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Posted

Removed complete exhaust system from 1975 M20C for installation of Powerflow exhaust.  Overhauled by Dawley (still looking for receipt), 120 hours ago.  SOLD SOLD plus shipping.  Need to sell and ship before the airport closes.    SOLD SOLD

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Posted
15 hours ago, orionflt said:

did you notice any difference with the powerflo exhaust?

Brian

I have a powerslow on my F model , wish I had stock , It is required to remove the stacks , and put anti seize on them  EVERY ANNUAL , so 3 hours extra expense , every annual....

Posted
I have a powerslow on my F model , wish I had stock , It is required to remove the stacks , and put anti seize on them  EVERY ANNUAL , so 3 hours extra expense , every annual....

Why, is it made of a different metal than original exhaust?


Tom
Posted
45 minutes ago, ArtVandelay said:


Why, is it made of a different metal than original exhaust?


Tom

Not sure , but that is spelled out in instructions for continued airworthiness , Which means it is required 

Posted

But is there any notable performance improvement? 10kts, better fuel burn, maybe it pays for itself if you fly enough, maybe not. Please tell what you have both seen before vs after.


Sent from my iPhone using Tapatalk

Posted

Expect that David will get back to you...

He is a pretty skilled aviator, I would expect if it came off an IO360 he would have been more descriptive...

But, stand by for David... that exhaust system looks pretty nice!

best regards,

-a-

Posted

Learning/re-learning so much Mooney knowledge is a powerful driving force!   :)
 

Getting to know all the Mooney pilots... that’s a side benefit!

Best regards,

-a-

Posted

My C has the original O-360 parallel valve 180 horsepower engine.  The exhaust appears to be in very good condition.  I have not removed the muffler cover but what I can see, the muffler is also in very good condition.  This exhaust will  not fit the IO-360 angle valve 200 horsepower engines.

As far as a Powerflow pirep, I flew from the maintenance shop to a radio shop for ADSB install.  Will be there 4 weeks.  At 7500' there appeared to be a 3-4 knot improvement in speed.  

  • 4 weeks later...
Posted
eman didn't like 5g's in the RV.  Thought he was trapped in the 5 point harness.


I don’t mind 5 g’s in the rv. It’s 5 g’s in the mooney I’m a lil worried about.
  • David Lloyd changed the title to Exhaust System Sold Sold
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