Overhauled IO-540 vs Factory new IO-580

[daxton238]

I’m way overdue on deciding which engine to get. I need the hive minds help. The 2 options are the overhauled IO-540 or a factory new IO-580. The price difference for the factory new IO-580 is in the $25,000-$30,000 range. The question is if the factory knew and 15 more horsepower worth that price difference? The plane will be Utah based so the more engine is enticing for the extra power.

[U2fletch]

We ordered our IO-580 in May when we received our QB kit. Shortly after putting down our deposit, Virgil called and said Lycoming was stating December for delivery. Right. We will see.
Well, it showed up today as promised. Wondering if not as many people are getting new 580's, so that helped getting it sooner? Not sure. Considering the price difference between used and new, I chose new. I used to race motorcycles and engine longevity was highly dependent on the break in method used. I like the idea of doing that myself with a brand new engine. We are also going with an SDS fuel injection and electronic ignition setup, so several parts that came installed on this motor will end up on EBay, lol.

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[TJ_Slice]

I am still 8 or 9 months away from ordering my engine, but I plan on going with Airworx for an overhauled 540. I will be using dual E-mags. I sunk the extra money into avionics.