Quote:
Originally Posted by jvincent
Sorry for the slight off topic here.
I've been struggling with the validity of data from a UOA for the track. As I understand the process, they measure for wear metals and the current viscosity. I don't believe they address viscosity at high temps. So, while a really bad number can be a sign of wear, it's probably too late at that point and a "good" wear report may not be indicative of degraded high-temp viscosity, which is what we care about.
Personally I'd rather change the oil more frequently, a change only costs me ~$60, for the peace of mind.
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The gamut of tests include one for viscosity at 212F; they will let you know if your oil is degrading(shearing).
300V does not shear, period. It's also significantly more than $60 for one oil change.