Kia Forum - View Single Post - Blend or straight synthetic oil?
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post #17 of (permalink) Old 01-06-2019, 07:03 PM
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If one is on very tight budget - then go with a 'conventional' oil that's is in fact a blend while sold as 'conventional', otherwise use 'full' or '100%' synth oil.
There are several brands that sell synth blend oils as 'conventional' in several viscosities but not all viscosities.
Reality is there are no 100% synth oils but oils with more or less synth content.
One such 'dino' oil that's actually a blend is Valvoline Conventional (white bottle) in 5w-20, 5w-30 and 10w-30 grades.
Also, personally I prefer 'full' synth with SN Plus and A5/B5 certifications in my cars' engines and 5w-XX visco, there are several reasons for my choice.
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