Check all your containers of fresh oil and especially the cans used to fill the oil in the equipment. You may have a dirty barrel or dirty filler cans. Do you use a valve to tap the barrel? Does the filler can have lead soldered seams?
2004 Saab 9-5 ARC (New project)
2007 Dodge Ram FFV 8 years Amsoil AZO 0w-30 and bypass
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