Quote:
Originally Posted by Diesel Head
Oh yea....this will probably piss a few people off but who cares!! As far as oil and filters go buy whatever is on sale at walmart or local parts house. As long as it is 15-40 and diesel rated IT DOES NOT MATTER NO MATTER WHO TELLS YOU DIFFERENTLY. Oil is oil is oil is oil, prove there is one superior to another and you will be a VERY wealthy man. I say show me one person who has had a failure due to "inferior" oil and can prove it was the oil.
Thats my rant and 2 cents worth............let the remarks begin. 
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There's quite a bit of evidence that certain oils will allow you to run them longer and the resulting wear metals will be less than other oils.
If you are a person who changes oil at 3K religiously, I'd agree that any diesel rated oil will do just fine for you.
You'll never have a "failure" due to "inferior" oil. The only possible outcome is increased wear..........a very difficult task to prove.
BTW, what "inferior" diesel rated oil do you use?