Reply To: 1924 Johnson A water pump

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January 29, 2023 at 12:41 pm #272013
putzer
Participant

    US Member

    I have used JB Weld on several Johnson A heads. First is to make sure it is just the water jacket. If that is all, after cleaning well, spread on the JB. Before it hardens, take a damp, terry cloth rag and dimple the material. This allows you to make the JB Weld material look similar to the coarseness of the rest of the head. Just make sure you don’t over do it.