Piper22/20
I'm New Here
Rv6 o320 sensenich metal prop vibrates between 800 and 1400 rpm. What I've done and discoverd. New mag. New wiring harness. New engine mounts. New carburetor. Replaced intake gaskets and hoses. New plugs. Timed engine. Compression check. Clock propeller. Balance propeller. Nothing worked. I noted that the warmer the weather got the less vibration occurred. This led me to believe I have a mixture adjustment problem. The more I enrich the idle mixture the less vibration I have. The airplane has a vetterman exhaust. Your thoughts please and ideas. Steve
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