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How long can I run on only distilled water in the cooling system? Started flushing and had to call it quits before I could finish - truck is too loud for the neighboors!

Still have to put the thermostat back in and I might back flush the oil cooler and heater core one more time. Completed a restore and restore + flush.

I will only be driving to work - 10 mi round trip - 40 mph....This won't harm anything or cause rust to build up after only days will it?

Thanks!
 

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It will start rusting right away, it's how it works. I'd have a coolant filter on it at the very least if you're gonna do it.
 

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Not a good idea as the coolant stops cavitation on the cylinder walls. I would finish flushing as soon as possible and get coolant in it.
 
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