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Thread: Leaning methods

  1. #11
    Member rlinford's Avatar
    Join Date
    May 2010
    Location
    Spokane, WA
    Posts
    42

    Default Re: Leaning methods

    When all else fails read the instructions: http://www.lycoming.com/support/publ...fs/SI1094D.pdf
    From SI1094D: The exhaust gas temperature (EGT) offers little improvement in leaning the float-type carburetor over the procedures outlined above because of imperfect mixture distribution. However, if the EGT probe is installed, lean the mixture to 100F. on the rich side of peak EGT for best power operation. For best economy cruise, operate at peak EGT. If roughness is encountered, enrich the mixture slightly for smooth engine operation.




  2. #12
    Junior Member
    Join Date
    Jul 2012
    Location
    Washington
    Posts
    18

    Default Re: Leaning methods

    Quote Originally Posted by pwill435 View Post
    Thanks Nathanial. So does that settle the discussion regarding LOP on carbureted engines, since if I adjust any leaner it would cause rough running.
    You're welcome. These engines burn so little already I wouldn't worry about it. When I was running a big bore 6 cylinder on my Bonanza I had balanced injectors and an engine analyzer and fuel totalizer. Savings could be had there. Of course fuel was $1.99/gal and I didn't buy the airplane to go slow!

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