On Aug 31, 2:49 pm, "Dan Luke" wrote:
"Jim Burns" wrote:
A new nitride cylinder will break in fast. Keep your power high, don't baby
it.

Right.

And keep it cool so it won't glaze. Full rich or close to it, cowl flaps wide
open.

Actually my concern is not getting it hot. My engine CHT's run about
290-300F in the winter and 360-380 in the summer in cruise. I'm afraid
that won't be enough to get a good seating.