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Old 11-01-2010, 12:31 AM   #10 (permalink)
bestclimb
Smeghead
 
Join Date: Oct 2009
Location: South Central AK
Posts: 933

escort - '99 ford escort sport
90 day: 42.38 mpg (US)

scoobaru - '02 Subaru Forester s
90 day: 28.65 mpg (US)
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When we lived in western AK (arctic climate) an oil pan heater (jb or high temp silicone) was sufficient to keep oil in a very liquid state without blankets and what not and we were seeing -20* temps. Ideally I like a oil pan heater (glue on type), coolant heater (with a pump is best) a battery blanket or trickle charger, and cabin heater.

Oil pan heater
pro oil is very liquid which means that it will lubricate quickly
con does not warm the rest of the engine much

coolant heater
pro heater core is warm fast, the engine is warm for effecient opperation
con oil may not be heated very well and still thick

Battery blanket or trickle charger keeps the battery topped off in the very cold

Cabin heater is a luxury, but it is nice to have a warmish car to get into.
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