A magnet ,of course.
Linda
-----Original Message-----
From: John F Sandhoff <sandhoff@csus.edu>
To: ljordan704@netscape.net
Cc: datsun-roadsters@autox.team.net
Sent: Thu, 18 Sep 2008 5:08 pm
Subject: Re: datsun 1600 head questions
> Isn't it possible to tell if it is aluminum or iron from the outside...?
Sure. A magnet will stick to an iron head, not to aluminum.
-- John
John F Sandhoff sandhoff@csus.edu Sacramento, CA
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