fully or semi synthetic engine oil is better for new engine?
i hv persona, already serviced for 1000km mileage at authourized proton SC. they use shell helix HX7 10w40. is it ok?
what are different between fully or semi synthetic engine oil?
thnks
Car Engine Oil Price List [V1], Compilation of Engine Oil Prices in MY
Jun 28 2012, 12:10 PM
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