50 degrees rich of peak

wrote:

As stated above, read John Deakin's columns in AVweb about what's going
on inside the engine. Either run it about 100 degrees rich of peak or
slightly lean of peak, although, thankfully on the little GA engines so
long as you are at 65% power or less you can't hurt them, the temps and
pressures don't get high enough.

The OP cannot be faulted for leaning as per the POH. The late model C172
R and S model POH (page 4-26) recommends 50 degrees lean of peak. I would
suspect the OP is simply following the POH recommendation.

And before you flame me for simply pointing out this fact, keep in mind
that I am a 60-80 degree lean-of-peak leaner. :-)

--
Peter


















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