[DML] Re: DeLorean Frames

["content22207" <brobertson@xxxxxxxxxxxx>]

Nonsense.

>From 1980 forward, every single car manufactured by AMC was made
completely of galvanized sheet metal (galvanized at the mill, before
being received by AMC in giant rolls). From the top of the roof to the
bottom of the rocker panels, stamped welded or otherwise, the entire
body was 100% galvanized. Welds weren't the problem -- paint was. AMC
had to develop special primer to make the paint stick (which works
excellently: My 1981 AMC has never had a single adhesion issue --
compare that to DeLorean epoxy). 

AMC also Zeibarted inside the rocker panels, doors, and other hidey holes.

And added plastic wheel well liners.

Had JZD gone to AMC for development help, our cars probably wouldn't
have any sort of frame at all (AMC was the undisputed domestic
champion of unit body construction). Wonder what the boys in Kenosha
could have done with ERM....

Bill Robertson
#5939

>--- In dmcnews@xxxxxxxxxxxxxxx, "David Teitelbaum" <jtrealty@...> wrote:
>
> It is difficult to get a good weld with galvanized (zinc coated)
> steel. Even doing so the area that is welded has the coating burned
> off so it could rust there unless recoated with zinc. The major US
> automakers pioneered the use of a product called Zincro. It is sheet
> metal coated on only one side and usually formed into a single part
> with little welding like a wheel well or a rocker panel (and usually
> spot welded). Used in high corrosion places with the unprotected side
> exposed to the elements. Higher carbon content usually means higher
> strength, not improved corrosion resistance. Other elements are added
> for that. The most common form is S/S known for it's superior
> resistance to corrosion. It also has a higher tensile strength so it
> is heavier and harder to form. More expensive and a little harder to
weld.
> David Teitelbaum
> vin 10757




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