The Concours of America at St. John's in Plymouth, MI (successor event to Meadow Brook Hall) had a decent selection of racecars this year. So here's a gallery:
St. John's Concours 2013: The Racers | Mac's Motor Garage.com


Also, several galleries of vintage road cars from the same show in case there is interest...
Intro and overview:
http://www.macsmotorcitygarage.com/2...concours-2013/
Prewar cars:
http://www.macsmotorcitygarage.com/2...-1893-to-1942/
Postwar cars:
http://www.macsmotorcitygarage.com/2...-1946-to-1996/
St. John's Concours 2013: The Racers | Mac's Motor Garage.com


Also, several galleries of vintage road cars from the same show in case there is interest...
Intro and overview:
http://www.macsmotorcitygarage.com/2...concours-2013/
Prewar cars:
http://www.macsmotorcitygarage.com/2...-1893-to-1942/
Postwar cars:
http://www.macsmotorcitygarage.com/2...-1946-to-1996/