The car has seen a mix of Pennzoil Ultra, Pennzoil Platinum and Mobil 1 Extended Performance in the last 100K miles. Oil change interval is 7,500mi and burns about 1 quart at every oil change. Just changed the valve cover gasket and I am thinking about switching over to Valvoline Restore and Protect. Hopefully Valvoline Restore and Protect will ease the oil consumption!
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