[quote=Easy Rider]
Quote:
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Originally Posted by "David Bo":1yic3vuo
Isn't Rotella T Synthetic in the blue jug 5W-40 (as opposed to 10W-40)?
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Yes but shouldn't be a problem for anybody except maybe those living in the desert southwest, where the temps get to 120F or above.[/quote:1yic3vuo]
Why exactly? At temperature a 5W-40 oil will have the same viscosity as a 10W-40 oil.