Originally Posted by
Moose
Geoff, are you turning the key to the correct glow plug position? I was getting this wrong when I got my 110. First click is the run/accessory position. Turn a bit farther to operate the glow plugs ("), then turn the rest of the way for the starter. With those kind of temps you shouldn't have to glow the 2.5 NA for very long, if at all. I would do mine for 20 - 30 seconds at 0 degree F to start last winter here in the Great White North.
The method I was told to test the plugs was to remove them, then put power to each one. If it glows bright red within about 5 seconds, it is good. Disconnect from the power soon as you see it get red. If after 10 seconds it is still not glowing red, it is history. Be very careful doing this though as the tips get VERY hot.
As Yorker said, the more CCA the better. I bought two new batteries for my truck. Just enough room under the seat for them both and it cranks like crazy, even at well below zero. You should be fine with one, but get the biggest that will fit under there.