By 1973 Jaguar’s motorsport glories were long behind it. It had been 16 years since one of its cars had last won the 24 Hours of Le Mans while even its final entry in the race it had once ruled was way back in 1964. And with parent company British Leyland lacking the resources to go racing, there seemed little chance of Jaguar returning to the track. Yet despite all of this, the company still had a presence at the 1973 British Grand Prix, albeit with a dated never-before-seen prototype.
