I generally change oil after every track weekend, maybe 500 miles for a 3 days weekend. This particular sample I ran the car for 1000 miles before changing the oil.
Hello people of the forum!
I am starting to do regular oil analysis through Blackstone Labs to keep track of engine health. My engine (2.0 MRZ no turbo) currently has just over 5200 miles on it and I found some carbonaceous material in the filter after my last race. Curious I sent of this...