Blend ok?

Messages
15
Location
ma
My buddy picked up some t5 10w40 at tractor supply on close out because they are changing to the 15w40. He only got 2 gal. Can he mix it with t5 10w30? 9qt. 10w30 and 4qt. 10w40 for his diesel truck? Or use it for chainsaw oil it was 9.99 a gallon.
 
Messages
2,500
Location
Dallas, Texas
He can mix it just fine. No problem. It's All Rotella T5 correct? If so, that's even better. I know more than one person who runs 15w40 in their diesel in the summer and 5w30 in the winter around here.
 
Messages
9,808
Location
New Jersey
im pretty sure its ok to mix most oils i dont know if all api certified oils have to be able to mix with each other but almost everyone just adds oil anyway...lol
 
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