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  1. Join Date
    Jan 2008
    Posts
    10
    #1
    diba para mas ok pa yun Shell Diesel kasi nababawsan naman daw ang oil anyway in between PMS?

    what do you think?

    magastos kasi pag synthetic, parang wala naman difference sa performance

  2. Join Date
    Jun 2007
    Posts
    1,189
    #2
    calling sir DieselDude sir any significant changes if nagpalit ako ng full synthetic sa CRDi engine ko? advisable ba? mag 15K na ako at nagiisip akong mag full synthetic thanks

  3. Join Date
    Sep 2006
    Posts
    1,335
    #3
    calling sir DieselDude sir any significant changes if nagpalit ako ng full synthetic sa CRDi engine ko? advisable ba? mag 15K na ako at nagiisip akong mag full synthetic thanks

    Frankly, I don't know. But my position is to always use the recommended oil as stated in your owner's manual. If your manual doesn't require you to use synthetics, then don't. Dagdag gastos lang yan.

    By the way, is your car a Starex CRDI? What does your manual say?

  4. Join Date
    Jun 2007
    Posts
    1,189
    #4
    Quote Originally Posted by Dieseldude View Post
    calling sir DieselDude sir any significant changes if nagpalit ako ng full synthetic sa CRDi engine ko? advisable ba? mag 15K na ako at nagiisip akong mag full synthetic thanks

    Frankly, I don't know. But my position is to always use the recommended oil as stated in your owner's manual. If your manual doesn't require you to use synthetics, then don't. Dagdag gastos lang yan.

    By the way, is your car a Starex CRDI? What does your manual say?
    santa fe,
    Im looking it right now, wala naman nakalagay they just recommend to use Shell helix motor oils
    by the way sir anu yung CPF (catalyzed particulate filter) ? ito ba yung catalytic converter?
    thanks for replying

    sir naki-post lang pala ako kay TS (jackbauer)

  5. Join Date
    Jan 2006
    Posts
    1,682
    #5
    If hindi naman required I dont see the need for using full syn.
    Unless you have a hydraulically activated electronic unit injector.
    Which oil quality and consistency is critical. Like what Dieseldude has been explaining, the 4JX1 is a diferent type of fuel system which requires a specific type of oil. It has a rail/plenum but oil is being pressured and not fuel like most of the CRDI.

  6. Join Date
    Feb 2004
    Posts
    726
    #6
    I saw one starex CRDi in Hyundai Alabang using Castrol Magnetec during oil change. Sabi ng mechanic ay ok daw yung magnetec dahil tahimik ang engine. Tried and tested na raw ng mga customer nila yun.

    OT: sana yung TS(jackbauer) ay hindi utol ni Eddie Bauer. hehehe

  7. Join Date
    Oct 2002
    Posts
    17,340
    #7
    On the power increase, on well-tuned engines with mods and tight tolerances there can be a power increase with synth.

    For me, the main upside to using synth, esp. on a turbocharged engine, is protection as it lubes better during cold startups and is also less susceptible to break down under hard heat conditions.

    I have a friend who's been using synth oil on his 1992 Sentra since he purchased it 2nd hand in the mid 90's (40K on the odo at that time); now it's ran well over 220K kms and his engine is still running healthy compression and has never been opened up.

  8. Join Date
    Nov 2005
    Posts
    7,970
    #8
    boss dieseldude, though isuzu uses IGMO which is an SAE 40 (mono) many suggest that 15-40 is much better. is there an specific brand of diesel oil (15-40 multi) can you suggest for 4ja1 non-turbo? or as they said parehas lang basta same visco. thanks

  9. Join Date
    Sep 2004
    Posts
    2,976
    #9
    Quote Originally Posted by O!lman View Post
    I saw one starex CRDi in Hyundai Alabang using Castrol Magnetec during oil change. Sabi ng mechanic ay ok daw yung magnetec dahil tahimik ang engine. Tried and tested na raw ng mga customer nila yun.

    OT: sana yung TS(jackbauer) ay hindi utol ni Eddie Bauer. hehehe
    OT din: Hindi mag-utol sina jackbauer and eddiebauer, dahil iisa lang sila (alter-ego ni OB/newblue/bladerunner, etc)

  10. Join Date
    Sep 2006
    Posts
    1,335
    #10
    Quote Originally Posted by washburn View Post
    santa fe,
    Im looking it right now, wala naman nakalagay they just recommend to use Shell helix motor oils
    by the way sir anu yung CPF (catalyzed particulate filter) ? ito ba yung catalytic converter?
    thanks for replying

    sir naki-post lang pala ako kay TS (jackbauer)
    I just talked with a Hyundai service manager friend. He recommends 15-W40 multigrade oil from any of the big three: Petron, Shell, or Caltex. Synthetic is not necessary.

    He also told me that all current Hyundai CRDI engines have catalytic converters. Very good emissions!!

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Does Synthetic Oil improve Diesel/CRDi Engines