Quote Originally Posted by rmsoriano View Post
Maybe that shop owner is just on the safe side to protect the diesel engine, but if they do conduct an oil analysis test, malalaman nila na FS oil like RP oil can hold up to 10,000 km OCI.....

Naku, I doubt if they do conduct oil analysis. Un na nga sir on the safe side sila..... probably the FS oil that they are using is not on par with RP.