On my 93 7.3 dually auto I have a twin tank system. I have 2 electric fuel pumps and a 3 way manual switch on the floor to send the right fuel to the right tanks. I have a centrifuge and I heat my oil to 160 and then run the wvo thru the centrifuge. I prefilter the oil thru socks before it goes into the centrifuge drum. One tank is a 50/50 blend of vwo/diesel. I am in SO FL and the temp does not go to below 45 degrees at any time. If I am going to run the truck in the cold (to me 45 is cold) I will just use diesel. I make a 500 mile trip with the truck over 4days. My oil comes right from the fryer into cubes. I have used this oil for 7 years and I tip the people who control how the oil is transfered. I also have used the same oil in our 300 mercedes with a 20% diesel to 80% wvo for the 7 year period. I have a little over 120,000 miles on wvo so I am comfortable with my oil. I have started up on this blend for 2 years now and have never used straight wvo in the truck. 2 weeks ago as I drove to the store with the truck I got about 1 mile from th3e house and the IP busted. In opening up the pump at the diesel pump repair place they found water and rust in the pump. How do I prevent this from happening again. What type of additive should I be adding to my tank? Should I add a water separator to the diesel side or should both tanks empty into the separator before the injector pump. I only got 10,000 miles on this pump. Any help would be appreciated.
Your stock tank should be Poly and should never get anything but diesel in it. Is you 2nd tank steel or aluminum? You should only use a SS or aluminum tank with WVO. Is your secondary tank heated? if not, that is another problem. Pulling the thick oil casues extreme wear on the pumps
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