Quote:
Originally Posted by deadtrend1
true, keep a log of the mileage and date of you're last change. 3 months/3,000 miles.
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Bah. Using quality sythn I run the DDs 6000-7500 miles between changes. Right along the manufacturer's LOF recommendations for normal conditions in the manual, which is for regular oil. My truck & the Z get an oil change in the spring.