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Old 05-09-2010, 07:39 PM   #374 (permalink)
blackflag
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Normally, I'd say it's not a problem, and I used to run 10w40 all the time.

But the VVEL system is designed for 5w30. Anything else is bad, in my opinion. It either wouldn't be getting enough flow, or getting enough viscosity, with anything higher or lower.
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