Re: [Amc-list] Rust/metal prep.... AGAIN!

[Wrambler242@xxxxxxxxxxx]

It's done both ways nowadays.
Bondo on metal or bondo on primer.
I understand the reasoning behind both camps.
B&M figures adhesion.
B&P figures corrosion resisitance.
If I have an doubts on a solid backsurface and fear water contacting I always use waterproof stuff.
For instance my welded firewall will get a skim of Duraglas or similar. As will most of my repairs on the vert.
The American got this treatment and near as I can tell It's at the 10 yr point soon! Not a bubble or sign of returning corrosion. Sure it has not gotten driven much, but it has spent one winter outside under a cover and lots of time in underground garages. I run a dehumidifier in there now, but not for the first year or so.

I also find that us "old guys" tend to go to the bondo on metal. The younger guys go the opposite route.

--
Mark Price
Morgantown, WV
1969 AMC Rambler, 4.0L, EFI, T-5
2004 Grand Cherokee Laredo, 4.7L, Quadratrc II
" Chronic Pain Hurts"

 -------------- Original message ----------------------
From: Don <don_nsx@xxxxxxxxxxxx>
> Davis,
> I've talked to a lot of "experts" and they all say that the "bondo" goes on the 
> metal and the primer goes over that.
> Whatever you use, Bondo or some other filler, needs to cling to the metal, NOT 
> the primer.
> FWIW.
> Don
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