Sunn Magna 131 is Altec 288 OEM ?

[GM]

Hmm, I'm thinking phosphoric acid would be better overall, especially for cleaning the gap: http://infohouse.p2ric.org/ref/27/26922.pdf

GM

[Phil-G]

Hmm, I'm thinking phosphoric acid would be better overall, especially for cleaning the gap: http://infohouse.p2ric.org/ref/27/26922.pdf

GM

yes it would. an electrolosis process like they do to car bodies might be even better. imagine how many door stops could be saved.

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http://infohouse.p2ric.org/ref/27/26922.pdf

on further review i will not be using acid anymore

[GM]

Agreed, but judging by the various tanks, plumbing, EPA BS, etc., required to do it properly, more trouble than it's worth except as a specialist business.

GM

[Phil-G]

Agreed, but judging by the various tanks, plumbing, EPA BS, etc., required to do it properly, more trouble than it's worth except as a specialist business.

GM

the guy in this video is pretty much a dumbass. never mix hydrogen oxygen and sparks.

in reality you would need to hit it with sufuric acid to remove the remaining iron filings.

[tomt]

i've had vinegar remove rust.

takes a few days ...