In the face of Duff’s determination, he agreed to have the car prepared at the factory and let his test driver, Frank Clement, partner Duff. The Duff/Clement Bentley was one of the fastest cars, Duff setting the fastest lap at 9 mins 39 sec for the 10.726 mile lap. Rough track conditions took their toll as a flying stone holed the fuel tank, forcing Duff to run back to the pits.
In the face of Duff’s determination, he consented to have the car prepared at the factory and allowed his test driver, Frank Clement, to partner Duff. The Duff/Clement Bentley was one of the swiftest cars; Duff achieved the fastest lap in 9 mins 39 sec for a 10.726 mile circuit. Rough track conditions took their toll as a flying stone punctured the fuel tank, necessitating Duff to return to the pits.