<VV> Re: Control Arm Identification

[Harry Yarnell]

Um, we talking the upper and/or lower front control arms? They're stamped
steel.

Harry Yarnell
perryman garage and orphanage
perryman, MD
hyarnell1@earthlink.net

----- Original Message ----- 
From: "Garth Stapon" <stapon1@earthlink.net>
To: <virtualvairs@corvair.org>
Sent: Sunday, February 20, 2005 11:28 AM
Subject: <VV> Re: Control Arm Identification


> Gents:
>
> There is a very remote chance that the control arm may be made of cast
iron.
> If it is, it would require a vastly different welding procedure.
>
> To determine this there are several things that can done. (safety glasses
> recommended)
>
> 1) Put the arm in a vice. Put a grinder to the surface of the arm and if
> straw colored sparks are prevalent, it is cast (These are actually carbon
> particles).
> 2) Put the arm in a vice.  Use a sharp chisel and hammer at a 30 degree
> angle off the surface of the arm. Try to remove a small amount of
material.
> If it curls up in a pig tail, it is cast steel.  If it chips off in small
> pieces (after multiple attempts) it is cast iron.
> 3) Try to flame cut an old scrap one (one that is to be reused should not
be
> flame cut -sever the one you wish to reuse with plasma or machine/grind
it).
> If it does not cut easily with oxy-fuel, it is cast iron.
>
> Just want to be safe.  If someone will do this and let me know the results
> it would be helpful. If it turns out to be cast iron, I will need to
> recommend and alternate procedure for welding.
>
> LATE CANADIAN POWER GLIDE SEDANS RULE
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