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  1. Join Date
    Jul 2016
    Posts
    1,178
    #5441
    Quote Originally Posted by makelovenotwar View Post
    Isn't it contradicting that engine oils which have higher viscosity are marketed as with more protection but there's a saying that 75% or majority of engine wear happens during startup (which requires low viscosity) ?

    Kindly shed some light. Thank you.
    Tingin ko applicable lang yan sa cold countries satin kasi mainit kaya yung higher viscosity stable parin ang flow nya. During cold start

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  2. Join Date
    Jan 2006
    Posts
    12,608
    #5442
    ^^^ It would be best just to follow manufacturer's recommendations on engine oil viscosity. There will surely be something to expect if you put an engine oil with higher viscosity than what is recommended.

  3. Join Date
    Jul 2016
    Posts
    237
    #5443
    Quote Originally Posted by makelovenotwar View Post
    Isn't it contradicting that engine oils which have higher viscosity are marketed as with more protection but there's a saying that 75% or majority of engine wear happens during startup (which requires low viscosity) ?

    Kindly shed some light. Thank you.
    You have a point, kaya maganda kung lower yung number before W.


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  4. Join Date
    Oct 2012
    Posts
    27,624
    #5444
    Quote Originally Posted by youngrider View Post
    kulang na kulang sa bihis yung container, parang pirated copy ang dating. Talong-talo ng Zic at Hyundai Xteer. Di kaya surplus finished product lang ito na rebranded.

    Saka multi-service rated with lower viscosities na ang requirements ng mga engines ngayon, pero baka ang target nila are older vehicles.
    Prestone is owned by Fram(famous for filters). There are several oil refineries in Singapore and they sell engine oils by bulk or pre-packaged

    Prestone does have a conservative design but thats their corporate look.

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  5. Join Date
    Mar 2004
    Posts
    10,287
    #5445
    Quote Originally Posted by mrstealyourgirl View Post
    You have a point, kaya maganda kung lower yung number before W.

    Maybe this is only useful in colder countries ...

  6. Join Date
    Jan 2012
    Posts
    2,376
    #5446
    Ask ko lang, okay pa ba ang Royal Purple engine oil? Parang mas nag ggain ng popularity ang ZIC.


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  7. Join Date
    Jan 2008
    Posts
    380
    #5447
    Engine tolerances is the main determinant of oil viscosity requirement. With tighter clearances between moving parts of today's engines, lubrication is optimized for thinner oils.

    Too thick oils will not flow as needed especially between crankshaft journals and main bearings, and enough oil film thickness will not be formed consistently, allowing metal to metal contact and wear.

    The degraded lubricating/cooling ability and increased oil friction of thicker oils in modern engines, both the oil and the engine temperatures would be higher with accelerated high temperature breakdown, oxidation, and sludge formation.

    Due to better additives and oil fomulation, thinner modern rated engine oils have higher residual film strength which resist engine wear better during boundary lubrication, cold engine starts, and engine shutdown.

  8. Join Date
    Jul 2016
    Posts
    1,178
    #5448
    Quote Originally Posted by carwhacko View Post
    Ask ko lang, okay pa ba ang Royal Purple engine oil? Parang mas nag ggain ng popularity ang ZIC.


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    Sir hindi naman mag ka price range yung dalawa. Malayo.

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  9. Join Date
    Jan 2012
    Posts
    2,376
    #5449
    Quote Originally Posted by mokong22 View Post
    Sir hindi naman mag ka price range yung dalawa. Malayo.

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    Ganun ba. I used Royal Purple before di ko nalang maalala magkano kuha ko nun. Pero mura nga yung ZIC. Kaya siguro wala na ako mabilhan ng RP oils.


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  10. Join Date
    Jul 2016
    Posts
    237
    #5450
    Quote Originally Posted by carwhacko View Post
    Ganun ba. I used Royal Purple before di ko nalang maalala magkano kuha ko nun. Pero mura nga yung ZIC. Kaya siguro wala na ako mabilhan ng RP oils.


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    Meron sa Lazada hehe SRP ang price


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Mineral , semi synthetic or fully synthetic?