Used motor oil

Flagship

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When I change the oil in my F-150, I have 6 quarts of Mobil-1 with, oh, maybe 1000 miles on it. (90 days). Is it OK to dump this into the fuel tank of My 89 IDI?

How about the Mobil Delvac from it's own engine?

Or, am I look to clog the, rather expensive, fuel filter?
 

marblecrusher

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most people on here run it through a homemade filtering system before just dumping it into to the tank but thats strictly up to you.

-Jordan-
 
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