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  1. Join Date
    Oct 2002
    Posts
    941
    #1
    Which is better? Found these 2 products kasi at Ace Hardware and Robinson's Handyman. Both almost have the same price and have the API-SL rating. Thanks!

  2. Join Date
    Jul 2003
    Posts
    49
    #2
    I think based on our weather condition and worst driving condition, 10W50 will perform better than a 5W40. I'm using Castrol Magnatec right now and I feel it to be better than other semi-synthetic oil brands.

  3. Join Date
    Dec 2002
    Posts
    636
    #3
    Castrol's formula RS has a good following in europe but so does caltex/texaco in the US.

    Have you heard of Liqui-moly full synth 5w40? It's known as Lubri-moly in the US but is a german made oil- great reputation from the users. Competitively priced, about P2k for 5L locally.

  4. Join Date
    May 2004
    Posts
    20
    #4
    sorry, newbie here. ano po bang ibig sabihin ng 10W50 at 5W40? ano po bang difference nila? any info on mobil-1's new fully synthetic oil? yung kino-commercial sa F1.

  5. Join Date
    Oct 2002
    Posts
    98
    #5
    read this http://www.chris-longhurst.com/carbibles/index.html

    Originally posted by tsinitutoy
    sorry, newbie here. ano po bang ibig sabihin ng 10W50 at 5W40? ano po bang difference nila? any info on mobil-1's new fully synthetic oil? yung kino-commercial sa F1.

  6. Join Date
    Oct 2002
    Posts
    1,012
    #6
    Castrol RS 10W50 is a GREAT oil!!!! This is what they use in BMWs in germany and netherlands.

    This is what I use in my E36 as specified by Mosselman Turbo Systems NV.

  7. Join Date
    Nov 2003
    Posts
    3,849
    #7
    isn't the castrol rs that is locally available a 10w40? that's the one i have in the shop eh.

    anyway, it's a good oil. i recommend it kapag synthetic yung habol ng owner

  8. #8
    Since we're on the topic of motor oils... is the Castrol RS 10w40 better than the Mobil1 5w50 syn? I checked out the Mobil1 website, the 5w50 synthetic is not listed in their product line, does that mean the stocks available here are old stocks?

  9. Join Date
    Oct 2002
    Posts
    941
    #9
    The Castrol RS I saw available at Ace Hardware was the 10w50 variant.

  10. Join Date
    Oct 2002
    Posts
    1,012
    #10
    The Castrol RS I was referring to is 10W50 which is standard oil of bimmers in Germany and Netherlands.

    Mosselman Turbo Systems also specify Castrol RS 10W50 in turbo charged bimmers.

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Fully synthetic:  Castrol Formula RS 10W/50 or Caltex Havoline Fully Synthetic 5W/40?