Reply To: HD-25 water pump 1946 to 1950

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December 16, 2018 at 8:23 pm #160317
melugin
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    I have managed to make these out of thick rubber, such as a pick-up bed mat or a mudflap. For the rotor, I had to glue two layers, punch or drill a hole in the center, then grind off the OD. The Johnson rotor had a relief around the ID, but the gale products didn’t. Not sure if it would actually make a difference.