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  #11  
Old 08-18-2011, 06:14 PM
Ron B. Ron B. is offline
 
Join Date: Nov 2007
Location: Yarmouth, Nova Scotia
Posts: 2,408
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David, I had noticed a fuel stain on the front left cylinder when returning from Oshkosh. I removed the air intake tube and replaced the gasket the day before this flight.I used aviation gasket sealer with the new gasket as re-torquing did not stop the stainning, I know I will regret using this stuff when I have to remove the gasket down the road. I would say this would be cylinder # 2? Number four would be the left side center cylinder ? and I saw no stains. I just Re-torqued all intake bolts and clamps at annual, say 12 flight hrs ago.
Ron
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  #12  
Old 08-19-2011, 02:52 AM
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RV10inOz RV10inOz is offline
 
Join Date: May 2008
Location: Brisbane Qld. Aust.
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Where there is one there will be more!

Was this a factory Lycoming?


Sorry for thread drift also
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  #13  
Old 08-19-2011, 02:50 PM
Ron B. Ron B. is offline
 
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No, rebuilt.
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  #14  
Old 08-19-2011, 03:45 PM
jcbarker jcbarker is offline
 
Join Date: May 2005
Posts: 133
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Hey guys,
I think this all applies. Your comment about bubbles in the fuel got me thinking. This seems to happen more after a hot start but not always. Also, I'll pay closer attention to the relationship between the EGT and CHT. Typically by EGTs run within 30 degrees lowest to highest. Switching off an ignition is a good idea as well.

If it's a sticking valve does Marvel Mystery Oil work?
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