Vapor Vs Walnut shell blasting of engine cases.

tzmike
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444
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2/22/2014
Location
Warwick, NY US
8/17/2019 7:24am Edited Date/Time 11/14/2019 5:52pm
Has anyone used the shells instead of Vapor when freshening the engine cosmetics? My engine is already super clean with LOW HRS. I would hate to have to tear down and pull all the bearings and seals which I wouldn't need to do with blasting with shells. I can easily seal and go to town. Any input would be a great help. Thanks all.
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sandman768
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3/21/2014
Location
Saratoga Springs, NY US
8/18/2019 4:28am
I have only used soda for bare aluminum parts, If I remember correctly the walnut is pretty expensive for a small amount. I would try a small part first to see if you get the desired results. Vapor appears to be the best, but total disassemble required.
tldelaney
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23
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6/29/2018
Location
San Antonio, TX US
8/18/2019 12:49pm Edited Date/Time 8/18/2019 12:52pm
Here is an KX125 engine and brake caliper that I recently glass bead blasted (80 grit) This was supposed to be a refresh so vapor honing and the turnover time wasn't ideal for me. The nice thing about glass bead is it's very mild at about 60 PSI. The only thing I noticed and needed to replace was the kickstart seal.




1
tzmike
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444
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2/22/2014
Location
Warwick, NY US
8/19/2019 12:37am
I tried the shells yesterday at 60psi. All they did was bounce around. I don't wanna split cases and pull everything so I'm going stay with the silica bead as it works and gets me close to the desired effects. Thanks . If I end up doing the motor over, then I'll bite the bullet and vapor the parts.4
tldelaney
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23
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6/29/2018
Location
San Antonio, TX US
8/19/2019 4:09am
tzmike wrote:
I tried the shells yesterday at 60psi. All they did was bounce around. I don't wanna split cases and pull everything so I'm going stay with...
I tried the shells yesterday at 60psi. All they did was bounce around. I don't wanna split cases and pull everything so I'm going stay with the silica bead as it works and gets me close to the desired effects. Thanks . If I end up doing the motor over, then I'll bite the bullet and vapor the parts.4
Post some pics when your done. Curious to see what finish silica would leave.

The Shop

sandman768
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5958
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Location
Saratoga Springs, NY US
8/19/2019 4:18am
tldelaney wrote:
Here is an KX125 engine and brake caliper that I recently glass bead blasted (80 grit) This was supposed to be a refresh so vapor honing...
Here is an KX125 engine and brake caliper that I recently glass bead blasted (80 grit) This was supposed to be a refresh so vapor honing and the turnover time wasn't ideal for me. The nice thing about glass bead is it's very mild at about 60 PSI. The only thing I noticed and needed to replace was the kickstart seal.




Are you going to run that engine after glass beading it?
tldelaney
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23
Joined
6/29/2018
Location
San Antonio, TX US
8/19/2019 9:56am
Yeah I’ve already ran the 3 heat cycles and put an hour on the engine so far.
notme
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570
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5/23/2010
Location
CA
8/21/2019 10:37am
For a refresh i use SOS pads. Cheap, inevasive and quick. Rinse with hot water on a sponge. May not best the best if there is oxidation.
2
Blackjack31
Posts
403
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5/21/2017
Location
Shelby, NC US
11/14/2019 5:52pm
tldelaney wrote:
Here is an KX125 engine and brake caliper that I recently glass bead blasted (80 grit) This was supposed to be a refresh so vapor honing...
Here is an KX125 engine and brake caliper that I recently glass bead blasted (80 grit) This was supposed to be a refresh so vapor honing and the turnover time wasn't ideal for me. The nice thing about glass bead is it's very mild at about 60 PSI. The only thing I noticed and needed to replace was the kickstart seal.




What did you blast your engine cases with? I really like the look of glass beads but some people say it embeds the beads into the metal and others say it doesn’t with low psi. Then others say it still does and u have to tape them off. So does it? Or does it not? Those cases and caliper look awesome.
bmurany
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26
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11/8/2018
Location
Clio, MI US
11/15/2019 3:59pm
Mag wheel cleaner ! Prefect everytime

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