I have noticed in the Walmart aisle...
Quaker State Ultimate Protection
Castrol Edge Extended Performance
Valvoline Extended Protection
Mobil 1 Extended Performance
What is going on? I dont see an answer from SuperTech, Motorcraft or Pennzoil yet to these dreadknought oils.
Quaker State Ultimate Protection
Castrol Edge Extended Performance
Valvoline Extended Protection
Mobil 1 Extended Performance
What is going on? I dont see an answer from SuperTech, Motorcraft or Pennzoil yet to these dreadknought oils.
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