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Thread: Pa11 engine options.

  1. #1

    Join Date
    Jun 2016
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    Pa11 engine options.

    hey my name is will I have a 1947 pa11. I am looking for a c-90 or different type of engine option. my current engine has water damage.

  2. #2

    Join Date
    May 2008
    Location
    Upper Peninsula of Michigan
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    C85, C85 stroker, C90, or O200 are all options. What is your current engine?

  3. #3
    PerryB's Avatar
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    Aug 2007
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    Northern Calif.
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    A stroked 85 with a longer prop would be MY choice, but I'd be looking for T/O & climb performance.
    After Monday and Tuesday, even the calendar says WTF !

  4. #4

    Join Date
    Jun 2016
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    I currently have a c90-8f. rebuilt in 1978 but has water damage. what would you do to the c85 to make it a stroker. would it be cheaper then a c90 overhaul. I am in canada got a quote for 32000 on complet rebuild from areo recip and 17500 from another shop

  5. #5

    Join Date
    Jan 2018
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    Finger Lakes area, western NY.
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    We have a C90-8F in our stock (original configuration without modifications) PA-11. We're happy with the performance. We flew the airplane for 5 decades with an A65-8 on it before going to the C90 a while back. The performance in the Northeast part of the country with 65 H.P. was adequate but our intent is to relocate to the Mountain states soon and that was the motivator for the upgrade. I like the torque of the C90 over the C85 and since that engine is on the original type certificate data sheet, no S.T.C. is required for the installation in the U.S.
    Thanks Stephen, Alex Clark thanked for this post
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