 The R90CK was notable for achieving the highest straightline speed on the Mulsanne Straight at the Le Mans circuit following the installation of a sequence of tight serpentine curves (chicanes).Mark Blundell reached at 366 km/h (226.9 mph) on his pole position lap - 24.2 mph less than the previous record trap speed without the chicanes in place.The qualifying engine, normally capable of up to 1000 bhp, had a mechanical issues leading to the wastegate being jammed, leading to an engine which produced well over 1100 bhp.