<VV> Rusty Valve Springs

[jherken1]

Hi Joe,

a couple of thoughts:

a good soak in phosphoric acid ( I found that Ospho works wonders and leaves
a nice black coating).

Or you might find good results in putting the parts in a saline water soak
along with a piece of sacrificial stainless steel, then running a current
through them for a few hours.  This can make some pretty grungy water, but
does a nice job of reaching all the little nooks and crannies.

John Herkenratt
Corvair Minnesota
'61 Rampy
'65 Monza 'vert


----- Original Message ----- 
From: "N. Joseph Potts" <pottsf at msn.com>
To: "Corvair List" <virtualvairs at skiblack.com>
Sent: Friday, May 13, 2005 4:47 PM
Subject: <VV> Rusty Valve Springs


> Yes, I know - throw them away and replace with new. I've done that in the
> past, just feel like seeing if these can be rehabbed (they're fine except
> for rust on the springs and dampers). I have pulled the dampers and the
> dampers are pretty easy to scrub (pretty) clean. But the springs - well,
> anyone who has tried to scrub ALL the rust off a spring knows what I'm up
> against. The head, obviously, has been out of service for a good while,
> without benefit of rocker cover.
>       I COULD sandblast these springs, and I think that'd work well, but
is
> muriatic acid an option here? Say, just a two-minute-or-less dip - nothing
> that would eat or soak into the metal very much.
>      Reports of experience from recycling-minded mechanics would be very
> welcome, especially ON LIST.
>
> Joe Potts
> Miami, Florida USA
> 1966 Corsa coupe 140hp 4-speed with A/C
>
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