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Warning: My shop's oil analysis numbers flipped after I switched filters
Been running the same fleet of 6 Freightliners for 4 years, always used the cheap spin-on filters from the local parts house. Last fall I swapped to a Fleetguard brand on a whim for my personal truck. At the 500 hour oil change the lab report showed iron levels dropped from 42 ppm to 11 ppm, insane difference. The old filters just weren't catching the fine wear debris I guess. Anyone else seen big changes in their oil reports after switching filter brands?
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fionaa3517d ago
Respectfully, that sounds like your old filters were just doing a bad job all along.
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the_kevin17d ago
I get what you're saying about "old filters were just doing a bad job all along," but I really see it differently. A lot of older filters worked fine for years until companies started cutting corners on quality to save a buck. There's a difference between a filter that just wasn't great from day one and one that genuinely worked well but then got neglected or replaced by cheaper designs. Plenty of people had filters that lasted a long time and did their job without issues, so calling them all bad feels off to me. Maybe your experience was different, but I think the real problem is more about newer filters being made worse on purpose, not that the older ones were secretly terrible the whole time.
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