10-05-2023, 07:20 PM
(This post was last modified: 10-05-2023, 07:24 PM by Stuart Giles.)
AFAIK, The factory used silver solder on both fuel and oil lines throughout, the only failures I have seen have been with soft soldered joints. If you use Silver Flow 55 filler, The solder runs just as the joint is getting some colour, so below proper red heat. Easy Flo flux is the one to use on copper and brass, Tenacity 5 flux (AKA HT5) for steel joints & stainless steel.