OK, will ask the foreman to keep the used Oil Filter for me
GA16 uses timing chain.

My understanding of timinig chain is it shears oil viscosity in use, probably up to 10,000 km or so.
With 'life time' timing chain in my Avanza K3VE, xW40 is my go-to oil, among other operating conditions.

Most of the oil shearing are at the high pressure areas like the cam lobes, valve heads/rocker, crank bearings, crank journal, etc. If don't explore much rev above 4000rpm, most of the oil degradation is from the depletion of the additives, not really due to oil shear.

Yup gonna change to Duron XL 15W40 soon.
0w30 variant sold out already haha..
This motor prefer high SAPS oil.

Done oil change just now. Labour RM15.
Observed colour of drained oil, it was dark brown.

Wa...the labour cost at your place so nice one. My side at least double

Haha, ya, RM15 is considered as minimum labour charge nowadays. Somemore got free checking air filter, coolant level, brake fluid level, power steering fluid level , although I myself can check too.

UOA's of black coloured (including those with dark hue) used oils on Bitog do often indicate continuing serviceability of said oil with good/low metal wear rates, Flash point, TBN, insolubles etc.
Plus your uploading of Blotter spot tests before this, I would speculate this dark brown coloured used oil is probably still serviceable.
Engine varnish, if any, in itself is not a sign of definite engine failure.

Agree with you.....
and timing chains and turbos do contribute to viscosity shearing.



https://bobistheoilguy.com/valve-train-and-...ing-chain-wear/

This post has been edited by zeng: May 24 2017, 06:52 PM

Yeah I think so too , but given the oil already in service for 17 months, i think it already well reflected its value

Conclusion on ..?

Without knowing your engine type, its mechanical conditions, your driving pattern etc , my short answer is no .....
assuming you're in the typical league of early oil change (like mineral oil for < 5000 km; semisyn oil for <8000 km and fullsyn <10000 km) as Insurance , peace of mind bla bla bla.
Heck, most of you guy's oils are without ACEA A3B4 specifications! ..... never mind it's fully synthetics.

Do note Quartz Energy 10W40 has favourable specs in ACEA A3B4, among others like API, VW and MB for components protection.

I've stacks of fullsyn like Shell Ultra 5W40 and Mobil 1 0W40 ..... likely OCI in this (Japanese) engine would be 18000-20000 km...... in times to come.

This post has been edited by zeng: May 28 2017, 05:11 PM

Round B.
Total Quartz 7000 Energy 10W40.
Avanza 1.3L K3-VE
5087 km in use.

72 hour Blotter Spot Test





... and going.

This post has been edited by zeng: Aug 17 2017, 11:40 PM

Car make: Proton Wira
Engine: 1.5 auto
EO: Shell 5w-30
Mileage: app 8500km
Odo: 323200km


Attached thumbnail(s)

Senscents, is it HX7 5W30, semi synthetics ?
http://www.shell.com.my/motorists/oils-lub...-hx7-5w-30.html
If it is, it's a good oil.
But your Blotter Spot test looks a bit poor ........

Is your engine carburrettor type or port injection type , also meaning what year model ?

Thank you for sharing, btw.

This post has been edited by zeng: Oct 17 2017, 07:33 AM

engine carburrettor type 1997.
EO full synthetic


Attached thumbnail(s)

Thank you for feedback and the image showing this 5W30 being fully synthetics.

Yeah, my wira 4G15 is carburrettor type too, from year 1994.
Will post here later when I locate photo with 8600 something km , in Petronas Supremo 15W40.
I think my used oil Blotter Spot Test is 'better' than yours.Wait and see if I can find them.

Senscents , have you replaced the oil ?
As I'm of the opinion it's long overdue ....... when replacing this used oil, try take photo and upload here to see if its colour is dark grey or black without goldenish/amber colour.

Do your consider your engine is well maintained ? Like most Oil change intervals OCI normally at 8500 km.
I suppose you're aware generally carburrettor combustion is not as clean as MPI port injection , right?

Don't you think there may be something wrong with this Formula Shell 5W30 which claims 'fully synthetics' ?

Yeah just replace the EO few days back. Previuosly was using mineral with 5000km oc, just recently around 2 years trying out FS with around 8500km oc. For mineral it's about 4months and FS about 6months.
Like most of us the OCI of 5k km for mineral and 8k - 10k km for FS, can consider that the engine are very well taken care of. Right?
I'm not mechanically or technically knowledgeable regarding the cleanliness of carburrerator or mpi port injector.
Just a novice trying to maintain a good codition of a car.
I really don't have the knowledge of this Shell FS oil on what is wrong regarding it. Mind to elaborate.

Sigh of relief.
It's good that you have replaced the oil, whose Blotter Spot seems poor/weak/bad as compared to my 12,238 km or longer Blotter Spots (semisyn Total Quartz 10W40) in K3VE Avanza in post no. 1 .
While draining the oil, do you notice your oil was dark grey or black ?
What's the current oil in the sump now, is it Formula Shell 5W30 as per your photo ?



As a rule of thumb, 5000 -8000 km OCI for mineral oil and 8000-12000 km for FS should be fine, as you may have noted I did 16000 plus km OCI with a semisyn.
For our weather, oils of 4 months or 6 months or more than 12 months old also doesn't matter
But you have a problem here as your photo of Formula Shell 5W30 , I believe , is NOT Full Synthetic or Semi Synthetic as per photo.
..and it shows a rather poor Blotter Spot as per your upload above.
I believe it is a normal mineral oil as shown below :


which says at the bottom something like :
"use Formula Shell 5W30 (SN GF-5) conventional motor oil."

This post has been edited by zeng: Oct 17 2017, 08:30 PM

While draining the oil was very dark brown almost like black but i must say that the place was not well lighted also.
Still using the same FormulaShell FS 5w30 as posted, same 1quart bottle and lable as indicated.
By your opinion any thing wrong with the eo and blotter test.