Fully synthetic oil

Discussion in 'Motorhome Chat' started by Road Runner, Mar 21, 2012.

  1. Road Runner

    Road Runner

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    Just been to the expence of having fully synthetic oil change in my van to hear some guy serioiusly telling me it's not good in the 2500 TD fiat engine :Eeek:

    I sure he's MAD but please confirm I am right :pray:
     
  2. Dereckerick

    Dereckerick

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    I used to use fully synthestic Castrol R 2 stroke oil in the race bikes, synthetic oil in a not so high spec engine would seem a bit OTT.

    I reserve the right to be wrong at any point:thumb:
     
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  3. Terry

    Terry Funster Life Member

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    Here you go John
    Fully Synthetic Characteristics
    0W-30
    0W-40
    5W-40 Fuel economy savings
    Enhances engine performance and power
    Ensures engine is protected from wear and deposit build-up
    Ensures good cold starting and quick circulation in freezing temperatures
    Gets to moving parts of the engine quickly
    Semi-synthetic Characteristics
    5W-30
    10W-40
    15W-40 Better protection
    Good protection within the first 10 minutes after starting out
    Roughly three times better at reducing engine wear
    Increased oil change intervals - don't need to change it quite so often
    Mineral Characteristics
    10W-40
    15W-40 Basic protection for a variety of engines
    Oil needs to be changed more often

    Read more: http://www.carbibles.com/engineoil_bible.html#ixzz1plqzTU9z
    terry
     
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  4. ronecc

    ronecc

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    Not sure synthetic oil can be bad for your engine, but check this site, it will give you all the advantages over mineral oil.
    http://www.opieoils.co.uk/pdfs/tech-articles/The-Advantages-of-Synthetic-Oils.pdf
     
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  5. alfandM

    alfandM Funster

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    sinthetic oils

    HI, there's no problems useing fully in your van, the only problems is you won't be able to go back to semi or normal diesel oil, unless you do a Engine flush, i always use semi in our's then if you can't get fully or semi you can use normal to top up, hope this answears your Q, Cheers Alf:thumb:.
     
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  6. wivvy's dad

    wivvy's dad

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    Does the synthetic Castrol R smell the same?
     
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  7. Geo

    Geo Trader - Funster

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    To keep this simple
    There are basically only two types of oil
    1.MINERAL OIL (The old fashioned stuff)
    2. Fully synthetic oil (Man made superior product)

    So where does Semi Synthetic oil come into the equation
    Simple
    Its a 70%/30% mix of the two:Doh:
    so yes you can mix any and all oils if you want to,you will simply dilute the fully synths qualities
    No need to flush any engine at all when swapping from one to the other just change oil and filter as usual
    it is recommended to flush older engines prior to going simi or fully synth just to get rid of te crap left behind from the old minerals
    Geo
     
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  8. wivvy's dad

    wivvy's dad

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    I love it when experts come along................:thumb:
     
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  9. Dereckerick

    Dereckerick

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    Smells fantastic!
     
  10. aba

    aba

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    hi John.
    i do remember a post on here a few weeks ago about someone whom had changed to synthetic oil and found they had problems with leaks from the oil seals so went back to the old stuff and the problems disappeared.
    i think that was a 2.5 ducato as it also stated that fiat had changed the handbook and it now said some different oil to the previous book.
    so if thats the case just get someone to check for you that there are no leaks and all should be ok if it leaks then change back to the stuff you had before.
     
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  11. 656

    656

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    I use fully synthetic in my 06 2.3, in Edds 01 307 and in my 02 Smarty. All run very nicely.
     
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  12. ciderman

    ciderman Funster

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    semi gives you the same protection and as long as you change your oil every year it will save you money the detergents in full can be quite agressive and not good on a old style engine as the clearances can be a bit bigger than a modern tight engine :thumb:
     
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  13. wizzer59

    wizzer59 Funster

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    No no its terrible stuff, truly awful, just give it to me to get rid for you, and you get yourself some cheap old oil::bigsmile:::bigsmile:
     
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  14. jhorsf

    jhorsf

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    John we had this the other day on here please see my post

    http://www.motorhomefun.co.uk/tech-mech-general/47094-engine-oil-2.html#post564954



    I would say its more important to get the grade right not to thin in an older design engine as posted in the other forum by Nick I think your van should be 15w40 semi synthetic NOT 10w40 as it would seem to cause long term problems with leaks if you use a thinner grade
     
    Last edited: Mar 21, 2012
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  15. Hycon

    Hycon

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    15w 40w recomended for my 1994 2.5 D hymer .Change it every year.I don't think synthetics were readily availible when it was made.
     
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  16. Road Runner

    Road Runner

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    Me too!:thumb:
     
  17. jhorsf

    jhorsf

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    What grade did you use John?
     
  18. Johns_Cross_Motorhomes

    Johns_Cross_Motorhomes Trader - Motorhome & Accessory Sales

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    Yep and theres quite a few knowledgable experts on Fun unlike some other place

    Peter
     
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  19. Techno

    Techno Funster Life Member

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    All base vehicle manufacturers handbooks offer a range of recommended grades of oil dependent on driving conditions and service intervals. I always use the best as it is cheap if you buy carefully and NOT from dealerships.
    I can change my oil and filter for £30 and do it every 10,000miles or less if a nice day crops up for getting under when I'm not busy
     
  20. Jaws

    Jaws Funster Life Member

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    There are def. certain engines that do not benefit.. Anyone who has ever owned a Blackbird for instance will tell you straight away that using fully synth is a massive no no..
    Causes some really weird problems including frothing and often an early bath for the CCT
    This is not hearsay or a maybe, its a reported ( repeatedly ) fact.. Folk who did not believe and tried fully synth almost always returned very quickly to either dinosaur oil of semi synth

    As to why .. I have absolutely no idea... After working exclusively on the bikes for 12 years and being involved to a certain extent with the Rand D dept in Düsseldorf I STILL have no idea !
     
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