Quote Originally Posted by youngrider View Post
Important additives in the engine oils go stale. Recommended shelf life before use is 3yrs. Use RP na lang the price is fair enough. For optimum reliability use FS tranny oil na rin.
Ganoon ba. Unfortunately, Royal Purple doesn't have an oil with the correct rating for my engine (i.e. WSS-M2C913-B). My only two choices are Shell Helix F and Havoline Energy.