Two oil changes to report:
1. Subaru, 2008 Outback Wagon, 2.5 H-4, 59,500 miles
Out: Valvolene DuraBlend semi synthetic 5W30 w/ blue Subaru oil filter.
In: same.
Miles on oil: 6411 and 2.5 months,
Oil used during run: .8 quarts
Conditions: Approx. 3,500 miles at 3200 RPM, 80 mph, rest a mix of rural/highway driving of 55-70 mph.
2, Ford, 1989 F-150, 302 V-8, 108,000 miles
Out: Valvoline MaxLife semi synthetic 10W30 w/ Motorcraft FL-1-A Oil filter.
In: same
Miles on oil: 1750 and 12 months (timed out)
Oil used during run: .5 quarts
Conditions: Mix of rural/highway, no cold shut offs.