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> Engine Oil Reviews/Technical talk v2, Everything Automotive lubricants/fluids

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TSQuazacolt
post Jun 13 2019, 03:26 AM

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QUOTE(tiptop3999 @ Jun 12 2019, 08:14 PM)
Dear sifus, i heard that it's better to change the semi synthetic EO every 6 months although the mileage travelled not yet reach 7000km, is it right ? for fully synthetic, how long it can the EO sustain ?
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Yes you can stay with 6 months for semi and a year for fully - provided the additive package is sufficient and it is a genuine product from a reputable brand and especially if they market/endorse it like AMSOIL XL/Signature series or Mobil annual protection.

Otherwise stick with 6 months even with fully.
empire23
post Jun 13 2019, 08:15 AM

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QUOTE(Quazacolt @ Jun 12 2019, 07:40 PM)
wow 981... your life my dream tongue.gif

it is a pity really, when we're still stuck on "OIL MANTAPS" talks:
"i dunno, feels smooth"
"use a while no smooth"
and among the annoying ones:
"WA HOW CAN USE WINTER OIL?"
"YOU PREPARE HALF CUT YET?"
"MALAYSIA HOT, ONLY OTHER COUNTRY GOT WINTER COLD!"

after almost 5 years since i start diving into UOA, i STILL get people unable to accept 0w20 despite that's what the manufacturer calling for.
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Well, tribology is as we say the bastard child of mechanical engineering and chemistry. The complexity of both makes it a very complex topic, so people like to simplify it mah.

When you going to turbine level quantities and potentially non-Newtonian fluids, we already sit down an calculate shit like Reynolds numbers and shear viscosity effects, so I can understand why people prefer the butt dyno.

That's why we pay the Tribo experts so much laugh.gif

But as for me, if you have a good baseline and one oil works well for the car, it'll be fine. The key is to choosing the right characteristics for the right engine, and the best place to start is the manufacturers recommendations. Even with all our lab equipment, test systems and literally a giant oil company behind us, we always start from what the OEM/Vendor recommends and assume it's the best.
TSQuazacolt
post Jun 13 2019, 08:23 AM

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QUOTE(empire23 @ Jun 13 2019, 08:15 AM)
Well, tribology is as we say the bastard child of mechanical engineering and chemistry. The complexity of both makes it a very complex topic, so people like to simplify it mah.

When you going to turbine level quantities and potentially non-Newtonian fluids, we already sit down an calculate shit like Reynolds numbers and shear viscosity effects, so I can understand why people prefer the butt dyno.

That's why we pay the Tribo experts so much laugh.gif

But as for me, if you have a good baseline and one oil works well for the car, it'll be fine. The key is to choosing the right characteristics for the right engine, and the best place to start is the manufacturers recommendations. Even with all our lab equipment, test systems and literally a giant oil company behind us, we always start from what the OEM/Vendor recommends and assume it's the best.
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hahaha good one bro.
interesting way to start a morning (or for me ending, since im on night shifts)

totally agree with you right there and that's what i've done previously and right now. thumbup.gif
tiptop3999
post Jun 13 2019, 06:37 PM

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QUOTE(Quazacolt @ Jun 13 2019, 03:26 AM)
Yes you can stay with 6 months for semi and a year for fully - provided the additive package is sufficient and it is a genuine product from a reputable brand and especially if they market/endorse it like AMSOIL XL/Signature series or Mobil annual protection.

Otherwise stick with 6 months even with fully.
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I am wondering the oil filter can sustain up to 1 year ? Should i stock to the car manufaturer ori oil filter if i want to use the oil for 1 year ?
TSQuazacolt
post Jun 14 2019, 12:44 AM

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QUOTE(tiptop3999 @ Jun 13 2019, 06:37 PM)
I am wondering the oil filter can sustain up to 1 year ? Should i stock to the car manufaturer ori oil filter if i want to use the oil for 1 year ?
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If low mileage, I think no problem.

It's your car, your choice.
Stick to manufacturer recommendations if you're in doubt and especially if you're still under warranty.
metaloid
post Jun 21 2019, 01:29 PM

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Whta do u recommend for 2014 gt86? Is valvoline 5w40 okay or 5w30? I don't need performance oil like motul.
TSQuazacolt
post Jun 21 2019, 02:10 PM

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QUOTE(metaloid @ Jun 21 2019, 01:29 PM)
Whta do u recommend for 2014 gt86? Is valvoline 5w40 okay or 5w30? I don't need performance oil like motul.
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0w20

Used oil analysis (total of 4 reports 2 cars 2 engine oils) on the front page
ayamxxx
post Jun 21 2019, 04:33 PM

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QUOTE(Quazacolt @ Jun 21 2019, 02:10 PM)
0w20

Used oil analysis (total of 4 reports 2 cars 2 engine oils) on the front page
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Any idea how to get the oil with that rating?
Previously send sc honda with 0w-20. Now already had the warranty expires.
Dont forsee to buy online due to risk of fake oil

Tesco always have 5w40 only under shell helix.
metaloid
post Jun 21 2019, 05:50 PM

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QUOTE(Quazacolt @ Jun 21 2019, 02:10 PM)
0w20

Used oil analysis (total of 4 reports 2 cars 2 engine oils) on the front page
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Since its easier to get hold of 5w30 it shouldn't have too much difference with 0w20 I think?
TSQuazacolt
post Jun 21 2019, 07:05 PM

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QUOTE(ayamxxx @ Jun 21 2019, 04:33 PM)
Any idea how to get the oil with that rating?
Previously send sc honda with 0w-20. Now already had the warranty expires.
Dont forsee to buy online due to risk of fake oil

Tesco always have 5w40 only under shell helix.
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Reputable sellers/dealers

Can try Penrite, AMSOIL, Motul, easily can get that viscosity rating

QUOTE(metaloid @ Jun 21 2019, 05:50 PM)
Since its easier to get hold of 5w30 it shouldn't have too much difference with 0w20 I think?
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To me, w20 and w30 not much difference in availability.
Albeit Penrite racing already discontinued 0w20 so in that sense you're correct.

Ultimately it's your call, I just prefer sticking with 0w20 cuz of my experiences and oil pressure /temperature gauge monitoring.
watabakiu
post Yesterday, 09:50 PM

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Shell High Mileage 10w-40 is mineral?



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