67/68/69 cuda dilemma

Doesnt affect the lead filler, i use a gallon bucket with TSP and water. Wipe the majority of the naval jelly off with a paper towel, then keep rinsing and scrubbing with the wire brush and the TSP water solution. Use paper towels to thoroughly dry it off. It will foam up when you put the TSP and water on it. Its neutralizing the acid.