The Ford Barn - View Single Post - Radiator Repair: Soldering 'Contaminated' Cast Iron Neck

Big hammer · 01-02-2018, 09:43 AM

You need to flux the joint for solder to stick, get the flux that is compatible with the solder you are using ! You should be able to fill the gap by multiple attempts :-)

01-02-2018, 09:43 AM	#3
Big hammer Senior Member Join Date: Jun 2014 Location: Land of Lincoln Posts: 3,430	Re: Radiator Repair: Soldering 'Contaminated' Cast Iron Neck You need to flux the joint for solder to stick, get the flux that is compatible with the solder you are using ! You should be able to fill the gap by multiple attempts :-) __________________ Don't force it with a little hammer tap, tap, tap get a bigger hammer tap done