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Discussion Starter #1
so for the last 10 k, I have been putting 15w-40 in my 96 F-250 i'm currently at 200k on the odo. but I recently noticed that she started burning oil. i'm getting ready for an oil change but my question is should i change back to like a 10w-40, or a straight 30 weight, or just keep burning 15w-40, I know diesel oil and gasser oil are different but the 15w-40 was added in their and seemed to help her run a little bit cooler, but for all I know I'm missing out on proper oil additives internally right now. and as far as the oil burning goes, well she's an older pick-up so at this point my plan is to keep adding. and thoughts suggestions would be greatly appreciated.
 

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STILL LEARNING
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Let me take a guess. The 15w-40 you are using is Rotella?
 

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STILL LEARNING
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naw man, thanks for replying, i'm a sworn all chevron products guy, so delo it is for me
Ok. Rotella in know to get eaten by engines. Try another brand oil. If anything the 15w-40 would get consumed slower than 10-30
 

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Discussion Starter #5
I totally agree in regards to the weight of the oil, the heavier weight in my mind would promote lubricity without excessive burn-off If I went down to a 10w-40, or a 10w-30 I might enhance the oil burning issue. sooo... I'll prob stick with 15w-40, I'm devout to Delo but perhaps maybe this one time I'll try some Valvo premo Blue just as an experiment see if I still burn oil.
 

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Exploding the magma
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Delo is actually an SM and SL rated motor oil so you aren't missing out on any gas additives for your 460. How much oil are you burning? I mean with 200k on the clock you got to expect some...
 
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