Paul kgyy wrote:
Their main purpose is to enable you to fly Lean of Peak. There is
some risk of engine damage if you don't have a good engine analyzer to
let you know what's going on.

Yeah, ya gotta have an egine analyzer. Get one like Charles Lindberg used.

Oh, wait, those weren't invented then. So how did multiple millions of
hours get flown LOP in the days when radial engines were king?

--
Frank Stutzman
Bonanza N494B "Hula Girl"
Boise, ID