[Roadsters] stuck drums

[tim fisher]

Didn't I see a reference for using molasses on an old rusty engine block?  Seemed to work well...


--- On Wed, 3/25/09, Embarq Customer <andycost at embarqmail.com> wrote:

> From: Embarq Customer <andycost at embarqmail.com>
> Subject: Re: [Roadsters] stuck drums
> To: "Fergus P O'Farrell (AS)" <Fergus.OFarrell at ngc.com>
> Cc: datsun-roadsters at autox.team.net
> Date: Wednesday, March 25, 2009, 11:30 AM
> Be aware that basic compounds like NaOH or CaCO3 Drano,
> baking, soda, EZ off oven cleaner, etc... will attack
> aluminum but not steel, corrosion, or rust.  Acid will
> attack the aluminum, steel, corrosion, and rust.  If you use
> a liquid I would suggest a mild acid like vinegar.  Once you
> are done you need to treat the steel with base like a baking
> soda wash.  Otherwise the acid will turn the steel into a
> salt.  We all know what salt does to steel.
> 
> Dr. Andy PhD.
> 
> 
> 
> 
> ----- Original Message -----
> From: "Fergus P O'Farrell (AS)"
> <Fergus.OFarrell at ngc.com>
> To: datsun-roadsters at autox.team.net
> Sent: Wednesday, March 25, 2009 7:42:48 AM GMT -06:00
> US/Canada Central
> Subject: Re: [Roadsters] stuck drums
> 
> Gordon wrote:  Re: [Roadsters] stuck drums
> I ran into this a number of years ago and couldn't get
> it unstuck. Then
> a friend suggested ...pouring some liquid between the drum
> and backing
> plate. After marinating for a day or two, smacking the axle
> straight
> down on the studs popped the drum right off.  Unfortunately
> I can't
> remember what the liquid was. I keep thinking it was
> ammonia, but I'm
> not sure.
> 
> I suspect it was vinegar (aka: acetic acid), ya know, the
> same thing
> used to un-gunk the built up minerals in your coffee maker,
> and
> showerhead.  I shy away from all chemical-speak (got thru
> chem class,
> but swore I'd never re-visit that subject), but the
> oxidation of
> aluminum/steel dissimilar metals mix has me betting it was
> that.
> 
> Along those lines, that CLR (calcium, lime, rust) cleaner
> product may be
> one to try, although Andy's suggestion of really good
> alignment and a
> BFH has a lot of merit as well.
> 
> Fergus O
> 69 2000 (made a plaster splash of the Ford emblem on my
> kluge grille,
> buying casting resin today, so hopefully will have another
> "unique
> detail" soon)
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