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Tech. Advice: Series 'B' / 'C' 500cc/1000cc Bikes
Blasting crankcases
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<blockquote data-quote="Cyborg" data-source="post: 104583" data-attributes="member: 3426"><p>I don't have any experience with soda blasting, so nothing to offer there. I could never bring myself to use anything abrasive on alloy engine castings. Many years ago I was given some industrial aircraft paint stripper and tried it on a set of Commando cases. The results were absolutely stunning. I ordered up a 5 gallon pail of B15 from <a href="https://www.bencosales.com/metal-strippers/" target="_blank">https://www.bencosales.com/metal-strippers/</a> (not that you'd want to try and get some shipped internationally). It works, but not quite as well as the original stuff and it really stinks. The usual process is to apply the stripper (a brass brush helps with the white fuzzy stuff) wipe off any excess, pressure wash and then do a final rinse when the bride is out. Photo shows the cleaned timing side sitting on the yet to be done drive side. On a side note... if you do have something blasted and it looks too bright (like a set of blasted heads that I acquired) a trip through the dish washer with the appropriate detergent will have them coming out with a much more natural looking finish.</p><p></p><p></p><p></p><p>[ATTACH=full]26004[/ATTACH][ATTACH=full]26005[/ATTACH]</p></blockquote><p></p>
[QUOTE="Cyborg, post: 104583, member: 3426"] I don't have any experience with soda blasting, so nothing to offer there. I could never bring myself to use anything abrasive on alloy engine castings. Many years ago I was given some industrial aircraft paint stripper and tried it on a set of Commando cases. The results were absolutely stunning. I ordered up a 5 gallon pail of B15 from [URL]https://www.bencosales.com/metal-strippers/[/URL] (not that you'd want to try and get some shipped internationally). It works, but not quite as well as the original stuff and it really stinks. The usual process is to apply the stripper (a brass brush helps with the white fuzzy stuff) wipe off any excess, pressure wash and then do a final rinse when the bride is out. Photo shows the cleaned timing side sitting on the yet to be done drive side. On a side note... if you do have something blasted and it looks too bright (like a set of blasted heads that I acquired) a trip through the dish washer with the appropriate detergent will have them coming out with a much more natural looking finish. [ATTACH type="full" alt="26004"]26004[/ATTACH][ATTACH type="full" alt="26005"]26005[/ATTACH] [/QUOTE]
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Tech. Advice: Series 'B' / 'C' 500cc/1000cc Bikes
Blasting crankcases
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