Originally Posted by AK370Z

Because EVERY single driver is different. You can give 10 370Z owners exact same oil change with same oil and filter. Six months later each one will have very different oil analysis report. Someone who is tracking their car will def get a different analysis than the one shifting at 3500 all the time and going to office.

A lot of people on the forum do their own oil analysis but it's for their own knowledge. The blackstone guys will clearly tell you when to do your next oil change (how many miles), how's the wear etc. But, I don't think you can take that info and use it as guideline. Again, just my