Adding a manufacturing facility here will make it easier to connect with American customers, RBW CEO Peter Swain said.

AC Cars's new Cobra made its U.S. debut in early March in Miami. Just don't call it a Shelby.

Cars.com's American-Made Index ranks the "most American" cars and one brand has topped the list consistently for the last several years.

The move gives one fresh tweak to what has been a fairly stable schedule for IMSA, and Road America enjoys a return to its roots.