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I think brazing and 'sweating' with solder is the same thing.
My quickie wiki research finds that most solder melts below 450°C and propane torches will heat up to 1995°C.
I apply flux to the inside of the fittings and the outside of the pipe, fit them together, heat the fitting until the flux starts to steam. At that point you just touches the edge of the fitting with the solder and it draws into the fitting and takes the place of the flux.
It should take about 15-20 seconds per fitting.
KT
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'74 914-6 2.6 SS #746
'01 Boxster
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