Know a guy on one of our club tours driving to a National MARC Meet who had serious overheating issues and he didn't want to slow down the whole group. He stopped at a hardware store and bought a Hudson pump orchard sprayer and some aquarium hose. The hose was run to the radiator overflow pipe from the Hudson sprayer. His passenger would pump it up and squirt water from this pump to top off the radiator when the motometer showed it to be getting too hot. It got them there OK....
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