By 1937, all Harley-Davidson flathead engines were equipped with dry-sump oil recirculation programs much like the a person introduced from the "Knucklehead" OHV engine. When I read DRT, my intellect mechanically translates it to 'DIRT' Using and until finally a few years ago, Harley-Davidson and Dust riding in just https://danielt579wuq8.wizzardsblog.com/profile