Keep it simple stupid. The Castrol GTX branding on this Lotus 70 is simply perfect. In fact, it prompted this post. For years, and for obvious reasons, oil company marketing directors have been funneling huge sums of money into motorsport, at every possible level, Formula 1 to Schoolboy Motocross. But, who does it best? Gulf Oil , synonymous with two colours, and of course the Le Mans 24hr, with the Ford GT40, Porsche 917 and the Mirage of John Wyer's JW Automotive Team adorned with the the Blue and Orange. Porsche's 908/3, part lightweight endurance racer part Hillclimb special, suiting the tight twists and turns of the likes of the Nürburgring and Targa Florio. Seen in various Gulf liveries, the standout with the single left sided orange arrow. However the Trackhouse Aprilia seen above, caught out everyone in the MotoGP paddock with its Gulf sponsorship and what a livery! Rarely seen on two wheels, still simple, clean, instantly recognisable. STP and #43, the Petty dynasty....