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  1. Join Date
    Apr 2014
    Posts
    231
    #11
    Quote Originally Posted by jaggerx3 View Post
    Get the 10W40

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    They say the only reason not to use synthetic or semi-synthetic in an old engine because it might leak due to old seals .. but my 4afe oil seals are new, camshaft seal, sparkplug seal, etc ..

    Hindi ba rin pwede mag synthetic ?? Hindi ba pwede sa engine ko ang masyadong manipis like 5w30 ?? How about 5w40 ??

  2. Join Date
    Jan 2006
    Posts
    12,608
    #12
    5w40 will be just fine


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  3. Join Date
    Apr 2012
    Posts
    3,469
    #13
    Quote Originally Posted by Dezaremos View Post
    They say the only reason not to use synthetic or semi-synthetic in an old engine because it might leak due to old seals .. but my 4afe oil seals are new, camshaft seal, sparkplug seal, etc ..

    Hindi ba rin pwede mag synthetic ?? Hindi ba pwede sa engine ko ang masyadong manipis like 5w30 ?? How about 5w40 ??
    5w40/ 10w40 would be fine.
    I'd stick with semi synth pa din every 5k kms palit. Lalo pag medyo ma edad na engine needs tlc

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  4. Join Date
    Apr 2014
    Posts
    231
    #14
    Quote Originally Posted by Egan101 View Post
    5w40 will be just fine


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    But 5w30 is not good ??

  5. Join Date
    Jan 2006
    Posts
    12,608
    #15
    Quote Originally Posted by Dezaremos View Post
    But 5w30 is not good ??
    If your car’s engine requires it, then use it. I use 5w30 fully synthetic on my turbo cars.


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  6. Join Date
    Mar 2018
    Posts
    1,590
    #16
    For an older engine, better use the 10w-40 than the 5w-30. The higher viscosity oil (i.e. 10w-40) has better film strength for hot ambient temperatures like ours.


  7. Join Date
    Mar 2008
    Posts
    52,517
    #17
    sometimes, the specification for thinner oil has to do with its better ability to squeeze itself into the minute oil passages of the engine, compared to heavier oils.

  8. Join Date
    Oct 2012
    Posts
    27,626
    #18
    Quote Originally Posted by Lin Dan View Post
    For an older engine, better use the 10w-40 than the 5w-30. The higher viscosity oil (i.e. 10w-40) has better film strength for hot ambient temperatures like ours.

    ever heard of cooling systems?

    FOCUS

  9. Join Date
    Mar 2008
    Posts
    52,517
    #19
    ...to cool the engine?
    heh heh.

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Mobil Super 2000 10w40 semi-synth vs Caltex 5w30 Synth-Blend