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 (WTA) ENGINE OIL GRADING n TYPES, wrong oil ive been using

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ThunderGod_Cid
post Jul 7 2011, 10:24 PM

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QUOTE(gagak_84 @ Jul 7 2011, 04:26 PM)
Group 3 +
but the quality is SL (2001 grade) low quality .. current quality is SM at least. 

API SM has higher requirements for the lubricants to meet such as superior engine performance, protection and cleanliness as compared to the requirements of API SL.mproved deposit protection, better wear protection, and better low-temperature performance over the life of the oil.
+ the engine oil is hard to turn black and can go KM and better engine protection.
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SL doesn't mean it's low quality, alright? These API standards are only benchmark lines. So what if the oil bottle describes "exceeds API SL/SM"? Have you really tried liqui moly's oils?

By the way... the oil IS GREYISH BLACK IN COLOUR


Added on July 7, 2011, 10:34 pmusing a 0w30 and 5w30 is not gonna make any difference I shall say. You should take a look at a VISCOSITY CHART and have a look at 0w and 5w is at WHAT TEMPERATURE. And we willch never, ever experience none of these temperatures, not even in Genting nor Cameron.

Heck, I've even used SAE40 monogrades in my engine without any problems. These oils are better in general as they don't have polymers to stretch the viscosities. So.. where's the damage?


You've been telling the whole forum that you can't, or it's not advisable to use a 0w30 on a viva. Therefore, everyone got this wrong knowledge and follow, thus the conclusion to your facts.


No offense, but do you really know how to read the viscosity chart?


Lastly, if you agree that Liqui Moly's Oil is only at SL and is deemed lousy, here's a fact :

I respect all my Threebond customers when they say they get E oil from online sellers, at a much cheaper price than I sell my LiquiMoly and Qmax. However, the moment they pour a bottle of liqui moly engine oil into their crankcase, I'm deemed to get return customers.

Liqui Moly retains it's oil quality even after 5-6k



dot


Added on July 7, 2011, 10:36 pmAnother fact?


Use too thick of an oil for engine, the oil doesnt pass through the oil channels properly.

Use too thin of an oil for engine, you lose oil pressure


Use too thick of an oil for engine, it becomes sluggish

Use too thin of an oil for an engine, premature failure and seizure due to lubricating film breaking at certain circumstances


Added on July 7, 2011, 10:38 pm
QUOTE(gagak_84 @ May 19 2011, 07:05 PM)
then can used 0w50?
some part u are wrong..
W = winter, this show how well the engine is lubricate during cold start.. but it also show the density and thickness of the oil itself.


Added on May 19, 2011, 7:06 pm

used ENEOS, if cant find it try Castrol magnatec, if hard to find try petronas.
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Answer is NO. Because 0w50 is too thick for viva. That's common sense. If 0w30 I'd happily agree

This post has been edited by ThunderGod_Cid: Jul 7 2011, 10:38 PM
ThunderGod_Cid
post Jul 8 2011, 12:24 AM

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QUOTE(ultramaman @ Jul 8 2011, 12:20 AM)
I dont get why so much hatred for liqui moly...
There is one bmw expert in kota damansara that pours liqui moly for his clients... If its really bad why would he use it on beemers?
Checking the forums online, many 911 owners in us /uk also pour it for their cars...

So, why te hatred?
*
You flushed the engine already wink.gif. You know what to try next lol.

ThunderGod_Cid
post Jul 8 2011, 01:00 AM

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as i mentioned in the other oil thread. It's all about advertising.

The MOS2 additive is what makes the engine oil a tad pricey compared to their competitors. And also do note that the 5w40 Synthoil fully synth from Liquimoly do not have MOS2.. hence I carry Qmax as it performs much better.

Or well.. maybe there were just plain dumb =.=
ThunderGod_Cid
post Jul 8 2011, 09:54 PM

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looks like my long post of right facts went unread =.=
ThunderGod_Cid
post Jul 9 2011, 11:43 AM

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cold start at cold temperatures referring to the viscosity chart, not 'malaysian' chart.


lol
ThunderGod_Cid
post Jul 11 2011, 10:55 AM

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xphr34k : http://forum.lowyat.net/topic/1882978/+40#
ThunderGod_Cid
post Jul 12 2011, 09:39 AM

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and why not the piston rings?
ThunderGod_Cid
post Jul 12 2011, 11:47 AM

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QUOTE(gagak_84 @ Jul 12 2011, 10:18 AM)
do u understand selalu = normally? im not saying it not caused by piston rings.
*
selalu = always

biasanya = normally?
ThunderGod_Cid
post Jul 12 2011, 12:21 PM

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QUOTE(gagak_84 @ Jul 12 2011, 09:37 AM)
betul tu.. selalu valve seal jer.. tak sampai piston ring...
guna thicker oil will not solve the problem but will reduce the problem... for the moment used 15w40 or 20w50
*
thanks., learnt something new today
ThunderGod_Cid
post Jul 12 2011, 02:44 PM

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piston rings are a wear and tear item. sooner or later you'll have smoke through the exhaust... if not, breather pipe on top of the cam cover.

Piston may be slapping due to loose rings, bore may be eating up, etc.

ThunderGod_Cid
post Jul 12 2011, 04:38 PM

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QUOTE(gagak_84 @ Jul 12 2011, 04:26 PM)
thats y check the piston ring condition when take out the head.. if dont have problem no need to replace.. same thing for water pump fins... if the water pressure is still ok there is no need to replace it.. if owner have money.. just change it both.
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this is how you'lls care the customer most. Why not just do a simple compression test before taking the head off? It's no guarantee that the rings are okay even if you try to move the pistons to check for slappings.


ThunderGod_Cid
post Jul 12 2011, 05:10 PM

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QUOTE(gagak_84 @ Jul 12 2011, 05:01 PM)
tuhan kilat..

we are talking about during overhaul.. why suddenly want to do basic  compression check? yes it will better to do compression check first..
during overhaul also u can check the piston whether got slapping or not, or you can check piston goyang or not..
when makan minyak hitam.. confirm u want to change valve seal.. physical check at piston is to confirm.
anyway if want to discuss about this better put another thread..
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I'd trust a compression dry and wet test before performing a top overhaul anytime over trying to move your piston around. For all you know you may be losing 10psi per cylinder whilist the pistons are still tight.
ThunderGod_Cid
post Jul 12 2011, 05:44 PM

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not same for all engines mind you

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