A new report from PQIA on four 10W-30s and a straight 30 ( which got an Advisory due to label issues). The Royal Purple SL is quite interesting.
Petroleum Quality Institute of America
BTW, check out the new SEARCH Test Result Database which allows you to compare oils of your choice.
Tom NJ
Petroleum Quality Institute of America
BTW, check out the new SEARCH Test Result Database which allows you to compare oils of your choice.
Tom NJ