Quote:
Originally Posted by UFO
It's obvious again how much heat is put into the coolant with the EGR cooler. At 30F, my coolant rose to 205F on my morning drive. With the EGR deleted at this ambient temperature, I usually did not see the coolant rise over the thermostat setting of 190F.
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This is precisely why I have kept mine operational. There is a Malone tune that retains the EGR until the engine is up to temp. I will follow your results with interest.
I was surprised to read that you feel you get better mpg on Bio-D than on regular ULSD. I just assumed I would lose mpg like you do using E-85 in a gasser.