Duplicolor ceramic engine paint issues

Just for sake of conversation here is the professional grade Primer Surfacer I use on everything, can be topcoated with any finish too.

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And here is the good grade Lacquer Thinner to thin it with so you can spray it, and keeps it wet just long enough to let any trapped moisture from your air compressor to evaporate out. Cheep gun cleaning thinners dry too fast, leaving a blushing look to the applied surfacer on a humid day.

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Like this primer surfacer because it is simple, universal as a primer sealer or primer surfacer, can be brushed into rough cast iron and dabbing it for a nice surface to topcoat spray over. Can be used a base for nice custom finishes too.

No activator required like some surfacers require.