At the end of the year, he won the 20th edition of the United States Formula Ford Festival.

In the 1996 SCCA Pro Racing World Challenge, he finished second in the championship behind Almo Coppelli.

Soon after, he began participating in both Grand-Am Road Racing and American Le Mans Series events.

Lewis drove extensively in the Rolex Sports Car Series for the Southard Motorsports Daytona Prototype team, while in American Le Mans he drove for a variety of teams, mostly in GT classes.

He secured a total of three race victories between the two series, including the 2013 24 Hours of Daytona in the GX class.