One thing I've learned About Grid Heaters...
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Blew his compression rings out more'n likely. We call those "ether babies". For the record starting in the cold isn't so bad if you have a "properly valved" engine It was about 18* out this morning and I didn't allow the grid heater to run(I woke up 1 min. before I had to be at work. I live 7 miles away) might have taken a crank more than usual but it only puffed white for about 10 seconds before it cleared up.
Try doing that with a powerstroke or duramax.
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