Eastwood offers a full line of leading supplies, a bit costly but they have 30/70 sticks,
tinning butter, tallow, paddles and if I remember correctly they have a kit with everything
you need cept the torch. TP Tools also carries leading supplies, but I suspect the probably
drop ships it from Eastwood.
A couple of tips I might add here is to keep a soft slightly carburizing flame when leading
and don't over heat or you will have one heck of a time getting it tinned again. I use a
Tinning Fluid called “Tins-tyter” that is no longer made. It’s an acid/flux/lead compound
that works about the same as the tinning butters. And most importantly is cleanliness, all
the metal has to be pristine or you won’t have a good bond when you tin it. Plan ahead
and don’t try to go back and reheat what you’ve already added, you’ve got to work it with
the paddle right after you’ve added you’re material. Lastly, just as with any filler, this is
to level the surface so do your metal straightening as best as you can before filling. Lead
like Bondo is not meant to be used as a sculpting medium, just as a leveler.
Here are a couple of pictures of a tear in the nose of the rear fender on my ’50 where it
bolts to the running board. I had to do a little more clean up in some low spots before I
could get it tinned. I don’t have that pictured but I did it with a straight stiff wire brush in
a die grinder and cleaning with acid..
http://www.pbase.com/dennygraham/image/114604999 Denny G