> Winsor Crosby <wincros@xxxxxxxxxxxxx> wrote:
>
>
> Chrome plating aluminum directly is already an old process. Porsche
> was doing it on the 946 model and I think GM used it on the
> unlamented Chevrolet Vega before that(not a high performance engine.
> :-)) GM did it to save money in not using iron cylinder liners.
> Porsche did it for superior heat transfer in the block. In some cases
>
> the process has been superceded by silicone treatments(not plating)
> that make the surface of the aluminum harder than the chrome that was
>
> used earlier. Metallurgy seems to be continuing to evolve.
> --
Thanks for filling me in on that Winsor - I'm always learning something from
this
list, much totally unrelated to OM !
Wayne Harridge
http://members.optusnet.com.au/~w_harridge
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