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First Blackstone results.

861 Views 3 Replies 3 Participants Last post by  hymark800
Got the results to my first Blackstone test. How do I lower the TBN?
It is 9.8 (TBN). Everything else was good. Blackstone said it was the nicest wearing Powerstroke they've seen in a month. I'd attach the copy, but I don't know how.

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I think you may be mis-understanding something. Why do you want to lower the TBN?
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