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>>It's an IO360 B1E Lycoming. <<

This is a good engine 180 Hp.  

If it is the B1E parallel valve 180 Hp derivative, then I would NOT, repeat,
NOT operate it past 180 Hp, and under no circumstances past 200 Hp and I
would not use Slick Mags with it.

I probably have more recent instrumented engine test cell time with this
engine than any person alive.

There are crank shaft torsional vibration issues if you try to push the
horsepower a whole lot higher than the rated 180 Hp.

Regards,  George  

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Please send your photos and drawings to marvkaye@olsusa.com.
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