There sayin this is the coldest weather in two years, 8 degree's here this am, not too bad, just wondering, what's the coldest you've ever started without being plugged in? I've done 1 or 2 degrees a couple years ago, but it sounded like the engine was coming to an end.
I have started mine on glow plugs alone at a -40 here in Colorado. I will quite often start it in the minus temperatures after letting it sit for a couple of weeks and actually tomorrow morning I'll fire it up after letting it sit for 3 weeks and we will be below 0 when I do it.
96 F250 PS XLT 4X4 long box, 5sp,4.10, manual hubs,pyro+boost guages, Dark Toumaline, add a leaf, Dale's TYMAR, and HX hose, downpipe, coolant filter, Luk clutch
yea, -40 is pretty cold, i was readin about batteries, somewhere i read that a 100% charged battery will freeze around -77 and a 75% charged battery will freeze at -35 At 50%, 10F. At 25%, 5F. At 0% (totally discharged), 20F.
not sure how true tho. at any rate, i'd be happy with starting at -5 or 10 around here..
Guess I baby mine too much. lol. I plug it in any time its going under 30 deg. I have it on a timer so it turns on an hour before I leave in the morning. I'd rather spend a few cents on electricity than wear out a $250 starter motor. I did forget to plug it in one night, temp at 20 degs and it started on second preheat. Once started int he morning it can sit all day and start right up without any preheat 10 hours later. Guess the truck is like its owner, likes a little help getting going in the morning but then good for the rest of the day. lol.
1995 Ford F-350 crewcab PSD running on B100
for me it depends how long it sits. typically i can let it sit 12 hrs in single digit temps and get it started. 24 hours in the same kind of temps and i start having issues. if its under 20* i will typically leave it plugged in if its going to sit for 12 or more hours
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