Engine OH and EDM-830

I am into week 8 of my airplane being down for an engine overhaul due to a cracked case. Two weeks later the OH shop confirmed the case was cracked, so looking at 4 more weeks to repair and then they can start putting the engine back together. New prop on order, engine mount being OH’d, new prop governor on the way...basically a new airplane from the firewall forward. Unfortunately it is kind of looking like another 6-8 weeks before it will be in the air again.

With the new engine, I am putting in a JPI EDM-830 engine monitor in the plane. I am looking for some “tribal knowledge” on using it. I know there are resources out there about leaning, etc....but I am looking for some insight/discussion from the members. Airplane is a 1972 Arrow.

Jim M.
Based at BUU


  • Hi Jim,
    I have one in my 77 Arrow III. I just added oil temp, oil pressure, carbon monoxide/pulse oximeter to it. It's a great device and I'm really pleased to have it.

    Scott Sherer
    Wright Brothers Master Pilot, FAA Commercial Pilot
    Aviation Director, Piper Owner Society Forum Moderator and Pipers Author.

    Need help? Let me know!

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