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Wiesehan · 09-09-2012, 02:22 PM

I read an article in TDR about some testing that they had done on several oils (blind test) and with the additives that are put in and what the oil manfuctures must do to get the API ratings needed in todays oils, there isn't much difference between any of the oils regardless of brand name or price. This doesn't include synthetic oil of course and they were not tested in this test. In my 5.9 Dodge I ran Amsoil and was at 25000 miles when I traded truck and oil sample was still coming back good. Can't do that in 6.7, so I'm back to petroleum based.
Don

09-09-2012, 02:22 PM	#23
Wiesehan Montana Fan Join Date: Sep 2009 Location: Claypool Posts: 279 M.O.C. #9711	I read an article in TDR about some testing that they had done on several oils (blind test) and with the additives that are put in and what the oil manfuctures must do to get the API ratings needed in todays oils, there isn't much difference between any of the oils regardless of brand name or price. This doesn't include synthetic oil of course and they were not tested in this test. In my 5.9 Dodge I ran Amsoil and was at 25000 miles when I traded truck and oil sample was still coming back good. Can't do that in 6.7, so I'm back to petroleum based. Don __________________ SOB Curt 25 K 5th wheel hitch 2012 Ram 3500 DRW Laramie Long Horn RDS 60 gallon fuel tank, air lift air bags Wheel to wheel SS side bars