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 Honda City i-dsi engine oil

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Gin87 P
post Apr 17 2021, 02:48 PM

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QUOTE(zeng @ Mar 5 2018, 10:31 PM)
Mineral and mineral A3B4 are 2 different things.
So are semi synthetic and semi synthetic A3B4 are 2 different things.
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Boss, Hilux Revo 2019, manual suggests 5W-30, ACEA B1-B5 or API CF & above, 5k km interval.

Also in the manual, same engine in countries that using diesel Euro5 & above, they suggest 0W-30 or 5W-30, ACEA C3 or ACEA B1-B5, 10,000 km interval.

I'm using Euro5 diesel, Helix Protect 0W-30, ACEA A3/B4. Is it possible to extend the interval to 10,000 km since I'm using supposedly cleaner diesel?

The engine oil is closing to 5k km, would submit the blotter test to your sub-forum for analysis to determine the engine oil's condition at 5k km.
Gin87 P
post Apr 17 2021, 11:51 PM

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QUOTE(zeng @ Apr 17 2021, 10:34 PM)
Helix Protect 0W30 A3B4 is a fully synthetic with a minimum High Temperature High Stress HTHS Viscosity of 3.5 mPa.s .

10,000 km oil change interval is easy meat , could go further if you are adventurous imho.

B1-B5 has a lower minimum HTHS viscosity of 2.9 mPa.s , it may be ok in a turbo engine on light duty use but I personally prefer A3B4/C3 oils with higher min HTHS viscosity of  3.5 mPa.s with options to whack the Hilux turbo engine once in a while or for Italian tune-up.

Do consider a C3 in future at similar price point for its far superior additive requirements compared to A3B4 .

FYI , ACEA C3 was introduced into Europe market in 2004 in conjunction with Euro 4 diesel launch.Malaysia's diesel is Euro 5, go figure.

I am impressed with my several observations of cleaner/better blotter spot tests performance of C3 oils in petrol engines vs non-C3 oils in my thread so far.
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🙏🏻 thanks a lot for the clarification sifu.

Regarding the manual's suggestion, I should rephrase B1-B5 as B1 through B5, so basically the Hilux can use B1, B2, B3, B4, & B5. If I'm not mistaken, B1 has been replaced with B5.

As for C3 oil, thanks for enlighten me on it's superior additives & performance, never really did researching on C class oil, cuz I've focusing on B class oil, hahah.
Regarding the difference between B4 oil & C3 oil, both have HTHS of 3.5, but B4 has TBN >10, & C3 has >6, doesn't it affects the acid neutralising capacity of the engine oil and thus it's oil change interval? As diesel produce more combustion acid than it's petrol counterpart.

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