cummins motor oil
#31
Just about everywhere. You might have to ask for it if you don't see it.
#33
I'm glad I read this, i used to think rotella was the best. Last oil change I got dello 400 le because of the stamp on the front, stating it rivaled synthetic. I have seen that mystic stuff at tractor supply and thought it was a cheap off brand oil. Ill try that stuff next time. Thanks guys.
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#34
I am sure I could run it and the film strength of a 50 weight sounds nice on the rotating assembly but might be a little thick in the rails for me. I think I will stick to a 10w-30 in the winter and 15w-40 in the summer. I don't have a heavy foot and I only tow a few times a year, the truck really gets worked during snow storms and that is about it.
#35
#36
I ran it in my Cummins, not my PSD. But my father has run it in his truck before (basically a clone of mine) and it worked well. But for the money and the colder weather performance T5 10w-30 CCV was pretty close for like 6 bucks less a gallon so I went with that. If I lived in an area that was below zero more often I would have gone for the 5w-40 but SE Mass doesn't get that cold.
#37
The 7.3 is pretty easy on oil, not like the cummins is, but have you considered running an oil that is a heavier weight at temperature?
Whether it be a 5w40 (synthetic) or a 10w40.
A 10w40 diesel oil would give you the same cold-start performance with added film strength.
I understand there are a lot of guys running 10w30 these days, especially in the 6.0L (it likes to sheer oil down to 30w) but starting with a 30w would make me a little nervous.
The oil analysis reports on Rotella 10w30 look really great, but with such a heavy rotating assembly a *w40 oil would give me peace of mind.
#38
Very true.. it does cost a premium.
The 7.3 is pretty easy on oil, not like the cummins is, but have you considered running an oil that is a heavier weight at temperature?
Whether it be a 5w40 (synthetic) or a 10w40.
A 10w40 diesel oil would give you the same cold-start performance with added film strength.
I understand there are a lot of guys running 10w30 these days, especially in the 6.0L (it likes to sheer oil down to 30w) but starting with a 30w would make me a little nervous.
The oil analysis reports on Rotella 10w30 look really great, but with such a heavy rotating assembly a *w40 oil would give me peace of mind.
The 7.3 is pretty easy on oil, not like the cummins is, but have you considered running an oil that is a heavier weight at temperature?
Whether it be a 5w40 (synthetic) or a 10w40.
A 10w40 diesel oil would give you the same cold-start performance with added film strength.
I understand there are a lot of guys running 10w30 these days, especially in the 6.0L (it likes to sheer oil down to 30w) but starting with a 30w would make me a little nervous.
The oil analysis reports on Rotella 10w30 look really great, but with such a heavy rotating assembly a *w40 oil would give me peace of mind.
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