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Service Interval?

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Re: Service Interval?

Post  overboost on Fri Mar 28, 2008 2:19 pm

MXF wrote:
omd2k wrote:All oils no matter what their type are made of long chained molecules which get sheared into shorter chains into the running engine. Of coz oil will los its viscosity over time and it uses up the additives in it that prevent scuffing between cams and followers,rings and cylinder walls etc. When this happen, fresh oil is the key. Dun worry abt engine oil turning black, it will lose its golden colour within few hundred miles, that doesn't mean it's not working, instead it means it is working well. It changes colour as it traps oxidised oil, clots and the flakes of metal that pop off heavily loaded engine parts. Using 5w-40 ensures good cold starting and quick circulation. The optimum time for changing oil can be judged by 1) number of cold starts(more condensation in a cold engine) 2) Ambient temperature(how long before warm enuff to stop serious condensation)3) Effectiveness of crank 4) state of wear of engine 5) accuracy of carburation during warm up(extra gook produced) 6) distance travelled. VW, Audi,Saab and Toyota all have complaints of sludge problems regardless of maintenance or mileage. It is due to alot of cold starts. So make sure u warm up your engine before moving off everyday.

omd2k...u contradicting leh.
u mentioned before ur stilo 10K the oil still purplish...
but now u say the oil turn black then good, shows that it is working.
so u meant ur stilo abnormal?
i know engine oil turn black is good sign that it is lubricating the engine well, it is sludging that is more of a concern.
so u oso mentioned above that there are engine particles etc tat will deposit in the engine oil right?
then how come u tell me wun when u said 1K dun need change oil?

hmm....contradictory leh.... Razz

MXF, Mobil 1 has superior cleaning properties and they usually turn black after a few thousand km. That's perfectly ok lah.

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Re: Service Interval?

Post  MXF on Sat Mar 29, 2008 12:10 am

overboost wrote:MXF, Mobil 1 has superior cleaning properties and they usually turn black after a few thousand km. That's perfectly ok lah.

bingo..... Razz
i know.....if the engine oil turns black is a good thing....
what is to determine whether the oil is good or not is to extract the oil during servicing and send for testing..... Razz
but me not so hardcore lor.... Razz Razz

I dun quite like Mobil 1.....my personal preference is Amsoil.....v smooth..

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Re: Service Interval?

Post  teoky on Sat Mar 29, 2008 1:28 am

So cheem, want to do UOA izzit ?

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Re: Service Interval?

Post  MXF on Sat Mar 29, 2008 11:09 am

simi si UOA?

i know UOB only..... study

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Re: Service Interval?

Post  teoky on Sat Mar 29, 2008 8:35 pm

UOA = Used oil analysis.

If you are keen, can buy a kit to do it.

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Re: Service Interval?

Post  MXF on Sat Mar 29, 2008 11:53 pm

teoky wrote:UOA = Used oil analysis.

If you are keen, can buy a kit to do it.

oh...but me dun understand such.....

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Re: Service Interval?

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