Moderator: Whiskerfish
pistolpete wrote: SNIP
Please help me out here as I am unsure of the reasoning for making the surface bright when it never was from Honda.
However if a customer wishes the finish to be brighter we can do that for him/her upon request.
Pistol
wog wrote:There's an article in the latest VJMC magazine about vapor honing.
salukispeed wrote:If I remember correctly When I worked for Honda as A youngster 40+ years ago My Service rep claimed the surface on the Zinc/aluminum Kehin carbs was the result of some sort of Pickeling process that added a bit of sealing quality and oxidation protection and was quite against many of the chem dips of the day. This sealing process helped keep the fresh finish and the fuel stains to a minimum. 40+ years later this hardly matters but is there something similar.
Old Fogey wrote:salukispeed wrote:If I remember correctly When I worked for Honda as A youngster 40+ years ago My Service rep claimed the surface on the Zinc/aluminum Kehin carbs was the result of some sort of Pickeling process that added a bit of sealing quality and oxidation protection and was quite against many of the chem dips of the day. This sealing process helped keep the fresh finish and the fuel stains to a minimum. 40+ years later this hardly matters but is there something similar.
Yup, that's exactly what I thought. I served my time in Veeder-Root, an American firm that made/makes? the counter heads for fuel pumps. We used a process like that for the Zamak side frames to prevent corrosion. It put the same sort of iridescent sheen on them that you see on new carbs. Unfortunately, the dipping plant was not some place I had access to, nor any interest in, at that time.
Old Fogey wrote:Can't edit a post on this forum, for whatever reason?
I wanted to add; a vinegar bath gets rid of the rust nicely. Takes a couple of days, but no harsh chemicals to worry about.
It also seems to get rid of any cad plating too! I dropped a couple of choke plates in and hey came out clean steel. Going to have to plate them too now. But not cad. Home cad plating is impossible, and in fact there are very few plating shops that will do it either, due to the toxicity.
Old Fogey wrote:Your offer much appreciated Pete, but these were just a couple of spares that I was experimenting with so no problem there.
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