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  1. Join Date
    Jan 2006
    Posts
    12,608
    #11
    Quote Originally Posted by dr. d View Post
    20W50 was our mainstay motor oil in our 60s-70s cars.

    what happened, when you used 20W50 ?
    The engine warmed up slower compared to an oil with 5w40 viscosity. It also feels sluggish to rev to higher rpms. VTEC engines love to be revved high so using such a thick viscosity defeats the purpose.

    It may work with 60s or 70s or 80s era vehicles but cars at the turn of the century, better go with 5w40.


    Sent from my iPhone using Tapatalk

  2. Join Date
    Jan 2008
    Posts
    4,726
    #12
    Quote Originally Posted by drich_enriquez View Post
    Nasa 185k na ang mileage nito sir yapoy.
    Minsan kasi 20w50 oil is good para ma compensate mo kung medyo nag consume na ng oil yung engine.. kasi pag old engine at mainit na.. lumalaki din yung tolerance ng mga gaps nyan resulting to oil consumption.. band aid solution is to use thicker oil..

    Pero on regular use. Dapat 20w40 lang..

    Ngayon sa tanong na ok ba yung Zic oil.. Ok na Ok yan

  3. Join Date
    Oct 2012
    Posts
    27,626
    #13
    Quote Originally Posted by yapoy86 View Post
    Minsan kasi 20w50 oil is good para ma compensate mo kung medyo nag consume na ng oil yung engine.. kasi pag old engine at mainit na.. lumalaki din yung tolerance ng mga gaps nyan resulting to oil consumption.. band aid solution is to use thicker oil..

    Pero on regular use. Dapat 20w40 lang..

    Ngayon sa tanong na ok ba yung Zic oil.. Ok na Ok yan
    15w40

    20w40 isnt standard

  4. Join Date
    Feb 2020
    Posts
    17
    #14
    Quote Originally Posted by StockEngine View Post
    15w40

    20w40 isnt standard
    Refer always to associated tech manual re grade of oil to be used e.g. 5W40.

    My understanding is that the 5 stands for lower viscosity during cold start as the bearing clearances are still tight. The 40 is for desired viscosity at normal operating temp. for tropical regions.

  5. Join Date
    Jan 2008
    Posts
    4,726
    #15
    Quote Originally Posted by StockEngine View Post
    15w40

    20w40 isnt standard
    Madalas 20w40 pang gas engine.. yung 15w40 pang diesel or gas din..

    Sa tropical country yung 40 ang mas recommended

  6. Join Date
    Oct 2012
    Posts
    27,626
    #16
    Quote Originally Posted by drich_enriquez View Post
    Good Day fellow tsikoteers. Nag browse ako sa Shopee ng langis, biglang kong naisip I search ang ZiC oil. Nung lumabas ang lahat ng ZiC oils, nakita ko yun dalawang klase ng 20w-50 which is the X3 and X5. Ask ko lang kung nasubukan nyo to? Any feedbacks/reviews? Current oil na gamit ko is Petron Ultron Touring 20w-50 (API SL) on my 2006 Toyota Innova J Gas

    Thanks!
    whats making you change your oil of choice? any symptoms?

    I would get any multigrade 15w40 thats api-sl (shell is very good but the pricing is not as good as the imported ones.) 20w50 is a little thick imo.

  7. Join Date
    Aug 2004
    Posts
    6,164
    #17
    Quote Originally Posted by yapoy86 View Post
    Madalas 20w40 pang gas engine.. yung 15w40 pang diesel or gas din..

    Sa tropical country yung 40 ang mas recommended
    Never saw 20w40. Used 20w50 on my 1996 Lancer. Used 15w40 on my 2011 Vios. 15w40 is common din sa diesel so if you're getting that viscosity make sure you get the right product for your engine type.

  8. Join Date
    Mar 2010
    Posts
    301
    #18
    Quote Originally Posted by dr. d View Post
    20W50 was our mainstay motor oil in our 60s-70s cars.

    what happened, when you used 20W50 ?
    Same here, tell us your experience? (Altough 20w50 user me).

  9. Join Date
    Mar 2010
    Posts
    301
    #19
    Quote Originally Posted by JohnM View Post
    Never saw 20w40. Used 20w50 on my 1996 Lancer. Used 15w40 on my 2011 Vios. 15w40 is common din sa diesel so if you're getting that viscosity make sure you get the right product for your engine type.
    Sir anong brand ng 15w-40 oil na ginamit mo sa Vios? Mobil and Petron (Touring 15w40 released last year) lang ang alam kong 15w40 gasoline engine

  10. Join Date
    Mar 2010
    Posts
    301
    #20
    Quote Originally Posted by StockEngine View Post
    whats making you change your oil of choice? any symptoms?

    I would get any multigrade 15w40 thats api-sl (shell is very good but the pricing is not as good as the imported ones.) 20w50 is a little thick imo.
    Ok naman smooth naman ang takbo ng Innova wala naman symptons. Curious lang ako dahil X5 (Blue Bottle) 20w-50 na semi synthetic oil. Previous gamit ko is Multigrade oil. Kadalasan ang Semi Synthetic nasa 10w-30 at 10w-40.

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ZIC 20w-50 oil X3 (Multigrade) & X5 (Semi Synthetic) any feedbacks