Which oil lab JG or Blackstone?
Well this year as I was getting ready to do my annual oil change. ( I always do my oil sample and get the results back before draining my oil.) I was looking at a forum that was championing Blacksto...
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I would also get my coolent cheacked if I had to use SCAs. Much mor accurat than the test strips and allso showes any contaminats.
Bill
Bill
