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Exhaust valve failure!


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On 7/16/2023 at 5:48 AM, 67 m20F chump said:

With that much time on the motor and that you are putting cylinders on it why not do an O/H now?  I never had a turbo so thats why I ask.

This engine has now had 5/6 of a "top overhaul" in the past couple years (5 out of 6 cylinders overhauled)...the crankshaft and camshaft are still looking good. I considered doing a major overhaul last year, but there were parts availability problems and delays at that time, not sure if that is still the case. Maybe next year...

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Saw a valve on a Twin Comanche tulip broken the same way Only lightly touched the piston top twice

Saw a brand new C 206 (60 hrs) with detonation damage just like shown 

It was pilot error on climb out mixture setting that did it. 

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