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Old 14th May 2008, 11:51   #886
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Quote:
Originally Posted by DieselFan View Post
Joe,

Any mixing whether in Oil or in Drinks shouldn't be done. After saying thus would it affect you car performance - it may not for a short duration usage. Hence you need not flush it but just drain it and change the oil back to Synthetic.

Also you may check out why there is a 1L decrease in the level of Oil. Has engine started consuming more oil (This is a clear sign of problems in the engine).
I will check next time...
Infact my car has run 66K kms and it was at 60K that i changed the oil to synthetic.
Ill keep track of it for my next oil change at 70K kms.

i checked for leaks, but none to be seen.
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Old 14th May 2008, 21:00   #887
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So to sum up the practical choices I see here for a Synthetic option are.....

Mobil-1 / Shell Helix Ultra / Castrol Edge ?

Castrol Magnetec - Looks like this is not fully synthetic? sorry but I see some mixed opinions on this. :(

Which would be good VFM ? Castrol Edge ?

Also 10Wxx / 5Wxx option is good for Bangalore or 0Wxx better and not a problem?
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Old 14th May 2008, 21:38   #888
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Originally Posted by IronWolf View Post
Also 10Wxx / 5Wxx option is good for Bangalore or 0Wxx better and not a problem?
10Wxx is a better bet. Anything lower (esp. 0Wxx) will be really thin and since viscosity is very low you might have to check oil level and keep topping up regularly.

0Wxx is recommended for extremely cold places. Not for bangy surely.
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Old 15th May 2008, 00:07   #889
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Sorry for not reading this long thread in toto, but can anyone tel me as to which is the most suited synthetic oil brand for Ford Fiesta 1.6 SXi petrol?? grade, etc;?? I do know about Mobil1. But any other brand besides Mobil?
Also do i need to flush the engine before shifting to synthetic oil? the car has clocked about 21000 kms in two years. Please advice.
Thanks.

dhaval
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Old 15th May 2008, 08:47   #890
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Another synthetic oil option is Petronas Syntium. I enquired about this in Vashi almost a month back. I was quoted a price of Rs. 750/- per litre. Do not have any idea about the viscosity rating of this oil.
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Old 15th May 2008, 11:05   #891
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Hi Wanderlustindia
As fas as I know PETRONAS cost Rs 600 per litre ( Sythetic oil) not sure if its Syntium or not.
If you want I shall fine out & confirm the rates too.
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Old 15th May 2008, 16:43   #892
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Quote:
Originally Posted by dhaval View Post
Sorry for not reading this long thread in toto, but can anyone tel me as to which is the most suited synthetic oil brand for Ford Fiesta 1.6 SXi petrol?? grade, etc;?? I do know about Mobil1. But any other brand besides Mobil?
Also do i need to flush the engine before shifting to synthetic oil?
Arrey yaar Dhaval. All your questions are answered already. Just read a few pages na.

1. Stick to manufacturer recommended grade of engine oil. If manual says 15W50 stick to the same grade when switching to synth oil.

2. Apart from Mobil1 you can opt for Shell Synthetic.

3. Engine flush is definitely recommended while switching to synth oil.
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Old 15th May 2008, 17:52   #893
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Quote:
1. Stick to manufacturer recommended grade of engine oil. If manual says 15W50 stick to the same grade when switching to synth oil.
Can you name a 15W50 fully synthetic oil?
Not the Shell 15W50 thats replaced by the 5W40.
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Old 15th May 2008, 17:59   #894
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The 15W50 or 20W50 or 10W40 is acually dependent on where you will use the car.
If you stay in Leh 0W30 should be best.
If you are in Pune 20W50 will do. For Delhi 15W50 is best
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Old 15th May 2008, 18:04   #895
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Quote:
Can you name a 15W50 fully synthetic oil? Not the Shell 15W50 thats replaced by the 5W40.
The below post's are merely examples not to be taken literally.

Quote:
Originally Posted by GTO View Post
The right grade: It is vital that you choose your engine oil based on the grade your manufacturer recommends. If your owner’s manual suggests a 10W–40 grade oil, make certain that you use that only.
Quote:
Originally Posted by n_aditya View Post
1. Stick to manufacturer recommended grade of engine oil. If manual says 15W50 stick to the same grade when switching to synth oil.
Obviously if the recommended grade is not available one would have to choose what's available in the market (next equivalent grade).

Shell 15W50 synthetic is still available. I sourced it from a Shell bunk in Chennai a month or two back. The website still has 15W50 synthetic displayed.

Last edited by n_aditya : 15th May 2008 at 18:08.
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Old 15th May 2008, 18:20   #896
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Quote:
Originally Posted by tsk
If you are in Pune 20W50 will do.
Tanveer, I can't think of one oil company marketing 20W50 synthetic oil. Btw, The Mobil1 monkeys are distributing 0W40 to A.S.S' all over Madras.

Last edited by nitrous : 15th May 2008 at 18:22.
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Old 15th May 2008, 18:24   #897
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Originally Posted by nitrous View Post
Btw, The Mobil1 monkeys are distributing 0W40 to A.S.S' all over Madras.
. Even I was suggested 0Wxx by a popular tire dealer in chennai, since there was no other grade of Mobil1 being supplied. Opted for Shell instead.
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Old 15th May 2008, 18:27   #898
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Quote:
Originally Posted by n_aditya View Post
1. Stick to manufacturer recommended grade of engine oil. If manual says 15W50 stick to the same grade when switching to synth oil.
Owners manual recommends the use of semi-synthetic engine oil only, of a viscosity of SAE 5W-30. So now does that mean i should use fully synthetic oil of the same viscosity?

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Old 15th May 2008, 18:36   #899
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Originally Posted by dhaval View Post
Owners manual recommends the use of semi-synthetic engine oil only, of a viscosity of SAE 5W-30. So now does that mean i should use fully synthetic oil of the same viscosity?
Hypothetically yes. But synth oil is not available in 5W30 grade. Tanveer has mentioned that 20W50 will do fine for Pune.

Shell synthetic 5w50 can also be an option here. Its important to know what the numerals that precede and supercede the "W" mean.

Read GTO's post on page 1 and the links on his post. You'll find all the info you need.

Last edited by n_aditya : 15th May 2008 at 18:37.
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Old 15th May 2008, 18:50   #900
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@Dhaval:
Instead of all this confusion, i'll make it simple for you.
You can safely use 5W50 or 5W40 fully synthetic oil for your fiesta 1.6
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