In a message dated 8/29/02 8:56:19 PM, clive.harman-smith@NTLWORLD.COM
writes:

> I may be wrong, but you'll have to go some to prove that anyone would cast
> any significant quantities of mag ally's into an auto engine - for one, all
> the threads would have to have inserts.
>
The VERY early Volkswagen engines (in the orginal Beetles) in the 50s I
believe and some of the Porsche engines from that period as well were
magnesium blocks. Aluminum alloys replaced them (except in racing engines) by
the 60s I think.