On Tue, 25 May 2004, Mark Seifert wrote:

> guy told me he used to seal air-cooled cases with a piece of string, and
> they never leaked.

Back in the days before modern "better living through chemistry" sealers,
they used to use a piece of silk thread to seal the case halves on
aviation engines.  But there are better alternatives now.

David Brodbeck, N8SRE
'86 Volvo 240DL wagon
'82 VW Vanagon Westfalia Diesel