Long-Time AMSOIL Dealer Tells His Success Story Dealer Jim Knudsen of Brainerd, Minn. has more than 40 years of experience with AMSOIL. In 1975, Dave Lingwall, one of the company’s first Dealers, asked Knudsen to try AMSOIL motor oil. “I was fresh out of college and working in the bank that Dave used,” Knudsen said. […]
