Topica Loopframe_Guzzi Archive
 

Subject: Re: aluminum question

Author: Chris Berry

Date: Jan 16, 2001, 3:43 PM

Post ID: 1704947959

All-
My actual question was about protecting it after polishing so I don't have
to polish it again 3 months later. Anhydrous "somthingoranother" is the
chemical I'm looking for.
No, I'm not smoking the crack pipe...I know I read about it here or in
the newsletter.
Polishing shops charge so much because it is a nasty process (and to make
money...lots of it!) It isn't the least bit hard if you have a buffing
wheel and the correct compounds available. I can have both my valve covers
and my generator belt cover chrome like in about 10-20 minutes. I just hate
doing it so often.
Ciao!
Chris in NC
'74 Eldo civ.


 From: Dave Morgan <rider-@mindspring.com>
Reply-To: Loopfram-@topica.com
To: Loopfram-@topica.com
Subject: Re: aluminum question
Date: Tue, 16 Jan 2001 10:56:18 -0800

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I've had good luck by starting out with some Eagle 1 aluminum mag wheel
cleaner. It contains hydrochloric or hydrofluoric acid (I think). Spray
it on,
let it sit for a few minutes, then hose it off. Then I take a green
Scotchbrite
pad and scrub some more, using plenty of water. If need be, you can use
varying
degrees of wet/dry sandpaper up to 1800 grit, again with plenty of water.
Finish by buffing on a wheel or with a die grinder or Dremel with a
polishing
bit and some Mother polishing compound.

It's a lot of work, turns your hands black, makes a big mess but the
results are
excellent. After doing it, you will appreciate why shops charge as much as
they
do to polish aluminum.

Cheers,

Dave

Richard Clegg wrote:

 
Hi guys
I do not know about any special method from a MGNOC periodical, but a
couple
 of things that we use on cases are- WD40 with a stiff brush then a
lighter
 brush, also I have heard using Coke ( as in Coca cola) works - it has(I
may
 be wrong here) Boric acid in it . For that matter Boric acid may be
used -
 and perhaps you can get that over a pharmacy counter. I hope this
helps- I
 not much for cleaning my bikes- although the ambo may be different once
iI
 get into it .

--
Dave Morgan
Eugene, Oregon USA
http://rider2000.home.mindspring.com

MINDSPRING.COM SUCKS! Ask me why.


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