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electroytic metal erosion

To: datsun-roadsters@autox.team.net
Subject: electroytic metal erosion
From: Dwight Claassen <whest172@wheatstate.com>
Date: Thu, 24 Feb 2000 21:38:58 -0800
Hi all;
   There has been a lot of talk on the list about the problems caused by
the association of different metals such as aluminum heads and cast iron
blocks.  What do you gearheads think of using sacrificial metals, such
as magnesium anodes, to protect against electroytic metal erosion or
EME?  The DD&E Rad Cap accomplishes this by hanging a magnesium anode
down from the radiator cap and you replace it on a semi-annual basis at
a cost of about $20.  However, I don't know if it is available for the
roadster.  Would there not be a way to make one yourself?  From what I
understand, the Rad Cap is a direct replacement for Stant, Robertshaw,
and Motorad caps.  Any ideas?

Dwight Claassen 
Whitewater, KS
68-2k

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