Quote:
Originally Posted by CHAOS
whats the point of an oil analysis?
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I use Blackstone Labs (Link posted above).
I mainly use it to determine how long my oil can last and also what condition my engine is in. If there is any excessive wear and tear, there will be an abnormal amount of metal XYZ in the oil. You'll need to find out what materials your engine components are made of to make a good analysis, though.
Running Mobil 10w-30, I've found that my 97 Miata can get about 5500 miles before there is viscosity break down. I switched to Amsoil and found that I can go 10,000+ miles. I didn't go to a longer interval since I change out both the oil and filter every 12 months; I just didn't drive it enough in one year to find the limit of Amsoil.
I'll be doing the same tests on my MSM but I don't expect the same mileage due to the extra power and heat that it makes over my 97. I'm running Mobil 1 now and then will switch to Amsoil on the next change. I use OE Mazda filters.
For $20, it's a good bargain to find out what's going on inside your engine and what oils are good and which ones aren't. If I drove more, I'd test out different brands.