“Doc” Bowles’ #22 Hisso

 Clay Corbitt, below, drove this #22 Hisso owned by Dr. Mark E. “Doc” Bowles, Sr.  Corbitt is credited with coming up with the two-port exhaust system for the Hisso engine, an idea that greatly improved their performance.  Although it caused the Hisso engine to run hotter than would have been preferred, they did not overheat – Bruce Craig collection

Clay Corbitt in “Doc” Bowles’ Hisso.  That is the doctor in the background at left – Bruce Craig collection

Clay Corbitt in “Doc” Bowles’ Hisso.  That is the doctor with glasses to Corbitt’s right – Dr. Mark Bowles, Jr. collection

This photo of the #22 Bowles Hisso was taken at Dayton, Ohio c1939 – Dr. Mark Bowles, Jr. collection

This photo of the #22 Bowles Hisso was taken at Winchester, Indiana in 1939.  The man in dark pants standing at the rear of the car is Russ Clendening who was a CSRA official – Dr. Mark Bowles, Jr. collection

Clay Corbitt in Doc Bowles’ Hisso at Jungle Park Speedway north of Rockville, Indiana.  The man standing at left is identified as “Flash” Neber.  Click your mouse on the photo above to see a little clearer copy of this photo, at least of the car itself – Dr. Mark Bowles, Jr. collection

Ferncliff Cemetery in Springfield, Ohio – Jeff Adams photo