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Post by ozo on Jun 9, 2017 9:01:13 GMT -5
I would not really use 4t oil in my 2t but it just seems odd that in this modern day and age that our scientists could not come up with a universal oil at a reasonable price. I did see another candidate at $30 a gallon and like the Yamalube I mentioned earlier it is semi-synthetic. What is semi-synthetic anyway? Is it not synthetic? www.amazon.com/gp/product/B0002KKTWC/ref=oh_aui_detailpage_o00_s00?ie=UTF8&psc=1
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Oil Ratio
Jun 9, 2017 12:08:05 GMT -5
via mobile
Post by kagetenshi on Jun 9, 2017 12:08:05 GMT -5
I don't know the science behind it, but semi-synthetic oils are compatible with both synthetic and conventional oils. I've always been told that once you go full synthetic that it's a pain to go back because of the two not mixing correctly.
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Post by ozo on Jun 9, 2017 14:49:11 GMT -5
I read the thread against using "marine grade" oil above but have been looking further and found this (link) here is an excerpt: "TC-W3® lubricant, an NMMA-owned trademark, has evolved over the years through much testing and research, and has proven to be the level of quality needed to satisfy the above objectives. And, going a step further, now that two-stroke engines have moved towards higher cylinder temperatures and compressions, this type of lubricant also helps to meet the EPA emissions reductions. TC-W3® has demonstrated the necessary lubrication performance quality needed for these more demanding cylinder/engine conditions." TC-W3 (outboard motor oil rating) has been recommended for all 2t engines in some advertisements I have seen. I think the key word here is "evolved". Laboratory research is continually making improvements to many chemical formulas so I am thinking todays outboard oil is not the same as granddads. Marine grade with WC-W3 rating may even be better for air cooled 2T engines than say Yamalube 2S. Still, that is just an opinion as there is no way to verify it. www.nmma.org/certification/oil/tc-w3
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