Very cool Dylan,
 
I think I can find a similar brush for my grinder to get back there.  Do have any photos of paint cleared from the outside of the seem?  I'm wondering how far back I should remove the paint.

--
Matt Thyer

________________________________
> Date: Thu, 25 Feb 2010 11:36:30 -0800
> From: insyncro@yahoo.com
> Subject: Re: POR 15 in the seems
> To: matt_thyer@HOTMAIL.COM
> CC: vanagon@gerry.vanagon.com
>
>
>
> I do this process.
> I use a Snap On Crud Thug to remove all the seam sealer and gain access to the inner seam.
> All you have to do is get all the rust converted or removed and it will stay away.
> ALL means ALL, both inner and outer parts of the seam.
> The inner part is very difficult to gain access to in certain locations.
>
> POR Patch has heald up well on seams that were very rusted.
> I use 3m sealant when the van is a 8.5 out of 10 or better.
>
> Very deatailed writeups on the samba for this, including pics.
>
> dylan