I'm satisfied with my switch to the redline oils. I have put 1500 miles on it and it has been great. I wouldn't say that I noticed any performance improvement or less nvh like some have stated but I have not noticed a down grade either. I will use the Redline oil on my next change as well.
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2010 Ford 6.4L Power Stroke Diesel: 588whp/1082wtrq
2007 Dodge 6.7L Cummins Diesel: 788whp/1405wtrq, runs 12's @ 7400lbs, Still miss my 370z!
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