Quote:
Originally Posted by Dave at Pelican Parts
Probably no advantages, and the oil will not flow as well at the colder end of your temperature range. It's not likely to cause significant problems, at least not quickly, but I wouldn't change over.
You might wind up with a small hit to fuel economy from oil pumping power losses, but it might be too small to measure.
--DD
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Ok cool ... yeah I'll stick with the full synthetic 5W30.
Thanks!