2002 Expedition with 4.6 uses about 1.5 to 2 quarts of 5w20 Havoline every 5000 miles, so I started using 5w30 Havoline. Consumption is now about 1 quart per 5000 miles.
Are there any 5w20 oils that would reduce consumption to the 5w30 level?
Are there any 5w20 oils that would reduce consumption to the 5w30 level?