Quote:
| Originally Posted by Col996s Thanks guys. Why do Haynes specify 10w40?
I am reluctant to throw the oil that I have away. |
I assume it's because they allow for temperature variants, north pole to africa if you will. I used 10/40 for ages with no ill effects apart from I was forever topping the level up. It burnt oil like an old banger 15/50 cured it.
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