You may not be familiar with Ed Hamill’s name, and that’s understandable, given that the man has only built three racing cars. Back in 1963, Hamill was still racing a Ford-powered Cooper Monaco T49 at Mid-Ohio, but Harold Pace’s book on the subject reveals that by the end of 1964, Hamill came up with his own open prototype: the SR2. Built around a tubular frame with bonded aluminum panels, this mid-engined machine was followed by a pair of SR3s, the latter of which used a rounded steel tube frame instead of square one. Hamill also switched from Oldsmobile V-8s to big-block Chevys fed by quad Webers. In period, those two SR3s started a total of sixteen races but finished only four.
Nowadays, the Hamill-Chevrolet SR3 wearing #63 is a regular sight at Goodwood, and driven by Darren Turner, it sure didn’t get slower all these years. Last year, I could barely catch it with my old XD-7 on Ilford’s HP5: