Join Date: Feb 2008
Location: Yellowknife, NT, Canada
Thanked 962 Times in 749 Posts
iTrader Score: 0 reviews
In half decent mechanical condition, good batteries and BOTH grid heaters working, it should have no problem starting to around -20f. after that, it may be hit or miss. but again, their are alot of variables!
My truck will start reliably unplugged down to -20c, down to -35c it will start, but it does not like it. below -35c it doesn't like to start, and when it does, it doesn't like it at all!
If you really need a cold start aid, but cannot use any external resources. look into a webasto/espar heater. Expensive, but they are the cats meow...
2015 3500 laramie dually. 6.7, aisin, 4.10s, bone stock... (for now
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2014 forest river XLR 395amp, 42.5ft of truck killing, wind catching, toy and booze hauling, fun...