Culkin raced his beautifully prepared and well-sorted 300SL "Gullwing" coupe from the mid-1950s through 1961.   The Culkin family recently sent me these treasured photos of their father and grandfather.
 

Here's a good side view of Culkin in the "Gullwing".  This photo was taken at Santa Barbara in 1960.  (Photo by Bill Norcross)

This photo shows Culkin leading Dave MacDonald in his first "00" Corvette. This photo was also taken at Santa Barbara,  Note building in background.  Also, who are the other two drivers? (Photo by Bill Norcross)

Culkin leads another "Gullwing".  Bob Norton's photo of Culkin at Santa Barbara 1960. (Photo by Bill Norcross)

All photographs and text are the property of the Culkin family, Bill Norcross, and Tam McPartland and are protected under United States and international copyright laws.  All rights are reserved and the images and/or text maynot be digitized, reproduced, stored, manipulated, and/or incorporated into other works without the written permission of the photographer, Bill Norcross, the Culkin family, and Tam McPartland.