I've written on the "differences" between them here before...
Dear Wing-span & SrTelemaster:
The PIPE here with a quick one...per the statment from SrTelemaster earlier:
Originally Posted by SrTelemaster
Low temperature silver solder will not holdup to the heat of a muffler. Hign temperture silver brazing is what needs to be employed.
a post of mine at RCGroups from almost a year ago in the "WWI Everyone" thread
should clarify that sort of thing up, as I've done BOTH procedures in making both landing gear and exahust systems for scale model aircraft with various types of metal parts.
Please click on the "linkey-dink" bold type (my own term for such a thing in posts) in the previous paragraph to read the post...
...and also check out The Brazing Book online
to e-learn more about it, too, for the "high-temperature" stuff !!
Hope all this info helps a little...