"Jose" wrote:

This runs counter to my understanding and practice. I lean (50
degrees ROP) in cruise at all altitudes, including the ones where I
can pick the leaves off the trees, and I run 70-75% power. Running
full rich is just dumping a third of the fuel out the tailpipe.

Agree. Running full rich is wasteful, usually.

I lean for taxi and all flight regimes except low density altitude
takeoffs. However, my airplane has an engine analyzer that allows me to
monitor CHT's, which I never allow to exceed 380 deg. F.

--
Dan
C172RG at BFM