I am very skeptical of most engine oil additives but have had some luck quieting a noisy lifter with CD2 Oil Detergent with the partially black label or Gunk ValveMedic valve treatment.
I am very skeptical of most engine oil additives but have had some luck quieting a noisy lifter with CD2 Oil Detergent with the partially black label or Gunk ValveMedic valve treatment.