RACER VIDEO: Sylvain Tremblay 1990 Mazda 787 Visor Cam

Prepare to cover your ears as pro racer Sylvain Tremblay goes from 22nd to fifth in just a handful of laps with Mazda's screaming 4-rotor 787 Le Mans Group C prototype built in 1990. Tremblay, who races one of Mazda's LMP2 diesels in the TUDOR United SportsCar Championship, puts on a deafening display while working through a maze of slower cars – enjoy the wailing ride.