Well that should be the Frazer-Nash Le Mans replica with Tony Brooks driving, leading a Lotus X (Michael Anthony?) and a Connaught AL/SR (Ken McAlpine?)
Yes indeed. No disrepect intended whatsoever, but it really was as easy as that! The twist being that the works car had a different grille and bonnet arrangement - I have no idea why because the tall Bristol engine needed a lot of air for the 3 carbs and most cars powered by that engine had a large inlet trunk on top of the bonnet.
Nice to see you get another point!
PS rather shamefacedly I notice there IS an inlet, but it's much smaller than the customer cars'.