Latest review: Over 150,000km keeps engine internals clean not 100% like synthetic would as there is a light oil lacquer in hot areas.
Can live with more frequent oil changes vs straight synthetic and minimal
Latest review: Have used for around 7 years or ao in my Subaru liberty 3.0 wagon. I'm convinced it's the only reason the motor still exhibits signs of oil pressure. Changed rigorously between every 5-7000km. Wait