Originally Posted by poncho62
Copper is too soft...won't withstand the pressure.
... Copper brake lines are nearly the only thing used as replacement brake lines here in Scandinavian! They actually lives much longere than the stock steel ones. Our safety inspections (testing the cars every 24 month) don't allow the cars to drive on the streets if the steel lines have any rust at all, so they are replaced by copper lines. I never heard about anybody replacing the copper lines again. They are still fine when the cars goes to the junk yard.
...this are copper lines ment to be used as brake line, all part shops here have them. It vil be very difficult finding steel line here.........