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Old 10-15-2019, 05:02 PM   #9 (permalink)
It's all about Diesel
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Originally Posted by Shaneajanderson View Post
When I drove school bus many of them had electric recirculating pumps. The best method was to shut off the engine and turn on the recirculating pump, as it only pumped from the engine to the heater cores. The radiator cooled off very quickly and the thermostat closed, but the hot engine would heat the cab for an hour or more. The running engine kept coolant going to the radiator and would actually cool it off faster, circa 15 minutes for an idling bus engine.
Even though the Mirage's engine would have less heat to dissipate, I guess the proportion between engine size and interior space would lead such setup to be quite effective. As a last-case scenario, adding a small supplemental coolant heater might help somewhat.
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