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Hello 'coupers, Any word on the availability of Rams Horn yokes? Does anyone have a set they would like ot sell or trade for the pretzel type? Thanks, Jim N86962 -----Original Message----- From: Skyport Services <[EMAIL PROTECTED]> To: [EMAIL PROTECTED], [email protected] Date: Mon, 20 Dec 2004 11:02:44 -0500 Subject: Re: [COUPERS-FLYIN] TBO ----[Please read http://ercoupers.com/disclaimer.htm before following any advice in this forum.]---- At 07:26 AM 12/19/2004, [EMAIL PROTECTED] wrote: >What is the TBO on the C-85 Continental recommends 1800 hours or 12 years, whichever comes first. This is a recommendation only, as long as you operate under part 91. > and what is involve in converting it to a C-90? Years ago Continental published a bulletin outlining the process. Basically you have to change all the parts that are different, including crank, cam, pistons, valve springs, rods, carburetor... It can get pretty expensive. Oh, and Eismann mags are not eligible for use on a C90 so if you've got them, they gotta go. > Is it recommended? I wouldn't do it. A better alternative is one of the STC's to install an O200 crank, rods and pistons in a C85. More bang and fewer bucks. John Cooper Skyport Services PO Box 249 4996 Delaware Tnpk Rensselaerville, NY 12147 518 797-3064 ========================================================================== ==== To leave this forum go to: http://ercoupers.com/lists.htm Search the archives on http://escribe.com/aviation/coupers/ ========================================================================== ==== To leave this forum go to: http://ercoupers.com/lists.htm Search the archives on http://escribe.com/aviation/coupers/
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