Join Date: Jul 2005
Location: Cody, WY
Feedback Score: 0 reviews
Oh, come on guys! Plugging in at 30F?
My truck has cold-soaked at -25F for 8-10 hours and starting was no problem. I'm using Mobil 1 for Turbo Diesel Trucks or Mobil Delvac 1 (both 5w-40) synthetic oil. One night,a 2006 F250 was parked next to mine for the same 8 hours at -25F. Both trucks were started within 30 seconds of each other. The other driver got out of his truck and asked me why my truck was running MUCH smoother than his (I couldn't believe how his bucked, rocked and sounded like it was in its death throws). He was running coventional 10w-30. Believe it or not, some guys up here in Cody run conventional 15w-40 all year.
Do yourselves a favor and use a 5w-40 synthetic. it's easier and cheaper than a 1000W heater. (By the way, 5w-40 has been back spec'd by Ford for all Powerstrokes and you can now buy Motorcraft 5w-40 diesel synthetic oil.)
Also, I've found idling to warm up is not practical. The 6.0 won't warm up or stay warm at idle unless you use the SEIC or BCP up idle circuits. Idling in your drivway is a waste of fuel and time.
With 5w-40 oil, I've started my truck at -30F, let it run for 30 seconds and driven off slowly. It warms up quicker and the transmission and rest of the drivetrain all warm up together.
Maybe your batteries are shot and you need the heater to get that dino molasses churning. Check your batteries and use a Deltran Battery Tender. My truck is always plugged in to my Battery Tender every minute it's at home. My batteries are original - 4 1/2 years old at test as new.
2005 F250 4X4 SD R/C Power Stroke / Torqshift
Oxford White, Medium Flint 40/20/40 Vinyl, Prefered Equip. Pkg. 600A , 3.73, Limited Slip, XL Decor Pkg., Jeweled Headlamps, Chrome Rear Step Bumper, 9600# GVWR Pkg., Engine Block Heater, Sliding Rear Window, Speed Control / Tilt Wheel, Camper Pkg., FX4 Pkg., Air Conditioning, Forged Aluminum Wheels-17", Tow Command, Telescoping TT Mirrors. Using this vehicle to produce an ambulance voids Ford warranty. Added: Ford factory upfitter switches, Go Industries Rancher Grill Guard (hammered powdercoat), Hella 4000 Rallye lighting (two Euro Beams), SnugTop Super Sport camper shell, Jotto Desk & Escort Redline Radar/Lidar Detector.
Last edited by STG; 12-16-2009 at 04:12 AM.