winged supermodified. McKennedy has several ISMA / MSS races on his schedule this season and he lets us know where he’ll be running the No. 79 winged super first, and his take on the ISMA / MSS merger.
