Sure, high-performance engines burn fuel. But they wouldn’t be able to do it for very long if it wasn't for oil of varying viscosities that lubricates crankshafts, cams, bearings, rods, pistons, rings ...
It's a funny thing that motor oil is a double-edged sword when it comesto racing. Yes, it lubricates moving metal parts that otherwise wouldbecome so much scrap metal without it in a matter of seconds ...