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Posted

Quote: M20Kid

The one thing I like with Main Turbo 

Recommend they did the turbo normalizer on my M20F and did work on a C320 I fly as well.  

Posted

Byron, I agree with you about Chandler MSC and that's why my airplane is not at that shop.  However, since this engine is used on many different aircraft I didn't feel a Mooney specialist was required.  I'm using a mechanic that has taken good care of my other airplanes for the past several years and has several other high performance customers.  When it comes to Mooney specific items I've already let him know the airplane is going somewhere else (not Chandler MSC) and he is happy about that.  He should be able to get this engine running correctly, though, and that's my goal for the immediate future.

  • 1 month later...
Posted

Quote: M20Kid

But now if those valves are burnt, how are the rest?  We're pulling the other four off and having them checked, too, but I suspect they'll find the same issues.

Posted

Dan -


I did pull all the cylinders and they were all corroded well beyond the limits of the overhaul shop to repair.  The signs of blow-by on every piston told a sad story.  They had to be trashed one and all.  In addition to the corrosion issues all the exhaust valves were stretched over 5X more that allowed in service!  In short there wasn't a servicable cylinder on the airplane and I was having nothing but trouble each time I went flying.  Oil temps running too high and oil being blown out the air/oil sepatator due to pressurization in the crankcase.  Compression checks were down to between 25 and 35 on some of the cylinders with no way to get them higher.


I still don't have the airplane back but I should get it for break-in flights on Monday morning!

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