I tried an Aluminium filler 4043 but it doesn't look like its taking to the base metal
Its some sort of Mag the chips do burn

Hi Guys I have 2 formula ford race car bell housing in bits l have welded the first bell housing with out a problem using az92a filler The second bell housing feels a bit heaver and the az92a wont take to the parent metal it will lay in but when cool it falls out Any ideas guys were I'm going wrong ...

Thanks for the welcome guys

Hi fellow welders just found this forum and thought l would join up
Been welding for 35 plus years and still learning new stuff
Cheers
Brett B