Quote:
Originally Posted by chops
ahh interesting. reason i asked is because of this actually...my last few blackstone UOA's said to up the intervals to 5k. but if im going to be basically only changing 85% of the old oil out to put in new oil, i should think about bringing it down?
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Whatever makes you feel comfortable.
The most I've gone before an oil change with this Z is 4500 miles. The oil was still good and could have done 5000+ miles according to blackstone.