Quote:
Originally Posted by BabyDiesel
Diesel engines usually have their max BSFC at a low rpm. I would lean towards keeping it in high gear and finessing the throttle. Of course, the only truthful answer will come through real world testing.
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One of the keys to get some nice mileage figures in a Diesel is how quick they get into their optimum temperature, and to keep it constant. Some commercial drivers in my country use to go a little harder on the throttle for a while right after the start just to increase the temperature. I'd rather use a grid heater or some sort of heat exchanger to recover some ehaust heat.