1st oil sample John Deere 15/40 CI4+
#17
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Join Date: Mar 2007
Location: Central Texas
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But why does it make a difference what oil(cj or ci4) with what fuel (LSD,ULSD)you use, they are in separate tanks,how does the use of one to the other effect each other??
#18
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Anyway.... CJ oil is to be used in conjunction with ULSD because the new trucks designed for newer EPA standards have diesel particulate filters located in their exhausts. The older CI oils' additives would cause problems with these filters. And even though fuel and oil are in separate tanks, they co-mingle during combustion somewhat.
Make sense?
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