QUOTE(RollinNickels @ Apr 6 2017, 10:47 PM)
no fragile la, just too many electronics.engine oil mainly for reduce engine friction, lubricate internal parts, oil pressure to activate those vtec solenoid, cleaning the combustion chamber. so the viscosity of the oil affects all the factors above.
tldr, thicker engine oil better in protect the engine but due to the thickness it affects power and fuel efficiency.vice versa for thinner oil.
so generally, the lower the first figure and the higher the second figure of the viscosity value works best in malaysia.
viscosity will change due to the temperature and oxidization. so if u use too long milage and no change engine oil, the engine oil will become "watery" and not so effective to lubricate your internal engine parts and less protective from the friction. not to mention, it does affect all your oil seal in your engine and might cause leaking in long run.
so my advice, change engine oil more frequent better than change expensive engine oil but use for long milage.
Apr 6 2017, 11:11 PM

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