Silverstone, UKJuly 5, 2008 John Arnold wrings speed from his AC Ace, the progenitor of Carroll Shelby’s Cobra.Photo: Pete Austin Christopher Scott-Mackirdy fends off a Bentley with his Aston Martin Le Mans Special.Photo: Pete Austin Douglas Barker’s DB2-4 Mk1 heads a trio of Aston Martins.Photo: Pete Austin Holding off a pair of sibling Sprites is Eric Wooley’s Austin Healey Sebring.Photo: Pete Austin