Ingemar Viklund
Well-Known Member
Tried an old trick on my ugly decolorized, rusty exhaustmanifolds. No need to remove them. Scrubbed them with some sandpaper the best I could and then smeared on grey stovepolish with a rag. Wiped away the overflow with some paper and started the engine and let it run til hot. The stovepolish will make some light smoke in the beginning but will stop quickly. Result is amazing with almost no effort.