Ive used several different oils in my type dc5r. Mobil 5w 30 castrol 5w 30 and motul 8100 5w 40 all of these were the top range oils all around $85 and motul was by far the better oil. (the easiest way to choose the best oil is go buy manufactures specifications and if the engine is worn go with a slightly heavier oil, like everyone says you get what you pay for) spend the money and get the right specs and you cant go wrong. Ps castrol Magnetec is terrible, id use baby oil before that rubbish
Motul 8100 is fantastic stuff. the only other brand that has bettered me is royal purple.
i use motul regluarly (3000k change intervial, may be overkill but its good seeing the oil come out clean) and ill use royal purple during track time.
If the oil is coming out clean, then it is not cleaning the carbon deposits (or you have no carbon deposits to clean ). The blacker the oil gets, the better, since it means that the oil is suspending the carbon particles formed during combustion.
ok en0ugh of opini0nated slander. Who told u that magnatec is mineral? Its semisyn. Toyota and honda use it. I should knw i use to work ther
The 10w-40 has a mineral base stock with a small proportion of additive package (ester package to give polarity so that it is attracted to the metal). Of course, those additives are man-made, so Castrol calls it a semi-synthetic. However, it is NOT made of a mineral and synthetic mixture basestock, so in my opinion does not qualify to be called as a semi-synthetic.
For the cheap price in bulk (which is why dealers use it eventhough they should be using Honda FEO or Toyota's own branded oil), I don't expect much of Magnatec.
The only good Magnatec is the 10w-30 and is more expensive since it is a semi-synthetic (but not available anymore). Plus, I don't see any dealers using the Magnatec 10w-30.
Doesn't matter if you worked at a dealer before. That doesn't hold any weight. Only an oil analysis holds weight and I have seen analysis on the range of Magnatecs being tested on the famous engine oil forum. 10w-40 is a mineral with a tiny bit of ester, 5w-30 has a blended basestock.
Look at Castrol's technical datasheet. On every synthetic oil (even the pseudo-synthetic hydrocracked oils), they say it is synthetic. But for Magnatec, nowhere in the datasheet does it say that it is a synthetic oil. http://www.tds.castrol.com.au/default.aspx
man magnash#t is just cheap rubbish, what is with you people lol
It's the Power of Mass Media Advertising.
Notice that many can't even spell 'Magnatec' properly and it comes out 'Magnetic' LOL.
Just like why do so many people continue going to their neighbourhood Pedders shop for lowering and 'performance suspensions' even though those in the know are well aware that 90% of Pedders shops are crap? Because Pedders advertises heavily and people know no better.
Castrol Magnatec combines synthetic technology with intelligent melecules that cling like a magnet to critical engine parts, to create an additional layer of protection - http://www.datateck.com.au/lube/castr_au/default.asp
EDIT: upon a thorough search. i see mixed opinions about magnatec. alot of people claiming its shit and alot of people saying its great. im just going off what ive been trained. so personal experience tells me that its a fine oil and copes with heat just fine.
then again ive used all castrol oils in my GTRs and silvias and evos. 10w-60 took heat like a champ., 0w-40 was smooth as silk good economy didnt break down. the 5w-30 was shit house. caused solid lifters to chatter within 500kms on the gtr. was switched out with 0w-40. and out of my years of experience and advice from regular drift and track junkies i still use ROYAL PURPLE.10w-40. $80 a bottle. it takes heat better than castrol will ever do and yielded the best result in that commodore oil analysis years ago.
Castrol Magnatec combines synthetic technology with intelligent melecules that cling like a magnet to critical engine parts, to create an additional layer of protection - http://www.datateck.com.au/lube/castr_au/default.asp
Synthetic technology is a marketing blurb. The additive package has to be man-made as it is not naturally occurring. So Castrol used the words "synthetic technology" instead of saying that it is semi-synthetic. Having 5% synthetic additives in a 95% mineral oil does not make it a "true" semi-synthetic blended base stock.
Bear in mind that Castrol Edge 5w-30 that they call a synthetic engine oil is actually a hydrocracked mineral base stock oil. Castrol loves their marketing. Nothing wrong with the oil though, I still use the Edge 5w-30.
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). The blacker the oil gets, the better, since it means that the oil is suspending the carbon particles formed during combustion.
Originally Posted by *vtec-screamer
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