Quote:
Originally Posted by NHB
I would consider leaving 600 watt block heater pugged in all night only when it's really cold outside (-20 °F or colder). Usually 1-2 hours is enough for a normal I4-engine. A huge V8 might need more time.
I would rather have 600 watt block heater working together with a 200-300 watt oil heater. Oil heater heats the oil much faster than any block heater.
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It very rarely gets to -20°F, but when it does get below 0°F I will usually leave one plugged in after I go to bed.
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1984 chevy suburban, custom made 6.5L diesel turbocharged with a Garrett T76 and Holset HE351VE, 22:1 compression 13psi of intercooled boost.
1989 firebird mostly stock. Aside from the 6-speed manual trans, corvette gen 5 front brakes, 1LE drive shaft, 4th Gen disc brake fbody rear end.
2011 leaf SL, white, portable 240v CHAdeMO, trailer hitch, new batt as of 2014.
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