Does the block heater run continuously?

[NavyDood]

When I leave mine plugged in over night the engine temp will be around 140 when I start her up in the morning. So I'll have warm air right away and it'll get warmer a short distance down the road. I like to plug it in when it gets around 40 or less. The truck is just much happier if I do

My thoughts exactly. That is what I have been doing.



As far as driving off forgetting it's plugged in? This is what I did.



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[jwduke]

NavyDood, I like your setup.

 

[flimmy]

I have noticed that it will heat the coolant enough to melt the frost from the lower part of the windshield. I have heat within 2 miles.