[ROVERNET - UK] Acid dipped

[Glen Wilson 2]

As someone else hinted at, some racers dipped body panels and possibly
OEM frames in acid to reduce their weight. Roger Penske used to do this
with the Trans-Am cars he prepared for Mark Donohue. (Clever
Pennsylvania boys...) One of the Camaros they ran had a black vinyl
roof, and I think the story was that this kept the spec people from
noticing how thin the metal was. At any rate, you didn't jump up and
down on the roof of the car when you won the race.

Of course, my favorite story was the one about how Smokey Yunick
actually raced a car in Nascar that was built to 7/8ths scale. No wonder
they use those full-size body templates, now.

Glen

On Wed, 2006-02-08 at 16:41 -0800, Eric Russell wrote:
> Tom,
> I can't say that I have heard of engine parts "acid
> dipped".  The process that I have heard about is "hot
> tanked".  That is a heated petroleum based product (in
> a tank) with the liquid pumped so it moves around.  
> 
> I have heard of sheet metal such as doors,
> wings/fenders being acid dipped. The process is a
> dipping in an acid to remove paint and rust followed
> immediately by a dipping in a rust preventer solution.
> 
> For example, I have had my Rover 2000 block hot tanked
> and a couple of doors acid dipped and primed.
> 
> Eric
> 
> 
> --- Tom Total <tom-total at gmx.de> wrote:
> 
> > Sometimes, sellers offer engine parts e.g. pistons
> > or even complete blocks
> > as "acid dipped". Does anybody know which acid is
> > suitable for "dipping" for
> > cleaning purposes? I can imagine that cast iron
> > parts and items made of
> > aluminium may need different acid treatments, don't
> > they? Tom.
> > 
> > 
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