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8N sleeves

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billy boy2
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PostPosted: Wed Jan 23, 2013 3:52 pm    Post subject: 8N sleeves Reply to specific post Reply with quote

I"ve read some were made without sleeves. Are they visible in the bottom of the bore with the oil pan off?? I have 4 engines,and I want to rebuild one that was sleeved. Thanks
 
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Bob Harvey
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PostPosted: Wed Jan 23, 2013 5:13 pm    Post subject: Re: 8N sleeves Reply to specific post Reply with quote

I don't think there were any from the factory without sleeves, a different approach in later years, and used flathead Ford pistons. And yes, you should be able to see the sleeves from the bottom (oil pan off --duh). There are two types of sleeves. You need the manual and some time to read - or you could check the 'Archives' above. HTH
 
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billy boy2
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PostPosted: Wed Jan 23, 2013 5:20 pm    Post subject: Re: 8N sleeves Reply to specific post Reply with quote

I figured you could see them, but the first one I opened up, I couldn't. I've read and read, and a few places said some of the 2Ns came without sleeves, and steel wheels. The one I opened today was from a '48, but could have been made during the wartime conservation period. I guess I'll open up another one tomorrow. I just want a sleeved one to rebuild, for the ease and cheaper to rebuild next time. The engine is the original one to the tractor. I was hoping it was sleeved. When I pulled the oil pan I expected them to stand out, but after cleaning around the bore, it all looks like solid cast.
 


Last edited by billy boy2 on Wed Jan 23, 2013 5:24 pm; edited 1 time in total
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Bob Harvey
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PostPosted: Wed Jan 23, 2013 5:24 pm    Post subject: Re: 8N sleeves Reply to specific post Reply with quote

Not to be an axxwhole, but maybe have a closer look. HTH
 
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R Geiger
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PostPosted: Wed Jan 23, 2013 5:26 pm    Post subject: Re: 8N sleeves Reply to specific post Reply with quote

billy boy2 wrote:
(quoted from post at 10:20:45 01/24/13) I figured you could see them, but the first one I opened up, I couldn't. I've read and read, and a few places said some of the 2Ns came without sleeves, and steel wheels. The one I opened today was from a '48, but could have been made during the wartime conservation period. I guess I'll open up another one tomorrow. I just want a sleeved one to rebuild, for the ease and cheaper to rebuild next time. The engine is the original one to the tractor. I was hoping it was sleeved. When I pulled the oil pan I expected them to stand out, but after cleaning around the bore, it all looks like solid cast.

the thin 040 sleeves can be hard to see if you are familiar with them. I bet they are sleeved. Easier to take the head off to check them also.
 
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billy boy2
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PostPosted: Wed Jan 23, 2013 5:26 pm    Post subject: Re: 8N sleeves Reply to specific post Reply with quote


After cleaning around the bore it looked like solid cast. No change in the "grain" or anything??
 
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Old 8 Guy
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PostPosted: Wed Jan 23, 2013 5:33 pm    Post subject: Re: 8N sleeves Reply to specific post Reply with quote

I heard if you have a star at the end of the serial# the motor has size 40 sleeves. A star at each end of # has size 90. Just what I read somewhere. If I am wrong I"m sure someone with more knowlege will corect me. Lots of luck and fun on your rebuild.
 
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billy boy2
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PostPosted: Wed Jan 23, 2013 5:35 pm    Post subject: Re: 8N sleeves Reply to specific post Reply with quote

I did notice what looked like the top point of a star at the end of the number.
 
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billy boy2
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PostPosted: Wed Jan 23, 2013 5:44 pm    Post subject: Re: 8N sleeves Reply to specific post Reply with quote

The star thing could be true, but no telling how many .040 engines are now .090s
 
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FarmerHR
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PostPosted: Wed Jan 23, 2013 5:54 pm    Post subject: Re: 8N sleeves Reply to specific post Reply with quote

Hi Bill,
I am in the process of doing an inframe rebuild of my 1948 8N.
When I took the head off, the sleeves were really easy to see. Just wipe the top of the engine clean and they should stand out like a sore thumb.
Hope this helps !
 
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billy boy2
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PostPosted: Wed Jan 23, 2013 6:04 pm    Post subject: Re: 8N sleeves Reply to specific post Reply with quote


Well,I pulled the head and it looks sleeved. Looks like they set down in the block a little. Sound right?
 
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1951 8N
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PostPosted: Wed Jan 23, 2013 6:12 pm    Post subject: Re: 8N sleeves Reply to specific post Reply with quote

Old 8 Guy wrote:
I heard if you have a star at the end of the serial# the motor has size 40 sleeves. A star at each end of # has size 90. Just what I read somewhere. If I am wrong I"m sure someone with more knowlege will corect me. Lots of luck and fun on your rebuild.


A star at the beginning and end of the serial number means that the engine came with .040" sleeves originally. A diamond at the beginning and end of the serial number means that the engine came with .090" sleeves originally.
 
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FarmerHR
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PostPosted: Wed Jan 23, 2013 6:13 pm    Post subject: Re: 8N sleeves Reply to specific post Reply with quote

Hi Again Bill,
I determined that my 48N had .040 inch thick sleeves.
In the archives there was a set of directions for pulling .040 sleeves written by the Old Hookie. He suggested heating a red stripe down each sleeve with an ox-actylene torch to shink the sleeves. I did this and they really came out easy with a puller. It might be worth your time to read this posting over.
Hope this helps.
Thanks
 
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teddy52food
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PostPosted: Wed Jan 23, 2013 6:25 pm    Post subject: Re: 8N sleeves Reply to specific post Reply with quote

Measure the bore. The .040 sleeves are removed , then oversized pistons are run in the block. When that was worn out it should be bored for .090 sleeves.
 
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billy boy2
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PostPosted: Wed Jan 23, 2013 6:32 pm    Post subject: Re: 8N sleeves Reply to specific post Reply with quote


With the head off, it looks like it has .040s sitting about .040 below the deck. Does that sound right. Still looks like solid cast at the bottom though.
 
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