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231 with intercooler vs 231 with -MB engine

Bryan1016

By Bryan1016
in General Mooney Talk

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Bryan1016 Enthusiast

Bryan1016

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Posted

 Mooneyspacers,

I am looking at two Mooneys, both 231s.  

One has the -LB engine with intercooler and waste gate.  The other has 252 conversion FWF with -MB engine, cowl flap, cowling, etc.  

Does anyone have performance experience with either set-up vs factory 231?

Thank you for any advice. 

Bennett Mentor

Bennett

Posted
Posted

It is has been a while since I posted on MS. There already is a discussion of this topic in the archives, but the short answer is that the two conversions 261 and 262 use a reprint of the 252 POH (except for references to 24 volts). Just adding a Merlin waste gate, while certainly useful, does not create a "252". I believe that there was a supplement to the 231 POH for the Merlin waste gate. The 261 262 conversions have proven to be excellent aircraft. I owned one for 18 years and it gave me good service.

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