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Thread: wrong dipstick io-360 a2b??

  1. #1

    wrong dipstick io-360 a2b??

    I juat realized something strange . I did an oil change on my plane
    with an IO-360 a2b engine . The stick showed exactly 6 quarts . After
    draining the oil into a pan I decided to measure it by pouring out 1
    quart at a time into a measuring jar. Excluding the oil in the filter
    from the equation I had about 8.5 quarts in the can.( not mentioning
    whatever oil clung to the engine oil sump,jar ,drain pan and engine
    galleries). Would anyone know a way of verifying the accuracy of my
    dipstick . Or would anyone who had similar curiosity with an IO 360
    know how many inches up the dipstick the 6 quart mark should be. I am
    concerned I may have the wrong stick which is a screw on stick . Oh by
    the way the filler tube is firmly tightened to the engine at the base
    and safety wired. Thanks all as usual for any input . Chas


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  2. #2
    I might be able to explain one quart of the discrepancy. I have an extension to the dipstick tube which allows for easier addition of oil. It is safety-wired to the factory tube, but otherwise has the same appearance. It makes the dipstick read one quart low.

    Les

  3. #3

    The plot thickens ...

    Thanks to a very kind member it has been determined that my dipstick is mis marked . Showing my 6 qt level placed almost an inch and a half higher up the stick then his ( around where the 8 qt mark should be ) I will have proof positive after verifying filler tube length Stay tuned Chas

  4. #4
    Guest
    Guest

    wrong dipstick io-360 a2b??

    "I am
    concerned I may have the wrong stick which is a screw on stick . Oh by
    the way the filler tube is firmly tightened to the engine at the base
    and safety wired. Thanks all as usual for any input . Chas"

    The dipstick tube could be the wrong length as well. On engines as old as some of these are getting, it is difficult to know for sure unless compared to "Known Good Unit" as we say in the repair world. I will look at mine tomorrow and send the info back to the group as to what is on my engine.

    Dale Alexander
    A23-24


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  5. #5
    Guest
    Guest

    wrong dipstick io-360 a2b??

    The same thing happened to me with my IO-346. It was showing 2 quarts lower than it actually was so I remarked it. I use a lot less oil now!

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  6. #6
    Guest
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    wrong dipstick io-360 a2b??

    Hi all,

    Took some measurements of the dipstick stuff before flying today. Here is what I got:

    For IO360

    Dipstick tube from case to top without dipstick: 10 9/16"

    Dipstick from sealing surface without gasket to 8 quart mark: 13 11/16"

    to 6 quart mark: 15 5/16"

    to 4 quart mark (and engien rebuild!): 16 1/2"

    Dipstick overall length from sealing surface without gasket to tip: 18 5/16"

    Hope this helps,

    Dale Alexander
    A23-24

    Read The Patriot It's Right -- It's Free
    http://PatriotPost.US/subscribe/ Veritas vos Liberabit


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  7. #7

    Problem resolved - thanks to all here!!

    It turns out that after some really good folks here on BAC and MM sent me some measurements I found that there are 2 Dip stick tubes for the io-360 a2b engine . one is approx 11.57 ( part #75736) inches the other 10.57 inches (part # 75767). I had a dipstick for the 11.57 tube . Unfortunately both sticks are of equal length with different markings for the 4,6 +8 quart areas.The fact that they have no part #'s on the stick did not help the situation.This caused my oil level to show being 1.5 to 2 quarts lower than actuallity. Needless to say after 5 years of ownership I wasted approx 200 quarts of oil which wound up in my air /oil seperator or overboard. IN closing I just want to say VERIFY THOSE STICKS !!! This site again has saved me $ and I cannot wait to renew in 7 days thanks all!! Chas

  8. #8
    I have a problem with my oil dipstick and it being "stripped" to the point where it is hard to get on and once you do - it's very hard to get out. So after a few hack job fix attempts I have decided to replace the tube and stick. I went searching for a part number on the site and found this post.. Anyone remember this. The curious thing is that on this engine (which is just a mere 50 hrs post an overhaul) if I put a drop more than what shows as 6 Qts it blows it straight onto the wing. I never thought that maybe the engine had the wrong part on it. It does make me wonder.

    So rather than a new post I thought I would dust off this old one and see if anyone else has seen this....

    Also - if someone can verify the correct part for the 360 in the Duchess I would be grateful...

    Rick

  9. #9
    I have a problem with my oil dipstick and it being "stripped" to the point where it is hard to get on and once you do - it's very hard to get out. So after a few hack job fix attempts I have decided to replace the tube and stick. I went searching for a part number on the site and found this post.. Anyone remember this. The curious thing is that on this engine (which is just a mere 50 hrs post an overhaul) if I put a drop more than what shows as 6 Qts it blows it straight onto the wing. I never thought that maybe the engine had the wrong part on it. It does make me wonder.

    So rather than a new post I thought I would dust off this old one and see if anyone else has seen this....

    Also - if someone can verify the correct part for the 360 in the Duchess I would be grateful...

    Rick

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