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Sleeve damage

F

Flyboy 49

New User
I was removing the sleeve in my 8n engine block and the sleeves shattered as they were coming out. Someone had inserted a set screw through the sleeve into the block. Most likely because the sleeve were loose? Has anyone seen this and is the block now useless?
cvphoto63558.jpg
 
(quoted from post at 20:30:27 11/19/20) I was removing the sleeve in my 8n engine block and the sleeves shattered as they were coming out. Someone had inserted a set screw through the sleeve into the block. Most likely because the sleeve were loose? Has anyone seen this and is the block now useless?
<img src="https://www.yesterdaystractors.com/cvphotos/cvphoto63558.jpg">
Click to expand...
All of them or just one?

TOH
 
Sleeves 1 through 3 had set screws though the sleeves into the block near the intake valve. Cylinder 4 sleeve has not been removed.
It is a larger "OD" then the other sleeves and I did not have the tool to remove it. I am taking the block to a machine shop
tomorrow to get their opinion.
cvphoto63563.jpg
 
(quoted from post at 17:49:45 11/19/20) Sleeves 1 through 3 had set screws though the sleeves into the block near the intake valve. Cylinder 4 sleeve has not been removed.
It is a larger "OD" then the other sleeves and I did not have the tool to remove it. I am taking the block to a machine shop
tomorrow to get their opinion.
<img src="https://www.yesterdaystractors.com/cvphotos/cvphoto63563.jpg">
Click to expand...
I've never seen that before. They must have notched the pistons so they wouldn't hit the screw.

Mark
 
A similar procedure was done to an 8N block by a reputable machine shop 60 tears ago, No lock tight then. Look how long it lasted!! Not in your favor though!!
 
Boy,That is one for the books,never heard of that one before.Did any of the sleeves have a flange at the top?It dosen't look like it from the photos.
 

Well bad news! The machine shop found cracks between the intake valve and the cylinder bore on all four cylinders were the set screw was installed. Cracks may happened when removing the sleeves. The block is junk! :cry:
 
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