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  1. P

    BEWARE BY-PASS filters ! !

    low oil pressure ?? read Bobistheoilguy filter study and the remarks about the dual bypass filter
  2. P

    Particle count

    Before I installed an OilGuard bypass filter on a 2005 Camry 2.4L, I did a particle count so I can compare the before and after bypass. Total of 4,800 miles on the car. The first oil change was at 1,200 miles. The results from 3600 miles on Castrol GTX 5W/30 with a Bosch Premium oil filter...
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