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There is an O-200 conversion STC out there. I think the STC does require conversion to a D. However, I've seen several O-200s mounted on C or CD models - they probably applied for and got their own form 337 approval. It'll be up to you to convince the FAA that's it's safe for your plane. If you put out a request for info from people with 415-C and O-200 engines, and use them as references, you can probably get approval without too much problem. As always for something big, get your form 337 approved by the FAA wienie *before* you do expensive work. OTOH, the O-200 crank conversion Hartmut tells about looks pretty good, too. Ed Burkhead http://edburkhead.com/ ed -at- edburkheadQQQ.com (change -at- and remove the QQQ) I know you believe you understand what you think I said, but I am not sure if you realize that what you heard is not what I meant. (Jim, AKA Midnight Plowboy) ========================================================================== ==== To leave this forum go to: http://ercoupers.com/lists.htm Search the archives on http://escribe.com/aviation/coupers-tech/
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