mga sir ask ko lang ano magandang oil para sa toyota 5k engine. dati castrol na 20w50 gamit namin pero mabilis syang umitim,normal ba yun? yung altis kasi namin 10k na since last change oil parang bagong change oil pa kulay.
tulongm naman. and ano rin yungm meaning ng 20w50, 10w40 yata sa mga oil products. and which is better for my engine mineral oil, semi-syn or fully syn tnx