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Antique Steel Wheel Tractors - Old Iron Lugs and Cleats

McCormick Deering 10-20 Project


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  #1  
Old 03-21-2018, 03:05:29 PM
smcmanus smcmanus is offline
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Default McCormick Deering 10-20 Project

My winter project is this Mickey D. I bought it for scrap price 6 years ago and rolled it off my trailer onto my driveway. I figured I better get to it or I never will. Had to use the fire wrench to get a few nuts loose on top radiator and manifold. Soaked other with blaster and got all the head bolts loose.
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Old 03-21-2018, 03:09:14 PM
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Default Re: McCormick Deering 10-20 project

The head is pretty heavy so I pondered about lifting it off without killing myself. I realized my tree spade has better uses that just losing money in the nursery business. This worked like a charm.
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Old 03-21-2018, 03:16:39 PM
smcmanus smcmanus is offline
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Default Re: McCormick Deering 10-20 project

It turned over OK, but there were mouse nests in 1 & 4. Still the liners look pretty good. Thanks to Smokstak, I figured out that the pistons go out the bottom before I busted anything. The rod big end is larger than the bore. Used a sassafras log to drive pistons 1 & 4 down. Sassafras smells good when you hit it with a hammer! 2 & 3 came out easily.
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Old 03-22-2018, 09:13:00 AM
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Default Re: McCormick Deering 10-20 Project

One reason I'm posting this is to shame me into finishing this project! 2 valves were beyond saving. I think the others will be OK. The head is off to machine shop for 2 or 3 new seats. The front and back seats were clearly eroded well beyond re-grinding. One thing I've never seen before is bolts and studs completely rusted out in the block. Only one manifold stud was holding it on. The other ones turned into ferric oxide, and after chasing out the holes with a tap, the threads in the head were still intact.
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Old 03-22-2018, 11:02:01 AM
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Default Re: McCormick Deering 10-20 Project

Thanks for the thread, the 10-20's are one of my favorites. Looks like a 1928 model?
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Old 03-22-2018, 01:34:53 PM
9 hp Alamo 9 hp Alamo is offline
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Default Re: McCormick Deering 10-20 Project

Quote:
Originally Posted by smcmanus View Post
One reason I'm posting this is to shame me into finishing this project!
I can relate.
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Old 03-23-2018, 08:00:46 AM
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Default Re: McCormick Deering 10-20 Project

I think it is a '28. There are no legible numbers left and the tag is missing, but the casting date is 10-27 so '28 is probably correct.

The manifold had a big crack. I cleaned it out to shiny bare iron, stopped drilled it and, with many do-overs, brazed it in.
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Old 03-25-2018, 11:11:08 AM
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Default Re: McCormick Deering 10-20 Project

Waiting on the machine shop to finish my valve seats. I figured it was a good time to install the mag with the pistons out for easy cranking. When I got it, the Aero mag was messed up inside and I got a good deal for another on ebay. The seller said it was "hot" which I hoped didn't mean stolen. I timed it so the points just about opened at TDC as per the book. Got spark fully retarded and a nice hot spark with about 1/2 advance. With the impulse engaged, the spark is retarded a lot, so even with full advance it fires past TDC. This must have been a safety feature to reduce kick-back.
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Old 03-26-2018, 09:57:50 AM
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Default Re: McCormick Deering 10-20 Project

I have heard some guys cussing the Aero/Splitdorf mags but I like them a lot.
I have found you can sure break something easily when working on them, otherwise when you have a good one I think you really have something, I have several hot ones on the shelf waiting for projects. The one that we have on a running tractor right now is on our 8-16 International, all I had to do to it was clean it.
I like the "hot" humor.
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Old 03-26-2018, 05:42:53 PM
Lumbersawyer Lumbersawyer is offline
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Default Re: McCormick Deering 10-20 Project

If you can find the engine number left side front of block there should be a raised boss with the tractor/engine number stamped there. Some claim IH did not match engine and tractor number but YT has a resgistry of 10-20's and 90% of those who list the engine number it is the same as the tractor number. http://www.yesterdaystractors.com/cg...L&ReportType=4

You can get a new tag on Ebay for your 10-20 and stamp it. Some people might have a tractor that the engine was changed out and thus don't match, but our local club has a 1925 10-20 and it matches and so does my 1929 10-20
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Old 03-26-2018, 06:36:25 PM
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Default Re: McCormick Deering 10-20 Project

Most numbers do match, I have only seen a couple that don't and if I remember correctly they were Farmall models from the 30's and the numbers were not far off. Using the engine number is a safe bet regardless.
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Old 03-27-2018, 05:50:22 PM
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Default Re: McCormick Deering 10-20 Project

The area with the stamped number is corroded beyond recognition, so the best I have is the casting date. I needed to use a ring compressor to get the piston started back up the bore. I recommend starting with #3 which seems to be the hardest to get lined up. You have to turn the crank during the process to keep it out of the way. A floor jack with a scrap of lumber helped ease it up into the liner. Not to force it, just as a helper.
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Old 03-27-2018, 06:56:56 PM
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Default Re: McCormick Deering 10-20 Project

Probably I'm too late but for many of those I have been putting the pistons and rods in without rings, pushing them up past the ring lands out the top of the block, then putting a screwdriver through the wrist pin hole to keep them from slipping down. Then I put the rings on and compress them going down, its a lot easier. The sleeves on these are tapered on the bottom and several times I HAVE worked them up from the bottom without a compressor but after breaking two rings I do the above method.
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Old 03-28-2018, 09:30:02 AM
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Default Re: McCormick Deering 10-20 Project

That's a good point Russ. When I first tried to remove a piston, I pushed it up, and then it got hung-up because the rod big-end is larger than the bore. But the rings were clear above the block. I read in another post here that said 'it was easy to push the piston up without a ring compressor,' but my experience with new rings is that a ring compressor is needed.
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Old 03-28-2018, 06:38:07 PM
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Default Re: McCormick Deering 10-20 Project

I was able to salvage the 1-3 rod bushings but #4 fell out in my hand. Available from Fordson House at a pri$e. Pressed them in and honed to fit.
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Old 03-31-2018, 11:53:07 AM
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Default Re: McCormick Deering 10-20 Project

Russ,

There is also a number on the belly (frame) of the tractor underneath the engine, usually its covered in grease or rust. It should be in the form of a month, day and year. I found that on my 10-20 when i overhauled it.

Troy
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Old 04-01-2018, 09:16:47 AM
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Default Piston installation McCormick Deering 10-20 Project

Thanks to Russ Hamm for the advice. I must say it is easier to put the piston in from the bottom without rings, then push it out the top and install the rings. Put the ring compressor on, and it goes in easy. So if you have the head off,this is the way to do it.

If you do go in with rings from the bottom, you need to make sure you have a tad of ring-end-gap with the rings fully compressed.

Have a nice day
Steve
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Old 04-14-2018, 07:00:18 PM
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Default Re: McCormick Deering 10-20 Project

I finally got the head back from the machine shop. 2 day turn around turned into a month long wait. In the future I'll do everything myself. They may build world famous racing engines but have no clue on mechanicing. I ended up with 2 original ninety y/o valves on 2 + 3 intake duty, 2 new valves in 1 & 4 exhaust, and used Toledo valves filling in the rest of the holes.
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Old 04-15-2018, 04:48:17 PM
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Default Re: McCormick Deering 10-20 Project

Its hard to wait, isn't it? Most shops put us on the backburner and working in a shop for a long time I can sure understand why sometimes. One thing about it, if its a good shop they will have enough work where turn around times can be long on our stuff, the two things I have learned never to tell a shop is;
1. I'm in no hurry.
2. Hurry up on it.
I have a small valve grinding set that I used at home when I did my first two flathead engine valve seats, came in real handy one them and some other heads. Where I ran into trouble was whenever I needed seats replaced, I did replace two seats years ago but they fell out and I didn't have to cut out the head. Otherwise, I sure need those machine shops for the good return, I get in too much of a hurry at home sometimes.
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Old 04-18-2018, 03:11:48 PM
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Default Re: McCormick Deering 10-20 Project

what are the features you would use to date a 10-20 ? in reading about the reg they first sold the reg in Texas what they thought was an underpresented state in case the reg didn't work out, it wouldn't harm the good name of the 10-20
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