All engines are different depending on ring seating....the harder driven during breakin, the less oil usage as the rings seat better (you only have a 500 mile initial window or the cylinders glaze over, and the rings if not seated will allow excess blow by and oil usage.
The main thing is you add one of the few good cans like this from day one, and (personal choice) break it in properly...and that's drive it hard enough to seat those rings.
If you have a LLT or LFX and are NOT running one, here is what your intake valves look like:
http://www.google.com/search?q=intak...w=2021&bih=875
