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piper arrow compression pitting

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  1. M

    Piper Arrow 3 Turbo Compression

    I am in the process of a pre buy inspection, the piper arrow has about 430 hours on factory new cylinders but upon checking the compression today after a 1 hour flight they were all over the place. We bored the cylinder and they all had visible pitting, valves looked good. I would think the...
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