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Supplemental Rapid Heat

5K views 31 replies 21 participants last post by  medicmedic 
#1 ·
How many of you guys have it? For those of you who don't, do you wish you got it? Truck I'm looking at doesn't have the option, however my 6.4 does, which has been nice when I've been in some pretty cold climates. Nowadays I'm mainly in Arizona, so I'm guessing it won't be too much of an issue, but for those of you who live where it's cold and don't have it, do you have any issues with it taking a long time to warm up? I remember the 6.4 could take awhile for the coolant temp to come off the peg, (in Wisconsin winter), which I assume could be an issue with getting heat in a timely manner.
 
#32 ·
2016 F350 6.7
This morning I did a quick test. Hopefully this helps. Please open the pics.

Outside Temperature 32°F Not plugged in.
35 seconds 40°F
2 minutes 50°F
Less than 3 minutes 58°F
3 1/2 minutes 60°F
5 minutes 68°F
 

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