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Arrow 200 IO-360 mag timing

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By9468840

Well-Known Member
Joined
Mar 13, 2017
Messages
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My IO-360C1C is set to 20 degrees BTC mag timing. I have a feeling that my CHTs are way too cool and I wonder if I should set it to 25 degrees since both settings are "legal".

Has anyone left their IO360 set to optional 25 deg of timing? How are your CHTs like?
 

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