Factory New or Reman - What's your opinion

Tom-D said:
understand the difference between the two. Zero timed are new engines with old serial numbers. anything else are required to comply with the FARs just like any one else.
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No, Lycoming reuses crankcases and some other parts, but they have to meet new tolerances for a zero-time engine. Lycoming never reuses cylinders or valves, and half the time they install a new crank even in the overhauled engines. It simply isn't worth their time to try reclaiming marginal stuff when they can pull a new part off the shelf. I bought numerous Lyc factory overhauls, delivered straight from the factory, and sometimes it was a brand-new engine in the box because they didn't have enough cores to build rebuilt or overhauled engines. They always came with new mags and carbs. Like a lot of other commodities, the labor to repair/rebuild used components is often higher than the factory's cost of new components.

When you get your Lyc overhauled by a local shop, you could be faced with a big hit if the shop finds the crank beyond saving. The factory just swallows most of those.

Video here: https://www.lycoming.com/services/rebuilt-engines

Continental had alloy/heat treating issues in some cranks. Three ADs on them.
 
PaulS said:
From Continental's website, $6k more for a new engine, I'd spend the $6k.

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If I were a buyer spending $100k and saw two similar airplanes, one with "500SFREMAN" and the other with "500SNEW," I'd be willing to pay a premium for the new one. So I think you're right and you'd get a good portion of the $6k back.

If I were spending $30k for an airplane, I'm not sure the same would apply.
 
Bill Jennings said:
The whole "Zero time" is a bit of black magic bull crap to me. So the factory can waive a magic wand and declare an engine made of a combination new and used parts "zero time."
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Perhaps they mean that this particular combination of new and used parts have "zero time" together? :)
When I change the plugz my engine goes to "zero time!" Hope I can get a buyer to agree.

OK, back to serious discussion of the topic.
 
Bill Jennings said:
The whole "Zero time" is a bit of black magic bull crap to me. So the factory can waive a magic wand and declare an engine made of a combination new and used parts "zero time." All for the small upcharge of ~$6k (at least for our engine model). We didn't think giving Lyco an extra $6k profit margin was worth it for "zero time." So far, the Lyco factory overhaul is running like a champ.
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Not really magic....but assumptions. An assumption that the OEM manufacturer can inspect & measure parts and make a determination that they are "as good as new". The assembly of those parts "make" a new engine.....
 
weilke said:
Bought a reman' 860 hrs and 4 years ago. Just had a prop strike inspection done. Valve guides worn beyond limits and the case needed machining work. Not sure they are worth a premium over any other overhaul exchange. If you buy new, you can sell your running engine as a core to someone who had a connecting rod stick out of the side of the case.
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wow. i frankly dont know how CMI gets away with such frequent garbage. oh thats right, captive audience. your anecdote is not an outlier, as threads on BT illustrate.
 
kgruber said:
He recently sold "something," I forget what exactly.............but I think it is most of the business.??????
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I'll ask Roger, see what he knows.
 
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