Two Silver Soldering Questions

[Marty_Knox]

There is a step between the propane/MAPP gas torches and oxy/acetylene. That is an air/acetylene torch, the old Prestolite or a newer Turbo Torch. People often confuse temperature and heat - oxy/acetylene provides high temperatures but is often too concentrated. When silver brazing(what people call silver soldering) what you need is a lot of BTUs, which the air/acetylene torch can provide.
Another point - what people usually call brazing is really bronze welding.

[hoppercar]

its hard to "build up" with silver solder, as it is very liquid, and flows very easily ....you would be better off to silver a small piece of brass to the area and re machine it