Copper is best material for radiator.Best heat conductor after
gold.But it's too expensive now to use in radiators.
Aluminum is main material in radiators.Decent heat conductor and
cheap.
Leon

On Thu, 19 May 2005 10:54:18 -0700, roger sisler
<rogersisler2000@YAHOO.COM> wrote:

> Hello, can anyone please tell me if there is a significant difference in
> the preformance here?  VW changed the metal in the radiater in 86 , I
> believe, as did most manufacturers. I once heard that aluminum is
> superior, but dont really know for sure. Will one provide a mesurable
> edge in over heating protection the summer, especially with a/c? Can
> both be rebuilt , or renewed by radiater shops? Thanks
>
>
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