[DeTomaso] Fuel Line welding/brazing

[Doug Braun]

Jack,

When I go to my local auto parts store, the only 5/16" line they have is the
same stuff as standard brake lines just larger.  Can you suggest a source
for non zinc plated (weldable) fuel line?

Doug

On Mon, Aug 9, 2010 at 10:50 AM, <JDeRyke at aol.com> wrote:

> Doug, I wouldn't recommend trying to weld BRAKE line, which as you were
> told, is really Bundyweld tubing made of a sheet of steel rolled into a
> cylinder and furnace-brazed. This stuff was the first steel lines used for
> hydraulic brakes back in the 1930s and is still used in the 21st century.
> Welding (or likely even brazing) will overheat the braze line and cause it
> to debond, then leak. But steel FUEL line is not made that way and can be
> welded or brazed safely. And 5/16" fuel line will be much easier to find
> anyway since brake lines are typically smaller in diameter to minimize the
> amount of fluid.
>
> The rin/zincprotective plating on either will burn away at the first touch
> of a torch; do not breathe the fumes or you'll get a mild case of
> heavy-metal poisoning known as "zinc shakes" that is temporary but highly
> unpleasant! Galvanized steel also behaves this way: weld it outdoors with a
> mask. Good luck- J DeRyke