Originally Posted by orionredwing
To the OP, if you haven't seen my thread yet, here's my used oil analysis from Blackstone Labs. I will be extending my 6.8K avg oil change interval up to 10K miles (w/ up to 2 track days) from now on. I'm sure I run my car harder than most tuned cars here, so take it for what it's worth. Every car performs differently, so I recommend doing your own UOI to fit your car and your driving style.
Great post. Thank you.
(finally, some factual analysis amongst the handwringing)