Quote:
Originally Posted by tigermack
New report.
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Aluminum up slightly, iron about the same, copper unchanged, lead down slightly = not too bad overall. Consistency is what we want, like Blackstone said. Viscosity still in grade, flashpoint okay, and no contaminants.
The TBN and TAN are equal which isn't really ideal, but I agree you should try a slightly longer interval and see if that causes TAN > TBN. Do you do a lot of short trips? What's your driving style?
I would consider this a good report and the start of a reassuring trend. The next report should be very telling.