REFLECTOR: Lycoming IO 360 C1C Valve Problem Question

[John Dibble]

Seems like it would be easy enough to check for magnetism by touching
the ball to some iron filings.
John

Joel Smith wrote:

> Depending on what your talking about it is document at this link and
> was previously listed in this thread.
> http://www.sacskyranch.com/eng140.htm
>
> It is item "g".
>
> It does not say don't use a magnet. It does say a magnetized ball may
> cause excessive leakage. Makes sense to me. The operation of the
> lifter depends on a good seal. Metal often flows through the engine.
> Some of it could very well park there in the seal allowing oil to
> pass. I have no idea how a ball would get magnetized.
>
> IMO, removal of the lifter and cap via a magnet is not likely to
> magnetize anything (like you say, due to the hardness and type of
> metal) much less the ball. It is on the other end of the lifter way
> down in the tappet body. No significant flux lines would make it there
> and then it is encapsulated in yet another metal cap. However, it is
> documented with results. Your mileage may vary, and as always one is
> free to believe whatever they want. :-)