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Tool Talk Discussion Forum

Cylinder Hone Grits

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kopeck

04-11-2006 16:13:54




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I was going to get a new hone since the one I have have was my grandfather's and probably 40+ years old (just a guess) and I didn't think there was a chance that I could still get replacement stones. Low and behold it's still being made (Ammco model 3800)!

They offer stones in 180, 280, and 400 grit. I know my grandfather only had one grit (I don't know what it is), so what would be a good general purpose grit?

Maybe even two grite (one to cut and one to finish), but the new stones are kind of pricy (about what I could get a new hone craftsman for)

Thanks,

K

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Bob Underwood

04-12-2006 03:16:26




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 Re: Cylinder Hone Grits in reply to kopeck, 04-11-2006 16:13:54  
Kopeck: Where can the the stones for the ammco hone be purchased? I have a 3950 setup for aluminum would like to have cast iron. Thanks Bob



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kopeck

04-12-2006 05:26:08




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 Re: Cylinder Hone Grits in reply to Bob Underwood, 04-12-2006 03:16:26  
I just did a google (froogle) search for ammco 3800.

I ended up getting mine from an outfit called tooldiscounter.com.

I would love to know how long they've been making these things. I know for a fact that the last time it was used was over 20 years ago.

K



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Bob Underwood

04-12-2006 06:36:22




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 Re: Cylinder Hone Grits in reply to kopeck, 04-12-2006 05:26:08  
That is the name I came up with. Thought that you might have another source. I was on one site and I think that NAPA was listed as a possibility.
Bob



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kopeck

04-12-2006 08:21:57




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 Re: Cylinder Hone Grits in reply to Bob Underwood, 04-12-2006 06:36:22  
The shipping is a little pricey but at least I'll have them.

I never thought of checking with NAPA...

K



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Tim Casbolt

04-11-2006 17:13:20




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 Re: Cylinder Hone Grits in reply to kopeck, 04-11-2006 16:13:54  
If you're planning to hone for cast iron rings, most anything would likely work fine. I'd get the middle grit and call it good. The kind of honing we do in our own garages is meant to just break the glaze so the new rings will seat. By the way, after trying many different lubricants while honing, I like plain old kerosene best. Keeps the stones nice and clean so they cut faster, and leaves a decent cross hatch if you keep it moving during the process.

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kopeck

04-11-2006 17:34:57




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 Re: Cylinder Hone Grits in reply to Tim Casbolt, 04-11-2006 17:13:20  
Yeah, nothing fancy here.

I think I'll get the 280 and be happy.

Kerosene eh? I was told just to use a light motor oil, that's quite a jump up from Kerosene!

Thanks,

K



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george md

04-12-2006 11:56:19




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 Re: Cylinder Hone Grits in reply to kopeck, 04-11-2006 17:34:57  
K, Engine oil is not a good choice as it is to good a lubricant , honing oil doesn't have the lubing qualities , but will float the grit away. kerosene would work well and also cleaning solvent if flooded . I made a tank and pump on wheels to roll under the engine stand ,pump with flex spout provides the stream to flood the cylinders and the open top tank catches it coming out of the block.

Not familiar with ammco hone , if it is a spring
loaded hone like a brake cyl hone , find someone
you really don't like and give it to them. Spring
hones just follow the contour of the wear in the cyl and don't true the cyl . I have 3 sunnen and
a hall hone , all are rigid hones and will true a cylinder wall .

george

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Slowpoke

04-12-2006 21:22:35




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 Re: Cylinder Hone Grits in reply to george md, 04-12-2006 11:56:19  
Hi George,

What are you using for a catch tank? Will an old topless 5 gal kerosene can work or will the solvent flow over a broad area and miss the can? Also, what are your thoughts on the flex hone?

Slowpoke



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george md

04-13-2006 09:43:44




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 Re: Cylinder Hone Grits in reply to Slowpoke, 04-12-2006 21:22:35  
third party image

Didn't work the other way

george



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george md

04-13-2006 07:18:55




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 Re: Cylinder Hone Grits in reply to Slowpoke, 04-12-2006 21:22:35  
Slopoke, The tank is about 2 x 3 ft and a foot deep ,also
use some sheets on the sides to catch what slings
out.

I just took a picture of it , I put it in the email.

As faras flex hones , I think they are worse than spring hones . If you are going to the trouble
to hone an engine , at least use a ridgid one
that will help to strighten the cylinder wall.

george



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kopeck

04-12-2006 13:49:21




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 Re: Cylinder Hone Grits in reply to george md, 04-12-2006 11:56:19  
I'll try Kerosene next time...

It's ridge, or at least all three arms move together not independantly.

Thanks,

K



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george md

04-12-2006 14:05:11




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 Re: Cylinder Hone Grits in reply to kopeck, 04-12-2006 13:49:21  
K, 3 stones are spring hones , 4 stone or 2 stone
and 2 wear pads are ridgid and size adjustable .

There are several on ebay - sunnen type AN -
and they seen to be selling reasonable. Just type in- sunnen - and take the tour .

george



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old

04-11-2006 17:12:21




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 Re: Cylinder Hone Grits in reply to kopeck, 04-11-2006 16:13:54  
A lot depends on how good or bad the cylinders are that you want to hone and also how long you want to hone them. The 400 is for a finish hone and the 180 is to ruff hone them



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