Previously alternated branded semi and fully, start using Chemlube fully 10w40 at 180,000km, felt throttle response lighter, engine quieter and cooler(monitor through oil temperature gauge), even after 8,000km, the performance still didn't drop much, change every 10,000km, below are the pictures after dismantle engine valve cover.
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| Meter cloak @250,000km |
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| Those places that oil pass by become clean enough |
What's next of this engine?
Did top overhaul and standard size piston rings replaced, now get back all the lost horsepower without spending much.
