I have a 1999 Miata that I use as my track car. It's street legal, with a stock motor and the usual modifications (intake/header/exhaust). I've been running M1 0W-40 and recently moved to Red Line 0W-30. A typical weekend will have me putting, say, 200 to 250 miles on the car. If it were one of my street cars, I'd run 5000 to 10000 mile OCIs depending on UOA feedback, but that feels wrong for a car that sees a lot of track time.
So, how does one find the right OCI for a "race car"?
And in case you're curious, here's some video of a fast lap a few weeks ago:
http://www.youtube.com/watch?v=5KZRuZzsazQ
robert
So, how does one find the right OCI for a "race car"?
And in case you're curious, here's some video of a fast lap a few weeks ago:
http://www.youtube.com/watch?v=5KZRuZzsazQ
robert