Re: Meet GheyRay: Lower, Wider, Lighter!
Awhile back I did some reading, and it seems like the additive package provides more protection than the hot weight of the oil. At the high racing temps, say 270*, there isn't that much viscosity difference between a 30W and 40W oil. I guess a 20W oil is a bit thin though.
Anyway, sorry to hear about your oil overfill issues. Glad they are making it right.
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