The exhaust was blasted with coal slag to remove the rust and strip it back to bare metal. It was then internally cleaned it by heating with a MAPP torch until the internal deposits of oily carbon caught fire and burned away.
Exhaust
The exhaust was blasted with coal slag to remove the rust and strip it back to bare metal. It was then internally cleaned it by heating with a MAPP torch until the internal deposits of oily carbon caught fire and burned away.