Diesel Bombers - can you mix heavy duty oil with regular?

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- - can you mix heavy duty oil with regular? (https://www.dieselbombers.com/chevy-gmc-6-2l-6-5l/112648-can-you-mix-heavy-duty-oil-regular.html)

6.5bigredmonster

05-31-2013 04:51 PM

can you mix heavy duty oil with regular?

i am running heavy duty oil in the truck now just wondering if i can mix the two, or will it cause harm? thanks

Mase	06-01-2013 02:57 PM

I have mixed 15/40 and 10/40 and never had any issues.

Bigg Redd

06-01-2013 06:49 PM

Dont worry about it bro. It'll be fine. :c:

racer55

06-02-2013 10:56 AM

Just don't mix gasoline only oil with diesel rated oil,there is a lot of info here but suffice to say any oil you put in a diesel must have a C- in the API circle,if there are only S designations it is gasoline only:
Motor oil - Wikipedia, the free encyclopedia

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