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Old 5th April 2014, 17:32   #4006
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Default Re: ARTICLE: Synthetic oil vs Mineral oil

Hi guys, I am posting on the forum after quite some time. I have a query... I have been using mobil1 0w40 fully synthetic oil in my SX4. For some reason, the oil is not available at this time around my locality. I am getting Valvoline 5w40 instead. Will it be safe to use this? The recommended oil by Maruti is the mobil1 grade I have been using till now.
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Old 6th April 2014, 08:31   #4007
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Default Re: ARTICLE: Synthetic oil vs Mineral oil

^^ I think Maruti workshops use MGO 10W30 semi synthetic oil for all petrol engines, unless the customer specifically opts for full synthetic. So this will be safe.
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Old 6th April 2014, 10:30   #4008
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Default Re: ARTICLE: Synthetic oil vs Mineral oil

Couple of weeks back, did the 120k service for my Lancer, and changed oil (synthetic 5W40 Motul from SVR motoros A.S.S.). 13k since last oil change, a bit over 1 year). Engine is feeling great (touch wood).

Also, had changed my wife's Ritz to fully synthetic @ 30k km. The engine became smoother, lower noise on revving and seems to revv a bit freer.
So, I recommend synthetic oil though the costs are much higher.
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Originally Posted by lancer_rit View Post
So its been 22k since I switched to synthetic @74k. Engine seems to be doing great (knock on wood).
I changed oil once at 82k (8k for first change) and then @96k (14k, ~1year).
Engine feels smoother after the oil change, and I consistently got 1-1.5 km/l more mileage after switching to synthetic for the past 20000+ km

So, for those of you with old cars (60-70k or higher), no issues to switch to synthetic from mineral - go right ahead :-) I recommend not to flush the car's engine though.
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Old 6th April 2014, 11:57   #4009
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Default Re: ARTICLE: Synthetic oil vs Mineral oil

I am still confused about the difference between fully synthetic 0w40 and 5w40. Would anyone know the technical difference between the two?
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Old 6th April 2014, 12:27   #4010
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Default Re: ARTICLE: Synthetic oil vs Mineral oil

Oil is rated as mmWnn. mm is the viscosity of the cold oil (0 is a misnomer like the 0W bulb). It should actually be SAE2 or so. nn is the viscosity of the hot oil. Basically there are additives which stop the oil from getting thinner than nn when hot. Functionally, unless you like in Ladakh 0W and 5W are about the same.
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Old 6th April 2014, 21:51   #4011
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Default Re: ARTICLE: Synthetic oil vs Mineral oil

Quote:
Originally Posted by sgiitk View Post
Oil is rated as mmWnn. mm is the viscosity of the cold oil (0 is a misnomer like the 0W bulb). It should actually be SAE2 or so. nn is the viscosity of the hot oil. Basically there are additives which stop the oil from getting thinner than nn when hot. Functionally, unless you like in Ladakh 0W and 5W are about the same.
Even in Ladakh a 10WXX oil is sufficient. 5WXX and 0WXX are for minus 20 and below kind ranges
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Old 6th April 2014, 23:30   #4012
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Default Re: ARTICLE: Synthetic oil vs Mineral oil

Recently moved out of Delhi to a place where there is no authorised Ford service stations. I own a Ford Fiesta Classic SXi Duratec (2011). Engine oil change is due but I could not find the recommended 10W-30. I could find only 5W-30(recommended for Diesel engine/ Duratorq) and 10W-40, both Castrol. Which one should I go for it? Or should I source the specified oil(i.e. 10W-30) from a place where it is available, e.g. Delhi? Your advice would be of immense help.
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Old 7th April 2014, 05:01   #4013
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You can for 10W40 if you are comfortable with Castrol provided that the 10W40 available is specified/recommended for Petrol engine.
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Old 7th April 2014, 06:07   #4014
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Originally Posted by docmoya2007 View Post
Duratorq) and 10W-40, both Castrol. Which one should I go for it? Or should I source the specified oil(i.e. 10W-30) from a place where it is available, e.g. Delhi? Your advice would be of immense help.
Doesn't FASS have stock of the required oil?

Try and get Castrol Magnatec 10W40 which is good enough for the weather conditions in India.

Anurag.
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Old 7th April 2014, 09:09   #4015
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Default Re: ARTICLE: Synthetic oil vs Mineral oil

Quote:
Originally Posted by docmoya2007 View Post
Recently moved out of Delhi to a place where there is no authorised Ford service stations. I own a Ford Fiesta Classic SXi Duratec (2011). Engine oil change is due but I could not find the recommended 10W-30. I could find only 5W-30(recommended for Diesel engine/ Duratorq) and 10W-40, both Castrol. Which one should I go for it? Or should I source the specified oil(i.e. 10W-30) from a place where it is available, e.g. Delhi? Your advice would be of immense help.
5W30 is also fine. You can go with it.

But ensure that you go for the right spec engine oil for your Petrol car.
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Old 14th April 2014, 00:12   #4016
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Hi!

Does anyone have rates for some decent mineral\ semi- synth oils? I'm looking at 5W40 or 10w40. Depending on the cost and SAI rating I'll take a pick.

I don't want 10w50 as those are VI additive boosted oils that are going to deteriorate and become miserable around the change interval.

Car : Santo Xing

Any ideas on this ?

http://www.snapdeal.com/product/ows-...ne-oil/1147599

It's hydrocracked, sure, but would it be any better than a semi synth?

Last edited by Samurai : 14th April 2014 at 16:05. Reason: back-to-back post
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Old 14th April 2014, 13:34   #4017
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Default Re: ARTICLE: Synthetic oil vs Mineral oil

Hello Experts,

I have a Tata Manza diesel . Current ODO - 43-44000 kms (don't exactly remember)

Completed a Mumbai - Igatpuri-Ghoti-Shirdi- Shingnapur - Chakan(pune)- Mumbai trip on Saturday -Sunday . (Aprox 651 kms total)

5 adults + my 7 year old son on board.
(p1mode on dieseltronic racechip through out the trip)
Driving style - slightly Aggressive.
Mileage i got is 15.74kmpl.
(a few long car parks with AC on can also be a reason for low mileage)
The weather outside was super hot.
AC had to be on max + fan speed on max most of the times.

Overtaking on some Single lane highways isn't a problem at all.
But have to admit it isn't as effortless as say a Vento(torqey)/chevy cruz . (i have driven a vento & cruze with 3/4 people on board only). However steering feel wise i like MANZA better(may be due to the hydraulic setup) than Vento(a little lighter than my liking).
Of course Cruze is far superior in most aspects.
However the Ground clearance advantage + ride quality & bad road behavior of the Manza is still worth a mention here.
This was the 1st time i was driving the Manza on the highway with more than 4 on board(had 6 on board + full luggage packed boot).

Also i am not so happy with the engine feel in 2200-3000-3300/3400 RPM band.
The smoothness which used to be there till 20,000kms on the ODO is not there. i was using MOBIL 1 Fully synthetic till that time .
Also i don't know the exact reason for this feeling ..
1)is it the just the oil or
2)or was it just the excessive weight due to 6(5 adults + 7 yr old) on board & luggage packed boot straining the puny 1.3 QJET engine?
3)or something else?
4)or some minor issue with turbo?
5)or just a slight degradation of NVH insulation over the period of 3 years ?
This is 1 question in my mind since last 3-4months now.
Initially i thought it was due to PETRONAS oil change at 20,000kms service.
But it is still the same with CASTROL EDGE which i have put at last service around 2-3000 kms ago.
I don't understand why have TATA discontinued MOBIL 1 fully synthetic oil.
6)I have piper cross air filter which i have been using since 18000kms .
No cleaning of the same has been done since then (now the ODO is 42-43K) The Air filter visibly looks clean and not so clogged to naked eye
7)Can it be due to Diseltronic tuning box? ( i was driving in p1 mode through out the trip)
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Old 14th April 2014, 14:46   #4018
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Quote:
Originally Posted by madhu33 View Post
Also i am not so happy with the engine feel in 2200-3000-3300/3400 RPM band.
The smoothness which used to be there till 20,000kms on the ODO is not there. i was using MOBIL 1 Fully synthetic till that time .
Try using Mobil Fully Synthetic oil once again. You problem could get solved. I love the Mobil oil and the smoothness it gets while on move. I feel both the Shell and Mobil - both fully synthetic that are used by MASS make the car silent and smooth.

Anurag.
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Old 14th April 2014, 19:54   #4019
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Quote:
Originally Posted by madhu33 View Post
Also i am not so happy with the engine feel in 2200-3000-3300/3400 RPM band.
The smoothness which used to be there till 20,000kms on the ODO is not there. i was using MOBIL 1 Fully synthetic till that time .
Also i don't know the exact reason for this feeling ..
1)is it the just the oil
Quote:
radation of NVH insulation over the period of 3 years ?
This is 1 question in my mind since last 3-4months now.
Initially i thought it was due to PETRONAS oil change at 20,000kms service.
But it is still the same with CASTROL EDGE which i have put at last service around 2-3000 kms ago.
I don't understand why have TATA discontinued MOBIL 1 fully synthetic oil.
AFAIK Mobil 1 is a petrol engine specific full synthetic oil. For the mjd you can try Mobil Delvac 1 full synthetic oil specific for diesel engines. Majority of t-bhpians have been using the delvac series and are quite happy with it.

Mod Note : Please quote ONLY the relevant bits of a post. Quoting a full, long post inconveniences our mobile readers.

Thanks!

Last edited by Aditya : 15th April 2014 at 11:24.
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Old 14th April 2014, 21:47   #4020
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Default Re: ARTICLE: Synthetic oil vs Mineral oil

I have bought a 3.5 litre can of Shell Helix HX-7, 10W40 (API-SM) oil for the next service of my Alto. The service falls due in June, but I usually buy the oil in advance. My car does about 5K KM per year, and I have been very happy with this oil. Costs Rs 1540.00 MRP.
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