01-20-2009, 10:44 PM
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#89 (permalink)
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Batman Junior
Join Date: Nov 2007
Location: 1000 Islands, Ontario, Canada
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Ben: I've seen several cars with hissing block heaters. It's probably the coolant boiling at the element. I don't think that's particularly efficient, and maybe bad for the long term prospects of the element, but it's not unusual.
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