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Oils Aint Oils <Merged Thread>


rorojoe

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  • Location: perth

hi,

ive just bought a ba xr6t manual and I think it runs like poo I didn't check the oil wen I bought it but I checked it then and its half full and oil is black. its been just over 5000 km since last oil change he reckons. BUT this car has just done 200000km so I was just wundering if I should be using a thicker oil or not?

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Everyone seems to be running very low viscosity. 0w & 5w is super low stuff. I'll be chucking in royal purple 10w50 or whatever that range is & be done with it. I'm also hearing the aforementioned 2 second lifter tick as described too

Edited by FiftyOne
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  • I'm getten too old for this s**t
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Use the liquimoly engine flush...then, purple ( as above ) or nulon

Edited by BenDoCo
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  • Member For: 14y 9m 23d
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Everyone seems to be running very low viscosity. 0w & 5w is super low stuff. I'll be chucking in royal purple 10w50 or whatever that range is & be done with it. I'm also hearing the aforementioned 2 second lifter tick as described too

Remember when using full syn the first number can be low as its just a closer starting viscosity which is better for the engine. The main thing is to have the correct end weight so that depending on your driving the oil is at the viscosity that the engine requires to be properly lubricated.

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  • Moar Powar Babeh
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wiki4lyf (well mobil's website really)

Question: Explaining Viscosity Designations What does 10W-40, 5W-30 etc., mean? I would really appreciate it if you could explain it in simple language so I can teach my students. There are so many different grades of oils. Which one is better to use in summer than winter (Chicago) and vise versa? Thanks a lot. -- Vijay Patel, Lake Zurich, IL spacer.gif Answer: In simple language, the first part of the viscosity designation (W grade) is an indication of the product's ability to help an engine crank and start and for the engine to pump the lubricant. The lower the number (0W is the lowest), the lower the temperature the product can be used. So the W grade is related to the lowest temperature your engine sees when you start the engine on the coldest morning of the year. But also keep in mind that a lower W grade pumps and helps an engine to start better than a higher W grade. The second part the viscosity grade is related to the viscosity your engine sees at operating temperature. In this case, a higher number is a higher viscosity grade and provides more viscous oil at operating temperature than lower viscosity grade oil. It is not safe to assume that a higher viscosity oil is always better for your engine because other factors, such as engine design, fuel economy and power, are also related to operating viscosity. You should always consult your owner's manual for the right oil to use for your particular engine. For more information on the viscosity grade specifications, a quick search of the Internet will identify several Web sites where information about SAE J300 (Viscosity Properties Test) can be found.
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