I have seen a lot of chatter marks in my time but this is the first time
I have seen this type. I took the picture at Dave Leonard's house on
the rotor housings that came out of his severely overheated
engine.

The second picture is of Perry Mick overheated rotor housings.

The third picture is from a 1988 junk engine I bought. No sign
of chatter.

The fourth picture is what happens when the apex seal oil
supply fails.

Paul Lamar ...No rotor no motor.

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