According to wishiwasupthere, that's just stuff you read on the Internet, FoolC!
All discussions about piston engine operations are implicitly about ROP and LOP, because:
- if an engine's running, each piston is
somewhere on that lean curve, and
- the
only way - repeat, the
ONLY WAY - to be sure that you are NOT doing something that you should "definitely NOT do" is to know where each cylinder is on that curve.