MOTUL 300V COMPETITION series are suitable for most engine applications and are particularly recommended for Rally, GT? etc., or historic racing engines (rebuilt engines) requiring performance with enhanced protection against wear and oil pressure drops.- Adapt or choose the right 300V viscosity grade according to the viscosity grade recommended in your owner's manual or by your tuning service partner.- To guarantee optimal engine performance, avoid mixing with other synthetic or mineral lubricants.- Oil Change: Consult your tuning service partner for appropriate drain interval and tune to your own use.