Compression Ignition Addict
Join Date: Oct 2010
Thanked 40 Times in 35 Posts
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I can't speak for the -40 stuff. But I spent the winter in the -25 and never had a problem. My truck was outside at night, not plugged in. When I would hear my neighbor out trying to start his truck, I would hit the remote start button on mine and hear it immediately start. Mine was on the default setting where it ran for 5 minutes and turned off. If I had not walked out the door in that 5 minutes, I would hit the remote a second time.
Usually when I got out side, The windshield was melted off and the cab was starting to warm up. It takes a while to warm up all the cab after a long cold soak. And I can say that even with some 30 minute hiway drives. The truck never really came up to full operating temp during the drive. When I pulled into the parking lot, it would kick up into fast idle to continue trying to warm up. 65 mph on the hiway with no load is only 450° F EGT temps. Put a trailer behind it, climb some grades or faster acceleration and you will get the EGTs up around 700-800° and it would warm up faster.
But it never had trouble starting at -25°F. It was never plugged in, My truck bought in Utah, doesn't even have the block warmer, I did run synthetic oil last winter and I did use Opti-Lube XPD winter formula fuel additve for the anti gel. I did not cover the radiator. I do have the rapid heat option on mine, that 1500watt elements doesn't over come the cold soak very fast, but it does work on the frosted windshield.
2015 F350 CC SRW LWB Lariat, Leveled, BAKflip, Ultra Predator wheels with Toyo A/T 295/65R20, Firestone Airbags and onboard compressor
2011 F350 CC SRW LWB Lariat - Gone
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