Date: Sun, 25 Jan 2004 20:53:18 -0500
Reply-To: walt spak <b20swalt@CITY-NET.COM>
Sender: Vanagon Mailing List <vanagon@gerry.vanagon.com>
From: walt spak <b20swalt@CITY-NET.COM>
Subject: Re: Engine Case Cleaning
Content-Type: text/plain; charset="iso-8859-1"
John,
I have used the Arm & Hammer baking soda numerous times on 1950's Italian
engine blocks (aluminum) with absolutely no damage to any mating surfaces.
I would guess that one should use a little common sense when it comes to
pressure & volume and their mating surfaces.
Walt Spak
Pittsburgh PA
b20swalt@city-net.com
----- Original Message -----
From: "John Rodgers" <jh_rodgers@BELLSOUTH.NET>
To: <vanagon@GERRY.VANAGON.COM>
Sent: Sunday, January 25, 2004 1:08 AM
Subject: Re: Engine Case Cleaning
> Soda powder is used by archeologists in small air powered air-brush like
> tools to clean rock and mineral dposits off of fossil bones. Soda
> applied this way can be used to frost glass, or to clean paint or metal.
> It is a very fine abrasive and the abrasive action can be used for fine
> cleaning and polishing. It is easily dissolved in water for clean up. It
> would be ill advised to use it on mating surfaces of parts but it can be
> used on other surfaces.
>
> Regards.
>
> John Rodgers
> 88 GL Driver
>
> walt spak wrote:
>
> >Frank,
> >
> >After you get the case completely de-greased, have it blasted with baking
> >soda crystals. Arm & Hammer make crystals that can be used wet or dry
and
> >are non destructive. The beauty of them is that you can flush all of the
> >media away with water. It gives you a very nice bright surface.
> >
> >Walt Spak
> >Pittsburgh PA
> >b20swalt@city-net.com
> >----- Original Message -----
> >From: "Frank Condelli" <RAlanen@AOL.COM>
> >To: <vanagon@GERRY.VANAGON.COM>
> >Sent: Saturday, January 24, 2004 6:43 AM
> >Subject: Engine Case Cleaning
> >
> >
> >
> >
> >>What's the trick to getting the engine case sparkling clean when
> >>
> >>
> >rebuilding
> >
> >
> >>? I have looked into this locally and have been told by two engine
> >>rebuilding machine shops that the chemical dunk tanks they normally use
> >>
> >>
> >are not good
> >
> >
> >>for aluminium. The chemicals they use will turn the aluminium to mush
> >>
> >>
> >they
> >
> >
> >>say. They also say there is no aternative other than pressure washing
or
> >>perhaps oven baking. I have tried various engine shampoos and pressure
> >>
> >>
> >washing
> >
> >
> >>but the corrosion from oil and salt deposits on the cases remain. I
> >>
> >>
> >think
> >
> >
> >>there must be a chemical alternative. Anyone with suggestions please ?
> >>Cheers,
> >>
> >>Frank Condelli
> >>Almonte, Ontario, Canada
> >>_BusFusion_ (http://members.aol.com/BusFusion/bfhome.htm) a VW Camper
> >>camping event, Almonte, ON, June 10 ~ 13, 2004
> >>'87 Westy & Lionel Trains
> >>Member: _Vanagon List_ (http://www.vanagon.com/) , _LiMBO_
> >>(http://www.bcn.net/~limbo/) , _IWCCC_ (http://www.westfalia.qc.ca/) &
> >>
> >>
> >_CCVWC_
> >
> >
> >>(http://www.ccvwc.ca/)
> >>Vanagon/Vanagon Westfalia Service in the Ottawa Valley
> >>_STEBRO/Vanagon Stainless Steel Mufflers_
> >>(http://members.aol.com/Fkc43/stebro.htm)
> >>_Frank Condelli & Associates_
> >>
> >>
> >(http://members.aol.com/Fkc43/busindex.html)
> >
> >
> >>or http://frankcondelli.com
> >>
> >>
> >
> >
> >
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