I have an RX-8 in my RV-7a with Tracy’s EC-2 and EM-2.  Recently while cruising the engine lost some power and went into a rough mode.   It only lasted about 2 seconds and returned to smooth running as soon as I switched to the B controller.   I landed and have been running it on the ground to determine the cause.  It has occurred 3 or 4 more times and only lasts seconds.  I believe I have determined that one rotor quits firing when it runs rough.

Has anyone else experienced this problem and is there a fix?

Thanks

Dennis Haverlah

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