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  1. ej_saiyajin4's Avatar
    ej_saiyajin4
    ej_saiyajin4 is offline Verified Tsikot Member
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    September 3rd, 2008 03:06 PM #1
    which oil would have better fuel efficiency, 10w30 mineral or 15w40 semi-synthetic oil?
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  2. shadow's Avatar
    shadow
    shadow is offline Darker and Bigger
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    September 3rd, 2008 04:23 PM #2
    based on viscosity I say the 10w30 mineral, but better if you just buy a fully synthetic with the same viscosity....PM speedyfix, meron ganyan viscosity ang Royal purple oil
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  3. 1D4LV's Avatar
    1D4LV
    1D4LV is offline Одна из черт возьми
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    September 4th, 2008 10:57 AM #3
    if we are talking about FE, i think the semi-synth. but costs wise, its better to put a full synth than using semi-synth.... or put na lang mineral.
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  4. speedyfix
    speedyfix is offline Tsikot Member Rank 5
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    September 7th, 2008 05:32 PM #4
    just get a full syn 10w30 para tipid talaga.
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mineral or semi syn