On Sat, 20 Aug 2005 21:35:23 -0700, Bob wrote:
::Silicone rubber rocker cover gaskets are used in piston-powered aircraft
:engines.
::They (arguably) seal a little better than cork, but the main advantage is
:that they
::are reusable.
::
::I expect the same would apply in cars.
Cheap rubber gaskets like those supplied with gas tank sending units
tend to spread and distort when clamped in place. Result -- at least
for me -- leaks. Cork gaskets don't distort the same way, and don't
leak for me.
-Roland
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