I cant believe you are considering a blow torch and angle grinder on a perfectly good frame,leave it as it is ffs.
Blow torches are for plumbing and glazing cakes ,angle grinders are for chopping car roofs off
Mapp gas gets hot enough to braze doesnt it? Arthur from Ladypool cycles used it all the time.
Mapp gas gets hot enough to braze doesnt it? Arthur from Ladypool cycles used it all the time.