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Old November 22nd, 2016, 08:10 AM   #1
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Default Engine block heater

I've never had a car with one before, my ram has one.

At what temperature do you use this at on a gas engine? I figure I will plug it in on the few single digit days we have. \_(ツ)_/
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Old November 22nd, 2016, 08:36 AM   #2
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really I plug mine in whenever it get below freezing. Mainly because I love the instant heat I get and I feel better about my truck sitting warm. If I plug It in while its warm it'll keep the coolant about 100 degrees. keeping underhood temps warm also helps your battery life and starting. But that's me.
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Old November 22nd, 2016, 10:14 AM   #3
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really I plug mine in whenever it get below freezing. Mainly because I love the instant heat I get and I feel better about my truck sitting warm. If I plug It in while its warm it'll keep the coolant about 100 degrees. keeping underhood temps warm also helps your battery life and starting. But that's me.
It also helps on MPG. A cold engine uses more gas until it warms up to operating temps.
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Old November 22nd, 2016, 10:25 AM   #4
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better put the block heater on a timer or DTE will thank you.
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Old November 22nd, 2016, 10:27 AM   #5
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For my diesel they recommend using below 35-40. I know you said for a gas engine which usually doesn't have a problem with cold starts. I would recommend getting a programable timer and setting it to come on about 3 hours before you plan to leave. It is also recommended that you wiating a minute after unplugging it for the element to cool down so if there is an air bubbles in your cooling system it doesn't get to the element and burn it out prematurely
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Old November 22nd, 2016, 11:58 AM   #6
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I just have to find a way to keep the neighborhood kitties from sleeping under the hood too.
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Old November 22nd, 2016, 12:29 PM   #7
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I have one on my Jeep and I use it on most really cold days. I don't have auto start, but if if I plug it in, I have heat almost right at startup. Mines on a timer, set to start 2 hours before I leave. Mines plugged in when it's in the 20's and below.
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Old November 22nd, 2016, 06:01 PM   #8
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I have never plugged in any of the 3 cummins powered Rams i have owned. I don't see the point, they don't start hard even down below 0. Actually neither my 09 nor my current 14 actually had a cord to plug them in.
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Old November 24th, 2016, 08:33 AM   #9
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I have never plugged in any of the 3 cummins powered Rams i have owned. I don't see the point, they don't start hard even down below 0. Actually neither my 09 nor my current 14 actually had a cord to plug them in.


This
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Old November 24th, 2016, 07:14 PM   #10
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Old November 24th, 2016, 08:17 PM   #11
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better put the block heater on a timer or DTE will thank you.
The current dte rate is 8.772 cents per kwh. A cummins block heater is rated at 750 watts. Running it for 8 hours a day would cost 52 cents per day or $16 a month if you have it plugged in every night.
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Old November 24th, 2016, 08:37 PM   #12
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I have never plugged in any of the 3 cummins powered Rams i have owned. I don't see the point, they don't start hard even down below 0. Actually neither my 09 nor my current 14 actually had a cord to plug them in.
I've never plugged in my dmax either. Starts fine down to single digits. Re being warm at the get go, I enjoy parking in a heated garage. 👍
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Old November 24th, 2016, 09:41 PM   #13
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I typically won't plug in, always use the power service instead and zero issues all winter
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Old November 25th, 2016, 11:45 AM   #14
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I typically won't plug in, always use the power service instead and zero issues all winter
This. Did this all last winter cause my block heater cord was broken and never had an issue on my dmax in northern michigan.

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Old November 25th, 2016, 12:57 PM   #15
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I don't plug in my Dmax, use no fuel additive and have had zero issues. The last 9 trucks I have had I have done the same with and only one ever failed to start when it was cold. I blame that on being a Ford 6.ohno.
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Old November 25th, 2016, 02:45 PM   #16
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I've used fuel additive in really cold weather............ just cuz people tell me I should.
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Old November 26th, 2016, 09:39 AM   #17
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Quote:
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The current dte rate is 8.772 cents per kwh. A cummins block heater is rated at 750 watts. Running it for 8 hours a day would cost 52 cents per day or $16 a month if you have it plugged in every night.
Aren't they also kind of self regulating, once they get a certain temp wouldn't the resistance change???
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Old November 28th, 2016, 05:37 AM   #18
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You don't really need it until temps start dipping below 0. Like, in the range of -20 to -40, but when it's that cold, who goes out?

If you really want to use it, as said, you'll spend a few extra bucks on electricity every month. If you have a long commute, your fuel savings will be small. If you're commute is short, like, the vehicle is finally up to temp by the time you get to work, it might balance out in fuel savings to heat the block every morning. I know I hate driving with winter gloves on.
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Old November 29th, 2016, 12:52 AM   #19
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The only time I ever needed one was while living in North Dakota, your junk would not start very nicely without one, it was stupid cold up there.

Then, about 2 winters ago while up near Lewiston there was a night that hit around -10 and my jeep would not start. it would turn over just fine but would not start, a block heater would have been nice at that moment.
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Old November 29th, 2016, 06:10 AM   #20
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I have never plugged in my '12 F350 I just hit the remote start when I wake up and by the time I walk out the door most of the snow is off the truck and it's warm inside
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