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Old 08-13-2014, 11:40 PM   #14 (permalink)
2000mc
herp derp Apprentice
 
Join Date: Oct 2008
Location: Lawrence, KS
Posts: 1,049

Saturn-sold - '99 saturn sc1
Team Saturn
90 day: 28.28 mpg (US)

Yukon - '03 GMC Yukon Denali
90 day: 13.74 mpg (US)
Thanks: 43
Thanked 331 Times in 233 Posts
i used Amazon.com: Kat's 24100 100 Watt 4"x 5" Universal Hot Pad Heater: Automotive

i would agree with others, that larger heaters for a short duration would be more effective and efficient, but i've gone with a wattage that shouldnt come back to bite me if i forget having plugged it in w/o a timer in place. i followed the kats usage guide, which shows
Engine Oil Pan
2-5 quarts 100 WATTS
5-8 quarts 150 WATTS
8-20 quarts 250 WATTS
20-35 quarts 500 WATTS
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