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Old 05-21-2009, 09:44 AM   #1 (permalink)
Daox
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Join Date: Dec 2007
Location: Germantown, WI
Posts: 5,379

Daox's Paseo - '97 Paseo
Team Toyota
Last 3: 53.99 mpg (US)

Daox's Prius - '04 Prius
90 day: 57.08 mpg (US)

CM400E - '81 CM400E
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Prius block heater mod

I've wondered a few times if it wouldn't be more beneficial to modify the coolant thermos to accept a block heater. You could heat up the coolant in the thermos to a much higher temp since it is insulated. When you key on, that coolant would dump into the engine and be much closer to operational temperature. Of course, this would require some fabrication work. But, if you could find an old thermos for a descent price, you could modify to your heart's content without having to worry about messing yours up. This would really help with the warm up cycle.


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