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Engine O/H or upgrade

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09 Apr 2024 18:57 #1 by Brooks McNew
Replied by Brooks McNew on topic Engine O/H or upgrade
I have the C85 "stroker" STC, from Aircraft Specialties Services, which puts an O-200 crankshaft, pistons, and piston rods into a C85. This is great IF your C85 camshaft is airworthy. Otherwise scrounging up a camshaft, as Larry mentioned, can be a chore and quite possibly expensive. 

The full O-200 engine STC would be so nice if they didn't limit you to a more or less extreme climb prop! If it were me I'd instantly apply for field approval of a better prop choice. 

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06 Apr 2024 17:49 #2 by Larry Snyder
Replied by Larry Snyder on topic Engine O/H or upgrade
O-200 - Pros - more of them out there, STC available to install. Con - prop choices allowed don’t take advantage of the increased horsepower.

C-85 - with an O-200 crankshaft STC makes for a nice engine, and with prop choices about as powerful as the O-200. Con - parts made from unobtainium.

All - $$$$$$$$$$$$

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06 Apr 2024 16:36 #3 by John Farrell
Engine O/H or upgrade was created by John Farrell
Considering an upgrade to an  O-200 or O/H current C-85.  Pros and cons.  The Coupe is a 1946 415-E. Any suggestions/comments appreciated.  

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