Ingat kayo sa mga benta engine oil na magsabi 20,000kms in one year oil change. Hindi tayo america na interstate driving na walang traffic. Hindi tayo germany autobahn. Stop and go traffic and occasional crusing speed dito pinas. 10,000kms na safe threshold ng oil change.

Mga royal purple seller naghype ng 20,000kms in one year oil change. Wag magpabola sa idiot marketing