aluminium cylinder head repair

http://www.aluminiumweld.co.uk This 1948 Bristol 401 aluminium cylinder head casting is so porous and full of impurities especially in the combustion areas , that when you light up its like trying weld through a thick non viscous layer of slag with nothing underneath. Joy!.. Follow the link to see part 2 of this video http://www.nimonic.co.uk/vintagevehicles.html

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