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  #1  
Old 05-23-2019, 09:07 PM
Maxrate Maxrate is offline
 
Join Date: Dec 2008
Location: League city, TX
Posts: 544
Default IO 360 core pricing

I have an opportunity to buy a 2900 TT engine from a friend who is looking to sell his existing case, cylinders and internals on his flying Glasair II. Basically a core. He keeps the accessories. He also has a rear facing fuel servo so we’ll swap the sumps when his new engine comes in from the builder, Barrett I believe. Question is what is a fair price for a stripped core. I will have another local shop tear down, yellow tag all parts and reassemble. I will provide the new accessories and FI system. I see mid-time flying engines on barnstormers for 15-20K so I’m thinking 5000 max for a solid core. High/low. Thoughts?

Thanks
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  #2  
Old 05-24-2019, 04:40 AM
Jpm757 Jpm757 is offline
 
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Location: Sherman, CT
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Be sure to inspect the crankshaft per Lycoming SB505B regarding corrosion. A new crank can run 6K or more, and serviceable units are becoming scarce. Even if the crank is stamped "PID", I would pull the plug and inspect.
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  #3  
Old 05-24-2019, 06:37 AM
Maxrate Maxrate is offline
 
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Should not be affected if running a constant speed prop if I read correctly?
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  #4  
Old 05-24-2019, 08:45 AM
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RV6_flyer RV6_flyer is offline
 
Join Date: Jan 2005
Location: NC25
Posts: 3,508
Default

Quote:
Originally Posted by Maxrate View Post
Should not be affected if running a constant speed prop if I read correctly?
Not necessary. The SB505B calls for an ID of 1.910" before the paint is applied. If it is 1.911 then it is NO GOOD on a certificated airplane.
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  #5  
Old 05-24-2019, 10:56 AM
Jpm757 Jpm757 is offline
 
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Location: Sherman, CT
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The SB applies to hollow crankshafts with F/P props, however your engine may have been plugged at some point then converted to C/S. Regardless of whether you are currently running a C/S prop. The problem is pitting caused by moisture inside the crankshaft. The most susceptible engines are plugged cranks installed on tricycle gear aircraft. Don't however rule out corrosion on a C/S setup especially if it has been sitting. The procedure is to polish out the pitting and then measure ID. The "PID" stamped on the flange indicates the inside of the crank was treated with a corrosion inhibitor of some type, usually an epoxy primer. I have however found severe corrosion on both F/P & C/S "PID" cranks. Definitely worth taking a look at.
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RV6 #20477 completed 1991 sold.
RV7 #72018 N767T first flight 11/21/2017 350+ hrs.
IO-360M1B MT 3 blade, Dual AFS 5600 QUICK Panel.
Manual Flaps. (KOXC)Oxford, CT, (0NY0)North Creek, NY.
1941 J3 Cub skis,floats.
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Last edited by Jpm757 : 05-24-2019 at 11:22 AM. Reason: Add
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  #6  
Old 05-24-2019, 04:38 PM
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turbo turbo is offline
 
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Crank and case value 8,000.
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  #7  
Old 05-24-2019, 08:07 PM
Kyle Boatright Kyle Boatright is offline
 
Join Date: Aug 2005
Location: Atlanta, GA
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One thing to think about is that many (most?) core engines are sold with a guaranteed case and crank. The guarantee is that the items are rebuildable by the appropriate shop. If not, the seller must provide a replacement crank or case.

If you don't get that guarantee, you need to discount the price appropriately.
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  #8  
Old 05-24-2019, 08:10 PM
sibriggs sibriggs is offline
 
Join Date: Nov 2014
Location: Concord, NH
Posts: 215
Default Hold back the money on the case and crank

Work out the deal so that you only pay the full amount it the case and crank come back from inspection with yellow tags.

Otherwise you're out a bunch of money.

Aircraft Specialties in Kansas should inspect all the steel parts.
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  #9  
Old 05-24-2019, 11:43 PM
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sglynn sglynn is offline
 
Join Date: Mar 2008
Location: Anacortes, WA
Posts: 823
Default core value

When I bought a rebuilt O540 from an Engine Rebuild shop they gave me $10,000 credit for the core, if the crank and case checked out. Zero if not. Luckily when they checked the core and crank were useable so I received the full credit. $10K max, subject to inspection.
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  #10  
Old 05-25-2019, 09:18 AM
Flyingleap Flyingleap is online now
 
Join Date: Nov 2012
Location: Cincinnati,Ohio KHAO
Posts: 128
Default Is it a bad case?

I was told by Divco they could repair and certify a case with a big hole in it
as long as you had all the pieces. What are the chances of finding all of them !!

The other good thing about Divco and Aircraft Specialties is you can send a case with a crank in it and they will remove the crank and walk it over to Divco for the rest of the work. Saves in shipping..

I have no connection with either.....John
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