Help: Used motor oil

roughneckreed

New member
Feb 21, 2012
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Can you do anything to used motor oil so it will burn in a duramax?

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super diesel

<<<< Under Pressure
Yes. Pour it in the tank. I do it all the time (8 years). I use 1 gal to every tank full (34gal). I put it through my aux tank first though and it's pumped through a filter (CAT 2mic) before it goes into my tank. It lubes the cp3 and injectors. There little motors too. Don't use synthetics though. They will burn , but you get a lot of white smoke too.
 

Josh2002cc

That Uncle
Apr 2, 2007
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Yes. Pour it in the tank. I do it all the time (8 years). I use 1 gal to every tank full (34gal). I put it through my aux tank first though and it's pumped through a filter (CAT 2mic) before it goes into my tank. It lubes the cp3 and injectors. There little motors too. Don't use synthetics though. They will burn , but you get a lot of white smoke too.

Same here. I use to filter it right after the service techs would remove it from the Bobcats, nice and warm.
 

That1028guy

New member
Feb 23, 2013
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St.Louis Mo
I run half and half per tank in my army truck (86 chevy M1028) Transmittion fluid works better IMHO, But only during the summer. She doesn't like to start when its super cold with WMO/Trans fluid in the tank. Good to know I can do the same with the Dmax!!!
 

blk smoke lb7

<-----Lots of green $
Nov 8, 2010
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belvidere,ill
I run half and half per tank in my army truck (86 chevy M1028) Transmittion fluid works better IMHO, But only during the summer. She doesn't like to start when its super cold with WMO/Trans fluid in the tank. Good to know I can do the same with the Dmax!!!
Just make sure you filter it really well before you put it in the tank.
 

That1028guy

New member
Feb 23, 2013
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St.Louis Mo
Oh for sure!!! I run a 2 micron final and a 5 micron pre filter on the beast. and all the trans fluid i run comes from trans flush machines. Which have there own filters, and run through the cars filter as well. You can never be to careful though!!!