One of the ingredients of Coke (and, I presume, Pepsi) is phosphoric acid. Phosphoric acid is the active ingredient in Naval Jelly (a product used to remove rust).
Lee Berg Palo Alto
"Karstens, William" wrote:
>
> In grade school, they show how teeth are corroded by soda on eggs. As a
> matter of point, Coke (regular at the time, before new coke, old coke,
> classic coke, clear coke, etc) worked better than pepsi at corroding egg
> shells. Talk about fear factor.
>
> Beyond that, anything with tons of Vitamen C and no sugar would in theory
> work better. Vitaman C is acidic. Works wonder on brass and shiny stuff.
> But coke would work better due to it's "fizz" lifting things out.
>
> I would be hesitant to poor anything in a frame due to corrosion issues,
> unless you could be sure to clear it out. You can save money on free up
> lubricants by using coke, but you'll need some sort of preservative to
> prevent future problems. Sort of throwing the baby out with the bath water,
> in my humble, not to experienced opinion.
>
> I'm a bit of a hack on many things, but I would say find a long metal rod of
> good thickness, and the apropriate sized BFG should solve the problem.
> Measure twice. Line up correctly, and there you go. No chemicals, no fuss.
>
> R/
> William "Bug Juice" Karstens
> San Diego, CA
>
> ----- Original Message -----
> From: <OROBOYZ@aol.com>
> To: <Classicrendezvous@bikelist.org>
> Sent: Wednesday, July 02, 2003 9:00 PM
> Subject: [CR]Fwd: frozen extension
>
> > Jimmy Thompsen (who has a fabulous Hetchins collection) has asked me to
> > forward this...
> >
> >
> > << ......about the man who cannot get his extension out of the steering
> > tube, tell him to turn his frame upside down and pour PEPSI COLA down
> > the steering tube and let it soak for about an hour.... it should help
> > free any corrosion and allow the parts to separate.
> >
> > Good Luck
> > Jimmy.T.
> >
> > Dale Brown