AACA Central Spring Nationals Auburn, IN - July 1-3, 2021   We hope this gets your engines revved up!     This year promises to be our biggest and best!  The traditional show at Auburn Auction Park courtesy of RM Auctions will be held July 1-3 in Auburn, Indiana. Located on hundreds of acres of property, a LOT of asphalt and large buildings allows us to do everything we need in a year of some uncertainty due to the virus.   AACA is continuing a tradition of inviti