On Fri, 07 Jan 2005 03:43:45 GMT, wrote:
I'm sure I read somewhere that one should not use copper for fuel
lines for gasoline that something happens between the copper and the
gas.

It's not a reaction; copper washers are common on fuel line fittings
(at least in cars with Bosch fuel injection systems). I wouldn't use
it for lines because of copper's habit of work hardening.

Dave Hinz