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Old 2nd January 2011, 22:53   #2836
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Default Re: ARTICLE: Synthetic oil vs Mineral oil

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@Akshay1234 whats the recommended grade for your Accord?
.
Im too lazy to check mine. I looked online at the US cars manual, which has the same engine. That recommends 5w20.

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You'll lose power and fuel efficiency.
Sir what do you recommend for my car?
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Old 3rd January 2011, 03:18   #2837
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Default Re: ARTICLE: Synthetic oil vs Mineral oil

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Originally Posted by akshay4587 View Post
I have been using 15W50 Motul 300V on my Zma,and after 65K kms of hard riding,engine is still on original Bore and piston.

Any info about elf moto gold 4 fully synthetic oil for bikes? It is a 10W50 and I recently purchased two cans of it. My 220 needs a XW50 oil and that too 1250 ml of it hence I bought it over motul300V to save some vitamin M. The retail price of elf is 725 bucks a litre but I got it for 500 bucks a can from the distributor himself.
Also, as it is 10W50 I guess it should have an advantage over motul though motul comes with some double ester stuff that I do not know much about.

Any inputs??


Regards.
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Old 3rd January 2011, 18:58   #2838
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Default Re: ARTICLE: Synthetic oil vs Mineral oil

Folks,
Could you please advise which grade of synthetic to be used for Santro Xing (2007 model). I dont have a manual to check for this.
Its clocked 37000 Kms now. Is it worth switching to synthetic now.
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Old 4th January 2011, 09:29   #2839
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Default Re: ARTICLE: Synthetic oil vs Mineral oil

I have a Xing AT (2005) with 43k on the clock. The oil must be SAE40 or higher. So my choice is Magnatec 10W40 (not the newer 5W30).
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Old 4th January 2011, 13:30   #2840
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Default Re: ARTICLE: Synthetic oil vs Mineral oil

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Originally Posted by akshay1234 View Post

Sir what do you recommend for my car?
SIR, Run 5W40.
You will enjoy your J30 even more

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Originally Posted by sgiitk View Post
I have a Xing AT (2005) with 43k on the clock. The oil must be SAE40 or higher. So my choice is Magnatec 10W40 (not the newer 5W30).
By SAE40 , are you stating that you're using monograde oil in your car, SG sir?

Last edited by nitrous : 4th January 2011 at 13:31.
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Old 4th January 2011, 13:48   #2841
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Default Re: ARTICLE: Synthetic oil vs Mineral oil

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By SAE40 , are you stating that you're using monograde oil in your car, SG sir?
Am sure he meant an xW40 oil.
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Old 4th January 2011, 13:51   #2842
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Default Re: ARTICLE: Synthetic oil vs Mineral oil

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SIR, Run 5W40.
You will enjoy your J30 even more
But Mobil 1 only 0w40? Is that still better than the 5w50 im using now? Or should I look at other brands?

OWS has 5w40, but they only sell in 4 litre cans. I need only 5 litres I think.

Last edited by Akshay1234 : 4th January 2011 at 13:52.
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Old 4th January 2011, 14:16   #2843
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Default Re: ARTICLE: Synthetic oil vs Mineral oil

@nitrous : driv3r is correct.As the discussion is primarily about the viscosity when hot I skipped the lower number. In case you are interested my Santro is currently on Magnatec 10W40, and Civic on Mobil1 0W40.
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Old 4th January 2011, 15:33   #2844
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Default Re: ARTICLE: Synthetic oil vs Mineral oil

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But Mobil 1 only 0w40? Is that still better than the 5w50 im using now? Or should I look at other brands?

OWS has 5w40, but they only sell in 4 litre cans. I need only 5 litres I think.
0Wx is for snowy, icy, crazy cold temperatures.
Between 5W40 and 0W40, for Mumbai conditions, I would go for the 5W40.
5W40 is available in Mobil as a Synt S (Semi synth)
So, get the Shell Helix Ultra 5W40. Easily available in 4 and 1 litre packs.
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Old 4th January 2011, 16:32   #2845
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Default Re: ARTICLE: Synthetic oil vs Mineral oil

Guys any clue if it is ok to use Synthetic oil in an engine which has run almost 100,000 Kms on regular mineral oil?
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Old 4th January 2011, 19:06   #2846
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Default Re: ARTICLE: Synthetic oil vs Mineral oil

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Guys any clue if it is ok to use Synthetic oil in an engine which has run almost 100,000 Kms on regular mineral oil?
Absolutely you can!

It's AS good as the mineral oil you use, if not better!

Synthetics have a more uniform molecular structure and ensure low levels of NVH when compared to a mineral. Do the switch, just monitor the levels regularly. And DO NOT flush before switching to synthetic, said to cause problems with older engines as it washes away all the carbon build-up from the engine. Just ensure that the old oil is hot enough and let it drain completely.
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Old 4th January 2011, 19:19   #2847
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Default Re: ARTICLE: Synthetic oil vs Mineral oil

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Originally Posted by KSM-Vtec View Post
Guys any clue if it is ok to use Synthetic oil in an engine which has run almost 100,000 Kms on regular mineral oil?
Ideally avoid the shift if the vehicle has done more than 80-90 k kms. Rewind a little bit to know the reason. Its better to use a better grade minerals for the time being.
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Old 4th January 2011, 19:36   #2848
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Default Re: ARTICLE: Synthetic oil vs Mineral oil

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Originally Posted by DRIV3R View Post
And DO NOT flush before switching to synthetic, said to cause problems with older engines as it washes away all the carbon build-up from the engine. Just ensure that the old oil is hot enough and let it drain completely.
A bit confused as it is normally a good practice to flush. Is this due to his high mileage or there is a shift of theory now. explain.
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Old 4th January 2011, 20:26   #2849
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Default Re: ARTICLE: Synthetic oil vs Mineral oil

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A bit confused as it is normally a good practice to flush. Is this due to his high mileage or there is a shift of theory now. explain.
This has always been a hot topic. I, for one, do not believe in flushing an engine which has seen regular oil changes. Doubly so, If the engine is quite old.

Hope you get some inputs from these links.

Could This Damage Your Car? | NBC Los Angeles

Engine flush - good or bad ? - The Ford Focus Forum | Powered by Focaljet

Engine Flush - Good Or Bad? - Toyota Owners Club - Toyota Forum
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Old 4th January 2011, 20:52   #2850
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Default Re: ARTICLE: Synthetic oil vs Mineral oil

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Originally Posted by nitrous View Post
0Wx is for snowy, icy, crazy cold temperatures.
Between 5W40 and 0W40, for Mumbai conditions, I would go for the 5W40.
5W40 is available in Mobil as a Synt S (Semi synth)
So, get the Shell Helix Ultra 5W40. Easily available in 4 and 1 litre packs.
Great, now only to find a place in Mumbai that sells. Guess ill call up the Shell head office tomorrow.

BTW - What is the reason that you think this grade would be better for my car? What improvements can I expect?
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