Copper use fuel lines

[T120]

This may have been mentioned before on the forum.Apart from the risk of

copper hardening,I came across this article stating that copper reacts with

gasoline resulting in the formation of gum residue....http://pubs.acs.org/cgi-bin/abstract.cgi/enfuem/2005/19/i02/abs/ef049849h.html

[Plymouthy Adams]

Good read..It also answers why we never see copper in a carburator..only aluminum alloy, steel, brass, plastic, leather, cork, bakelite..