High performance 100% Synthetic lubricant Motul 8100 X-Cess 5W40 is specifically designed for tuned engines with mild cam profiles (Lift, duration, ramp) and/or moderate valve spring pressure (<180psi) requiring more than 1100ppm of Zinc.
NOTE: Do not use Zinc additives. More than approximately 1200ppm of Zinc is ineffective, negatively impacting other wear protection additives and is considered Zinc saturation or Zinc dosing. If cam wear occurs, investigate mechanical or oil flow issues. Please consult Motul.