Quote:
Originally Posted by EdwardDennis
Are you using Blackstone (...and a TBN on your gasoline truck analysis)?
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No, I have another company that does it. It's like $25 or so with a pre-paid box and what not.
The last time I had an analysis done, I had almost 35,000 miles on the same oil. The TBN was getting low so I had to change the oil. I used a Wix cartridge oil filter and changed it several times.