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Hillclimber
 Post subject: Before or after boring?
PostPosted: Sun Jun 12, 2022 8:49 pm 

Joined: Sat Jul 14, 2012 10:31 pm
Posts: 76
Location: Onalaska Wisconsin USA
Should the cylinders on an H1 be bored out to new size before or after bead blasting?
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Tim Steele
PostPosted: Sun Jun 12, 2022 8:54 pm 
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Joined: Wed Jun 08, 2011 5:34 pm
Posts: 2785
Location: Front Royal, VA
My customers preference has historically been before.

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I Love the Smell of Blue Marble in the Morning!!!
Tim Steele in Front Royal, VA
Home of the Phoenix Project
Stay in it when it comes on the pipe, no need to be scared...
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ALTERED IMAGE
PostPosted: Mon Jun 13, 2022 4:39 am 
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Joined: Sun Sep 06, 2015 6:01 am
Posts: 300
Location: Metamora, MI
Just wondering why bead blast after bore/hone?

I see no logic.

cliff
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H2RTuner
PostPosted: Mon Jun 13, 2022 9:27 am 

Joined: Thu Jun 09, 2011 11:25 am
Posts: 3147
LAST operations are bore/hone

First, clean, bead blast, close pores in the aluminum with Brillo pad.
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Yeddy911
PostPosted: Mon Jun 13, 2022 10:25 am 
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Joined: Sun Feb 21, 2021 5:59 am
Posts: 154
Location: NY
I second H2RTuner. I do not like to risk any particles left behind.
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Hillclimber
PostPosted: Mon Jun 13, 2022 7:34 pm 

Joined: Sat Jul 14, 2012 10:31 pm
Posts: 76
Location: Onalaska Wisconsin USA
Thank you to all for replies.


Tim: Sent you a pm
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H2RTuner
PostPosted: Tue Jun 14, 2022 9:28 am 

Joined: Thu Jun 09, 2011 11:25 am
Posts: 3147
Clarification on the Brillo pad. All bead blasting opens the pores of the aluminum, allowing capture of dirt, grime, oils, grease, discoloring the aluminum. The Brillo pad closes those open pores, so adversive stuff doesn't stick, and the aluminum goes back to looking as new.
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