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Thread: Titan 340 engine problem and solutions.

  1. #11
    Senior Member turbopilot's Avatar
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    Default Re: Titan 340 engine problem and solutions.

    Quote Originally Posted by Jon Delamarter View Post
    Bill,

    That is fantastic news! Your results are even better than I expected. Doesn't even sound like the same engine!

    Just a couple of details for other folks considering these mods:
    • Reduced Ignition timing - As Bill mentioned, early Carbon Cubs had an adjustable magnet setup. These can be adjusted, as Bill did. Later aircraft have fixed magnets and will require swapping out the timing ring with a different ring, part number LSEMRA-4-22. Reducing the nominal timing from 25 to 22 degrees before top dead center typically results in reduced CHTs and a minuscule power reduction. I say minuscule because I've only had one person ever tell me they could tell a difference, and he was a STOL competitor, measuring his takeoff performance in inches. For most folks, it may effectively increase power, as it typically allows the pilot to operate the engine at higher RPM for a longer period of time.



    Here's a pic of the new style fixed timing ring.

    Attachment 5610

    I have a 2014 CC, SN316. Based on this post I have nominal timing of 25 BTDC. Correct? So by installing LSEMRA-4-22 I will go to 22 BTDC.

    Any tricks to installing new timing ring? Obviously prop has to come off.
    Bob Anderson, CC11-00316, N382RA

  2. #12
    Senior Member Jon Delamarter's Avatar
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    Feb 2013
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    Yakima, WA
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    Default Re: Titan 340 engine problem and solutions.

    Quote Originally Posted by turbopilot View Post
    I have a 2014 CC, SN316. Based on this post I have nominal timing of 25 BTDC. Correct? So by installing LSEMRA-4-22 I will go to 22 BTDC.

    Any tricks to installing new timing ring? Obviously prop has to come off.
    Bob,

    This swap is super simple. Simply install the new ring in the exact same location as the old. Yes, the cowling and propeller have to be removed.

    Best,
    Jon Delamarter
    Customer Support Manager
    Cub Crafters, Inc.
    jond@cubcrafters.com
    Office (509)367-5200
    Cell (509)833-6993

  3. #13
    Senior Member randylervold's Avatar
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    Jan 2010
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    Default Re: Titan 340 engine problem and solutions.

    Bill (and all),

    I believe the screen customization settings are not in the Operating Manual but rather the Installation Guide. Here's that document, take a look and I think you'll find what you need...
    http://www.dynonavionics.com/downloa...uide_Rev_H.pdf
    Randy Lervold

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