Quote:
Originally Posted by craysus
If an engine manufacturer could deliver the most efficient engine taking into account a lot of external sources, and other pieces, forums such as this would NOT exist..
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Modern diesel engines are hyper fuel efficient, with astronomical fuel rail pressures, and a multitude of other internal improvements.
If one is getting poor fuel mileage, it is not the fault of the modern diesel engine, it is the fault of every other component on the vehicle.
Just my 2 cents, but I have been building hyper fuel efficient Class 8 trucks since 1983.