Hi delsoo. If you have read the links zeng posted, you would see petronas oil is well respected worldwide. You must understand Petronas isnt a 2 bit local company. They partner with world class blenders and hire some of the worlds best engineers..etc.
The only malaysian companies that i have no confidence in are..mazlub, jtx,hardex,platinum oil..jetron..you know what i mean..

LOL, I have never heard the company that you mentioned.... Mazlab, Jetron.....

LOL, I have never heard the company that you mentioned.... Mazlab, Jetron.....

how about hyrax ? , its good you haven't heard of them.

What's wrong with Hyrax? Like Petronas, they have API certification.

No, I know only total, hi-rev, Castrol only.... I used Castrol 20-50 for my saga. I used hi-rev 10-40 for my old Honda city...

currently using valvoline on rb20det.. very nice but not cheap.

For a company like hyrax to claim that they make such good oils...they must really know their stuff right ? How is it possible on their top of the line 0w30 to have both ilsac gf5 and acea a3/b4 ? Either they dont know much about oils..mislabel..or downright lying.
So if they are cheating about these specs..what else are they cheating on ? API cert is one thing..but what if yr engine requires other cert ..and they claim it meets those specs but does not actually meet or exceed those specs..then how ?

well to my surprise lol
https://engineoil.api.org/Directory/EolcsRe...andName%3Dhyrax

So it is GF-5, that means cant be ACEA A3/B4. then they shouldn't display that on the label. API specs are pretty easy to pass.

Hi alcyon,

What about Bosch X7, Bardahl MXP, BHP SynGard, Lexus, Mitsubishi or even Tesco brands?

Mind sharing the link zeng posted?

I have tried BHP Syngard, nothing much to say about it, did not do a UOA, and i will probably not try it again and and have no incentive to do so.
BOSCH, Bardahl should be good oils, again , never tried them. Lexus , I dont know. Mitsubishi i heard is packaged by ENEOS and the full syn can be had for RM99 on sale at AEON. seems like a good buy , but the shear stability might not be up to par with Shell. Its a 5W-40, so if the shear stability isnt good might go down to a 30. Only way to know is do a UOA. May try it in the future but as I have already tried CASTROL 0W-40 and Shell 5W-40 and results are almost the same so I see no point in trying a other brand 5W-40, its probably not gonna do any better.
I am trying a 30 monograde now, just to study the effects of oil with VII and one without.

Bardhal 15w-40 Semi Synthetic - RM 85
Bardhal 0w-40 Fully Synthetic - RM 120

If I am not mistaken.

Anyone come across http://www.aveno-oil.de/en/passenger-car-e...-synthetic.html ?

Thanks a lot for sharing. Keep up the effort.

Post #64 of this thread.

Lying ...., I speculate.