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oil analysis

  1. 7.3L Power Stroke Technical Info
    Hi everyone. I have a 1997 F250 with a 7.3 Powerstroke with 172,000 miles that runs perfect with regular 5K oil changes using 5W40 T6 Rotella and excellent maintenance. I was curious about what was going on inside the motor so I took a sample and sent it off to Blackstone Labs. The report...