Forum Discussion
Schlickenmeyer
Dec 09, 2004Explorer
I had my '01 Cummins start in -13 with out any help. Sure, I plug in when I can, did that with my cars too. Just being nice. But the new Cummins I believe is factory spec to -20 no plug in. (If you have good batteries, etc..). A lot of cars won't do that. So they are getting better as they evolve.
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