Quote Originally Posted by likot View Post
Sinong gumagamit ng fully synth na oil sa inyo? Malapit nakong mag change oil. Pwede kaya dito Royal Purple 15w-40
As long as its has a "C*" (i.e. CJ-4) rating it should be okay. Its more important that you still change your oil every 5,000kms though even if youre using synth. I always stuck to regular 15W-40 mineral oil on my Frontier 2.7E for over 6 years and it never had any problems.