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<blockquote data-quote="Dave70968" data-source="post: 3102189" data-attributes="member: 13624">Many (not all) airplanes have an exhaust gas temp (EGT) indicator, though they&#039;re often not marked as to specific temperatures, so all you can see is relative temp (which is enough--lean to peak, or whatever amount of rich- or lean-of-peak you want).&nbsp; For simpler airplanes, we can also just lean to peak RPM, which would be best power.&nbsp; Operating lean-of-peak is the subject of much heated discussion in the aviation world, with some swearing by it and some swearing at it.&nbsp; If you think threads get contentious here....&nbsp; <img src="/images/smilies/biggrin.png"&nbsp; class="smilie" loading="lazy" alt=":D" title="Big Grin&nbsp; &nbsp; :D" data-shortname=":D" />Some airplanes have cylinder head temp gauges on one or more cylinders.&nbsp; Very modern stuff may have a CHT probe on each cylinder and an EGT probe on each cylinder, so you can assess performance with great specificity; very handy for assessing cylinder balance.&nbsp; Not much you can do to adjust cylinder balance in flight, but certainly good diagnostic info to give to the mechanic on the ground.</blockquote>

[QUOTE="Dave70968, post: 3102189, member: 13624"] Many (not all) airplanes have an exhaust gas temp (EGT) indicator, though they're often not marked as to specific temperatures, so all you can see is relative temp (which is enough--lean to peak, or whatever amount of rich- or lean-of-peak you want). For simpler airplanes, we can also just lean to peak [I]RPM[/I], which would be best power. Operating lean-of-peak is the subject of much heated discussion in the aviation world, with some swearing by it and some swearing [I]at[/I] it. If you think threads get contentious here.... :D Some airplanes have cylinder head temp gauges on one or more cylinders. Very modern stuff may have a CHT probe on each cylinder [I]and[/I] an EGT probe on each cylinder, so you can assess performance with great specificity; very handy for assessing cylinder balance. Not much you can do to adjust cylinder balance in flight, but certainly good diagnostic info to give to the mechanic on the ground. [/QUOTE]

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