06-11-2021, 09:13 PM
(06-11-2021, 08:06 PM)Chris KC Wrote: I have a standard A7 cast iron exhaust manifold which appears to have been hot metal sprayed at one time (was that a "thing"? why?) Looks like aluminium or zinc coating, not sure how to tell...
Metal-sprayed exhausts were all the rage in the 1960s. Aluminium-spray gave a nice clean white shade to your rusty exhaust; I favoured stainless steel spray which gave a dark metallic-grey effect. I don't think anyone gave any thought to what they might be like sixty years later!