The upgrade to a C85 would be good for you, since a 7150 is a good standard prop for a C85. I have a C85 with a 7150 and it climbs fine and still cruises at 105 at 2300 RPM. I also have the O200 crank and pistons, which, according to some sources, gives it bit more oomph.

Larry Snyder
[EMAIL PROTECTED]


On Jul 27, 2008, at 10:21 PM, "Percy" <[EMAIL PROTECTED]> wrote:

Lots of good info, Sports Fans, but not `zac'ly what I needed.  I'm
interested in the costs for getting more take off ooompf. Options:
* RATO (they did that in 1941)
* Upgrage to the 85 HP motor per Continental publication.
* Repitch prop (it is 7150).
HOW is not as important as How Much.
Percy in (high, hot) NM, USA


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