amslube wrote:
I don't see any benefit to a "High Performance DPF". maybe a little less backpressure will help MPG slightly but the DPF still needs fuel to burn the accumulated soot. On the newer diesel pickups, that fuel is injected into the engine cylinders on the exhaust stroke. One very serious downside to this (other than a reduction of about 3-4mpg) is excess fuel is washed down the cylinder walls and ends up in the oil. 4-6% fuel dilution is common between oil changes.
this is why we change our 2008 ford powerjokes oil every 200 hours faithfully. so how is that better for the environment? out of all our trucks with dpfs on them the highest mpg is 5.4 mpg. that is so sickening. my boss spends over 2700 dollars a week just for these trucks to fill up, there is only 9 trucks. my 2002 dodge cummins with 4.10 gears gets no less than 18 mpg and thats short distance around town driving and thats not on the drivers display thats calculated mileage the old fashion way, i drive 8 miles to work and 8 miles back.
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