You can use other primers besides zinc chromate. I have used epoxy.
You have to prep the aluminum, because it develops an aluminum oxide
skin. The prep usually involves a mild acid such as phosphoric. It
must be primed soon after the prep. The primer should come with prep
instructions.
Larry
On 1/5/2011 6:07 AM, Robert M. Lang wrote:
> Hi,
>
> Even though I got one of the original aluminium engine plates, I've
> yet to install them, yet. However, Khartu has a New Year's Resolution
> to loose some weight, so the plate will be installed in the next few
> weeks.
>
> The question is: are folks painting these plates (or anodizing, etc.)?
>
> I have to be honest, I don't think I've even noticed that folks have
> installed these on the cars that I've looked at, so that tells me that
> "we" aren't polishing them before installing...
>
> If folks are painting, please share what you're using as a primer
> bacause I have really crappy luck with getting paint to stick to
> aluminium.
>
> regards,
> rml
> ---------------------------------------------------------------------------
>
> Bob Lang Triumph TR6!! | This space for rent
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>
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