5w/40, non-synthetic?

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Originally Posted By: used_0il
I asked him the pour point question a few days ago, so its leftovers.

The SAE "W" grade reveals more information about the cold
weather suitability of a lubricant, instead of using the pour point
as evidence.

Or something like that.

At the time cater had one example, now he has two and counting.



A
Originally Posted By: 901Memphis
Originally Posted By: wemay
10wXX oils get trashed here a lot. But out there, in the real world, people are still usng this 'obsolete' spec and getting the same total miles on their vehicle as others do on 5w or 0w. Isn't that the bottom line.


And people are still smoking cigarettes even though we know they do no good. I might live to be 100 if i smoke and drink every day, but i might get cancer and die at 50 from either one.


Oh my! A red herring...
 
If you find a 5W40 dino, I'd steer clear...may as well get a 5W30, because that's what it will be soon.
 
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