George C
Well-Known Member
I have been running Royal Purple for my last few oil changes. In between my last oil change and this one I had a lot going on and the Trac we kind of neglected. I ended up putting 7,000 miles on between changes. I sent the oil to Blackstone Laboratories for an analysis and was happily surprised by the results. Yes it is expensive but if anyone doubts the benefits of Royal Purple take a look at the test results.
George
George
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