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Re: 8N sleeves

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01-24-2013 02:14:12

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billy boy2 said: (quoted from post at 22:32:42 01/23/13)
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.

No that does not sound right. Sounds more like the sleeves have been removed and you are looking at the counterbore in the top of the block. The sleeves should be quite obvious when looking from teh bottom. As Teddy said it is not uncommon to find engines that have been rebuilt by removing the sleeves and installing .080 over pistons in the sleeveless block. Measure the bore - should be 3.187 if the sleeves are present, 3.267 if they are MIA. You can measure that much difference with a good steel rule. If you have a block that was rebuilt using oversize pistons, and it certainly sounds that way, you will need to have it rebored for the .090 wall sleeves. Not a big deal and any good automotive machine shop can do the job.

This post was edited by TheOldHokie at 03:43:24 01/24/13 2 times.

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billy boy2

01-24-2013 04:00:54

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 Re: 8N sleeves in reply to TheOldHokie, 01-24-2013 02:14:12  
More time and $$$. I was sure hoping it was sleeved. I thought they should stick out looking from the bottom. I didnt want to heat and start pulling on something that wasn't there. Looks to have about .030 ridge on one side of the cylinders, and two had a pit about the size of a dime burnt into the top of the bore with a matching hole in the piston. If the bore measures sleeveless size,I think I'll button this one back up for now and pull the pan ad/or head from another one this morning. Wish me luck.
This post was edited by billy boy2 at 04:28:06 01/24/13.

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