Quote:
Originally Posted by onebluemcm
Differences in specs sort of depend on the whole scale of the measurement - are those differences statistically different do you think? Are they different enough to be a concern?
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For a street car, absolutely not on both accounts; I think the EDGE Professional should be perfectly fine on a street car.
On a race track in the summer, I have some doubts as oil temps are in the 230-240°F range and the new oil will have lower viscosity. Whether that increases bearing wear (a weak point on this engine), I won't know until I get some Blackstone reports this year.
I will report back. Since most dealers are selling this, I will use the oil and let objective oil analysis help decide whether I will keep using this or switch.
Spec sheets from Castrol -
Castrol EDGE Professional TWS 10w60 Spec
Castrol TWS Motorsport 10w60 Spec