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mraxl
 Post subject: Re: 1972 H1-B
PostPosted: Tue Dec 19, 2023 11:18 am 
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Joined: Tue Jun 07, 2011 6:36 am
Posts: 2714
Location: Dandridge, TN, USA
Try jessbikes.com

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Hambone1962
 Post subject: Re: 1972 H1-B
PostPosted: Tue Dec 19, 2023 1:55 pm 

Joined: Tue Apr 07, 2020 3:24 am
Posts: 127
Location: El Dorado Arkansas
mraxl wrote:
Try jessbikes.com


They are out of the bearings, these have been recommended from Norway, any thoughts?
https://www.ebay.com/itm/172019442633?f ... R_rxhaiQYw
https://www.ebay.com/itm/171989060654?h ... R86SmqiQYw
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mraxl
 Post subject: Re: 1972 H1-B
PostPosted: Tue Dec 19, 2023 3:13 pm 
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Location: Dandridge, TN, USA
The kits from Norway have a good reputation.

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Hambone1962
 Post subject: Re: 1972 H1-B
PostPosted: Tue Dec 19, 2023 4:24 pm 

Joined: Tue Apr 07, 2020 3:24 am
Posts: 127
Location: El Dorado Arkansas
mraxl wrote:
The kits from Norway have a good reputation.


I'm going to try them, takes a little while to get them, will give me some time to get the engine cleaned up. Has anyone tried walnut shells to clean the center cases, I bought some a couple years ago to clean some carbs, best I remember, I wasn't impressed. I may power wash first and see what happens, they're not that bad, been wiping some of the grime off.
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ThreePipesSmokin
 Post subject: Re: 1972 H1-B
PostPosted: Wed Dec 20, 2023 8:20 am 
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Joined: Wed Jun 08, 2011 10:28 pm
Posts: 1572
Location: Tampa Bay Florida
I tried walnut shells a while ago and I found that you have to blast with something more abrasive first (glass beads, etc.), then the shells are just to give the softer finish. Alone, on a dirty case like the one shown, they will disappoint and cause more work...

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Tim Steele
 Post subject: Re: 1972 H1-B
PostPosted: Wed Dec 20, 2023 9:14 am 
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Location: Front Royal, VA
viewtopic.php?f=25&t=49

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ALTERED IMAGE
 Post subject: Re: 1972 H1-B
PostPosted: Wed Dec 20, 2023 1:48 pm 
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Joined: Sun Sep 06, 2015 6:01 am
Posts: 335
Location: Metamora, MI
300psi walnut shell blast is what we used on pre machined alum casting for all chevy intakes.
caddy also

in a blast cabinet with 30 on a rack of 4(120)

cliff

beautiful matte finish with little black specs.
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RODH2
 Post subject: Re: 1972 H1-B
PostPosted: Wed Dec 20, 2023 6:32 pm 
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Joined: Thu Jun 09, 2011 7:03 am
Posts: 4612
Location: Milang, South Australia
I used to blast with Urea, a plastic like medium. This was for small turbo-prop gearbox cases. Very clean, non abrasive (no dimensional changes to the item ), easy clean up. Did a host of H2 engine and frame parts back in the day with this. :thumbup:

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Hambone1962
 Post subject: Re: 1972 H1-B
PostPosted: Thu Dec 21, 2023 4:29 pm 

Joined: Tue Apr 07, 2020 3:24 am
Posts: 127
Location: El Dorado Arkansas
I've been cleaning the grime off the cases with various brushes and brake cleaner, cleaning up fairly well, then I'm going to hit them with degreaser and a hot water pressure wash, I think I will be good, not going for the polished look. The next thing is the heads and cylinders, I have some real fine glass I'm going to try on them through my little portable blaster. I have a cabinet with glass beads but not sure I want to get that aggressive.
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ALTERED IMAGE
 Post subject: Re: 1972 H1-B
PostPosted: Thu Dec 21, 2023 11:31 pm 
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Joined: Sun Sep 06, 2015 6:01 am
Posts: 335
Location: Metamora, MI
no glass or sand on cases!
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