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Old 12-18-2019, 08:35 AM   #1
poulrais
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Default Sleeving a B230

Do anyone know a company making a sleeve for an oversize bore of 96.5mm? Melling has a 3/32 sleeve for the B230 but I think it'll be too thin once bored to the size I need.

I checked their universal fitting sleeves but couldn't figure out a combination of diameter/thickness/length that will do the job.
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Old 12-18-2019, 09:47 AM   #2
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How about Darton?
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Old 12-18-2019, 09:58 AM   #3
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talk to josh @ yoshifab
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Old 12-18-2019, 11:14 AM   #4
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talk to josh @ yoshifab
Ok will do!

Thanks!
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Old 12-18-2019, 01:27 PM   #5
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LA Sleeve has a pretty decent selection of 96-100mm ID sleeves with wall thickness form 1/8"-5/32" if you want to use a universal sleeve for some reason.

The b230 sleeves are on page 50.

https://www.lasleeve.com/downloads/3...al-Catalog.pdf
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Old 12-18-2019, 03:58 PM   #6
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Interesting, I've been entertaining the concept of sleeving the B20, similar concepts apply.

Curious on the B230's, they list the bore at 95.25, so no chance of getting a factory piston back in there. Or is that so you can bore/hone it out to the preferred bore?
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Old 12-18-2019, 04:19 PM   #7
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Quote:
Originally Posted by gsellstr View Post
Curious on the B230's, they list the bore at 95.25, so no chance of getting a factory piston back in there. Or is that so you can bore/hone it out to the preferred bore?
It gives you an undersized bore, that then needs to be bored/honed to fit a standard sized piston.
On industrial diesel engines, the sleeves are designed such that you can drop them in and run them. No machine work needed, just a puller and hammer/drivers.
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Old 12-18-2019, 05:17 PM   #8
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Quote:
Originally Posted by gsellstr View Post
Interesting, I've been entertaining the concept of sleeving the B20, similar concepts apply.

Curious on the B230's, they list the bore at 95.25, so no chance of getting a factory piston back in there. Or is that so you can bore/hone it out to the preferred bore?
The sleeve from Melling is for use with a standard size piston...

Melling part # CL173

They are like $44 CAD each over here.
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Old 12-18-2019, 05:29 PM   #9
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Quote:
Originally Posted by poulrais View Post
The sleeve from Melling is for use with a standard size piston...

Melling part # CL173

They are like $44 CAD each over here.
The Melling bore is 3.751in/95.3mm, and available in 1/8" wall # CSL273

Page #17:
https://www.melling.com/wp-content/u...ve-Catalog.pdf
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Old 12-18-2019, 10:15 PM   #10
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Quote:
Originally Posted by culberro View Post
The Melling bore is 3.751in/95.3mm, and available in 1/8" wall # CSL273

Page #17:
https://www.melling.com/wp-content/u...ve-Catalog.pdf
Isn't 3.751 equal to 93.775mm?
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Old 12-18-2019, 10:21 PM   #11
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Quote:
Originally Posted by poulrais View Post
Isn't 3.751 equal to 93.775mm?
25.4mm/in.
Using an iPhone calculator?
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Old 12-18-2019, 10:22 PM   #12
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3.751 x 25.4 = 95.2754
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Old 12-19-2019, 12:06 AM   #13
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Cool, kinda wondered if that was the case.

When it's time to build the B20 I will probably look into sleeving it, just for safety.
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Old 12-19-2019, 12:17 PM   #14
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96.5mm seems to be basically the standard bore for built engines with forged pistons... anyone here blown out a cylinder? Just so rarely see sleeves discussed for a cast iron red block.
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Old 12-19-2019, 12:23 PM   #15
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:ahem:

mine split out with 96.5

it's not all that uncommon for higher output levels, hence why the swedes do things like epoxy and concrete fill blocks, etc.
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Old 12-19-2019, 02:58 PM   #16
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Quote:
Originally Posted by Stiggy Pop View Post
96.5mm seems to be basically the standard bore for built engines with forged pistons... anyone here blown out a cylinder? Just so rarely see sleeves discussed for a cast iron red block.
Well the reason I need to sleeve is because the cylinder wall is damaged and I'm already bored to 96.5mm. I don't want to order a bigger set of pistons @ $800 USD when sleeving will cost much less than that.
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Old 12-19-2019, 03:29 PM   #17
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Quote:
Originally Posted by poulrais View Post
Well the reason I need to sleeve is because the cylinder wall is damaged and I'm already bored to 96.5mm. I don't want to order a bigger set of pistons @ $800 USD when sleeving will cost much less than that.
makes sense!
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Old 12-19-2019, 04:40 PM   #18
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Is it better to sleeve all four holes even though only one is damaged? Can the difference in material between the sleeved and non sleeved bores change the thermal characteristics of the block and make warp under heat/stress?
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Old 12-19-2019, 04:50 PM   #19
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Quote:
Originally Posted by poulrais View Post
Well the reason I need to sleeve is because the cylinder wall is damaged and I'm already bored to 96.5mm. I don't want to order a bigger set of pistons @ $800 USD when sleeving will cost much less than that.
calise! go get a block for $50 and start over..Is something special?

A fragment of the true fawkin' cross?? merde!

Its a block..There are many like it..
Hell Vince, remember him, that soon-to-be-full-time BC hippie has piles of blocks abandoned out there and he's probably never coming back. Borrow one..

When he's gonna build another motor he can get yours if it cleans up at 1mm

Keep it simple, stupide!!!
tou' jours simple!
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Old 12-19-2019, 04:57 PM   #20
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Quote:
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calise! go get a block for $50 and start over..Is something special?

A fragment of the true fawkin' cross?? merde!

Its a block..There are many like it..
Hell Vince, remember him, that soon-to-be-full-time BC hippie has piles of blocks abandoned out there and he's probably never coming back. Borrow one..

When he's gonna build another motor he can get yours if it cleans up at 1mm

Keep it simple, stupide!!!
tou' jours simple!
Well in my neck of the woods there ain't no tabarnak de blocs available and I'm not going to buy a freakin car to take the motor out and find out that the block is in bad shape. The block I have is already painted and the oil return hole has already been drilled and tapped, which is a pain in the arse of a job to do again.

Simple isn't always the best way to go, you should know that at your venerable age!
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Old 12-19-2019, 06:47 PM   #21
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Quote:
Originally Posted by John V, outside agitator View Post
calise! go get a block for $50 and start over..Is something special?

A fragment of the true fawkin' cross?? merde!

Its a block..There are many like it..
Hell Vince, remember him, that soon-to-be-full-time BC hippie has piles of blocks abandoned out there and he's probably never coming back. Borrow one..

When he's gonna build another motor he can get yours if it cleans up at 1mm

Keep it simple, stupide!!!
tou' jours simple!
Quote:
Originally Posted by poulrais View Post
Well in my neck of the woods there ain't no tabarnak de blocs available and I'm not going to buy a freakin car to take the motor out and find out that the block is in bad shape. The block I have is already painted and the oil return hole has already been drilled and tapped, which is a pain in the arse of a job to do again.

Simple isn't always the best way to go, you should know that at your venerable age!
As above. Finding a block that will accomodate a standard size piston these days is not easy, even here in Portland. I had to source 4 of them before finding one that would work.
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Old 12-19-2019, 07:02 PM   #22
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As above. Finding a block that will accomodate a standard size piston these days is not easy, even here in Portland. I had to source 4 of them before finding one that would work.
It's even hard to find a good block for an oversize piston... It has to be an NA block because the B230FT block all have that ridge at the top of the bores.
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Old 12-19-2019, 07:46 PM   #23
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Quote:
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It's even hard to find a good block for an oversize piston... It has to be an NA block because the B230FT block all have that ridge at the top of the bores.
Even NA ones do.
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Old 12-19-2019, 09:10 PM   #24
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I've got a squirter block in the hoard which has the Melling 96mm liners pressed into it. Seller told me he paid ~$75 a hole for the machining work. Post install the sleeves were then bored/finished for the stocker 96mm turbo pistons. Too good a deal to pass up at the time.... my son will build a 16V red block with that as the starting point. Good ol' boy machinist up in Chattanooga told me they were pressed in with some serious tonnage. Not sure if dry ice by itself would be enough.... but that's how they got 'er done.
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Old 12-19-2019, 09:46 PM   #25
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^Jealous. I shoulda done it.
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