RE: Glow plugs?
Cummins doesn't use glow plugs... that's a Ford thing. The Cummins has help starting with the use a heater grind the warms the air going into the engine through the intake. It's a much better and efficient way of getting it started.
btw... your screen name is a little incorrect. The Cummins isn't a V8, it's a inline 6 cylinder [sm=gears.gif]