Just serviced the signature vehicles and completed oil filter autopsy... The P1 off the Suburban looked good. Wasted a MLNG oci of 3,000 due to fear of P1 failure. (edit-mod) However, the Purolator Classic that came off the Kia was a TRAIN WRECK. Torn media both top and bottom of pleats on either side of the seam -- with only 3,000 miles the oci. Now I'm done w/all Puros. I hope the SOPUS filters I put on will be better (aren't they Puros though ?)
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