First Generation Firebird-L Mailing List
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I think you are missing the point about soda blasting. It does not have
those problems that other media has. You can leave glass in the car, it
won't affect rubber, it won't get very hot and it's not heavy enough to warp
metal in the manner you described.
Stu
----- Original Message -----
From: "Larry *.*" <[EMAIL PROTECTED]>
To: "First Generation Firebird-L" <[email protected]>
Sent: Wednesday, July 23, 2008 1:03 PM
Subject: RE: [FGF] Soda blasting
First Generation Firebird-L Mailing List
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Your story is an example why one should not farm out media blasting to
anyone. I started with really rotted stuff for practice like a battery tray
that wouldn't be saved and was reproduced. . I discovered that it's easy to
keep blasting at rust when it ate through much of the panel. It is like
taking millions of small body hammers and beating hell out of your car. The
most you can to with blasting is to remove surface rust that will cause
paint failure. If it needs more than that, metal needs to be cut out and
replaced.
I have read many heart breaking stories about sandblasting or media blasting
ruining panel straightness. Potentially expensive and restorable cars have
been ruined, many of them more valuable than a Firebird or Camaro. I have
read even more discouraging stories about finishing a car that was soda
blasted and having the car for a year or three under final paint. Then the
soda, which is chemically active in various nooks and cranies is still in
their causing failure.
I would not touch soda blasting with a ten foot pole. It is bad enough to
get media out of the project.
It is much smarter to chemically strip the car, then run a d/a sander and as
a last step, and if necessary, give it glancing cleanup with a sandblaster
you run at home.
A sand blasted panel cleaned up from OEM primer and paint will be stretched
from the equivlalent of hammer on dolly beating. This can be corrected with
a shrinking disc if it is not too badly damaged. My advice is don't abuse
the panels like this in the first place.
The s message is the guy who blasts tractors and farm parts should not be
any where near your classic bird. If you have media blasting done, it has to
be done by the same guy who has turned out winning results on expensive
cars. I am convinced the first step is chemical removal of the finish so the
metal is not abuse more than necessary..
Larry
--- On Wed, 7/23/08, S Sterchi <[EMAIL PROTECTED]> wrote:
From: S Sterchi <[EMAIL PROTECTED]>
Subject: RE: [FGF] Soda blasting
To: "First Generation Firebird-L" <[email protected]>
Date: Wednesday, July 23, 2008, 1:26 AM
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