Oil types

Discussion in 'Motorhome Chat' started by jezport, Mar 26, 2013.

  1. jezport

    jezport Funster

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    According to the manual for my 2.8jtd Ducato I can use either 10w40. or 5w40 in our climate.

    The usual oil used is generally 10w40 semi synthetic but In my opinion we would be better with 5w40 fully synthetic if we are using for van all year long in the UK as it gives better protection when cold and at least equal protection when hot. Our vans don't do a lot of stop starting like a delivery van and do more cold starts.

    So do we have any oil specialists on here who know more than me?

    Any opinions?
     
  2. Snowbird

    Snowbird Funster Life Member

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    Am a big believer in changing oil more frequently than the recommendations. I use 15/40 in my VW car and change at 6000 miles. Its now done over 160000 trouble free miles. The MH which is Merc based is changed at 5000 miles and that's now done 167000kms. When away on long trips I carry a spare filter and oil and get local garage to do it when due.
     
  3. SIFTA SAM

    SIFTA SAM Read Only Funster

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    My 'expert' told me I am wasting my money time replacing semi-synthetic with fully synthetic. (which I haven't)
    He says there is no mechanical advantage in what you are suggesting?
     
  4. jezport

    jezport Funster

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    The price difference isn't massive between the 2 oils. I was thinking the 5w40 would cut down on wear when cold.
     
  5. sdc77

    sdc77 Funster

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    On some older engines the oil spec may not be ultra important .. but certainly on newer engines the correct grade of oil should be used if only to keep your warranty valid..
    Regular oil changes would be more beneficial id have thought

    I have always found opie oils to be a pretty competitive company for oil.
     
    Last edited: Mar 26, 2013
  6. Phill D

    Phill D

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    this is very true the newer engines particularly Euro 5 need specific oils which will keep the particulate filter "happy". older engines are less fussy. but i am also informed by local garage that on pre euro 4 engines the step up in price to fully synthetic is not justified.

    but its your van and your money:thumb:
     
  7. jezport

    jezport Funster

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    The main thing aire was thinking about was the viscousity I was looking at 5w40 vs 10w40. Which is best to protect the engine when hot and cold. Surely the 5w40 is best in the UK.
     
  8. pappajohn

    pappajohn Funster Life Member

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    while the grade of oil is important, the actual spec is moreso.

    manufacturers stipulate a particular oil formula.

    my Chrysler MUST use 5w30 grade low ash oil and the spec MUST be MB229.51 and ACEA C3....ave price = £45 per 4.5ltrs...and i need 6.5ltrs :Sad:

    any other specification WILL cause irreparable damage in a short time.

    my RV engine requires 5w30 as well but must be the Ford spec WWS_M2C153_G...cant use the Chrysler oil in it

    gone are the days when you chucked in any old 20w50 grade oil

    Worth checking your chassis handbook or googling the correct spec oil.
     
  9. Geo

    Geo Trader - Funster

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    10 - 40 is your recommended (Proper) spec
    5 - 40 is an alternative
    normally used if temps are around -15 below moderate uk climates
    as well as the starting element please consider the the viscosity is chosen for its suspension (dirt holding) properties whereby thicker is better
    Oil is always a trade off:Doh:
    Only you can decide if your choices are better than Fiats:Doh:
     
    Last edited: Mar 26, 2013
  10. jhorsf

    jhorsf Read Only Funster

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    Important oil info

    I remember reading a thread on another forum and euroserve nic said his vans of that age leaked when fiat recommended changing to thinner oil and not to use it


     
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  11. jezport

    jezport Funster

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    I did notice some time back that some oils have higher ash content especially some Castrol products so I avoid them.

    Is there any info available on the dirt holding property of oils.
     
  12. Snowbird

    Snowbird Funster Life Member

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    If you are that worried about dirt holding in the oil, fit a spinner. I used to have one fitted on a Cummins engined truck and the oil was as clean when changed as it was when it was put in. We all know how dirty diesel engines are as when you change the oil and start up its immediately black again.
     
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