Castrol Edge 0W-40 (black bottle)
12000 kms / 7500 miles
~8 Months (Feb to September)
2008 Volvo XC70 3.2 B6324S
277000km/172000miles at time of sample
Typical family use - some ~4 hour highway trips, lots of in-town grocery-getting.
Fram oil filter but will be using OEM/Mann filters in future.
Old air filter (changed to OEM at time of oil change for future).
No engine work.
Located in Moncton NB Canada. We had an easy winter though - not very cold and hardly any snow at all. Still pretty often -20C in the winter and 30C+ in the summer (-4F to 90F)
Comments:
We'd hold off on stretching the oil change interval for now - there's a lot of iron in this oil. We
compared your data to averages we have for this type engine, which are shown on the far right at an oil use
of about 11,000 km, and steel wear (iron) is running about 4 times the normal rate. Steel is typically from
rotating shafts, cylinder liners, and valvetrain parts. Other metals were fine, so we're hesitant to call this a
problem now. The titanium is just additive in the Castrol, and the small amount of fuel is harmless. TBN was
fine, but drop back to 10,000 km and check back.
12000 kms / 7500 miles
~8 Months (Feb to September)
2008 Volvo XC70 3.2 B6324S
277000km/172000miles at time of sample
Typical family use - some ~4 hour highway trips, lots of in-town grocery-getting.
Fram oil filter but will be using OEM/Mann filters in future.
Old air filter (changed to OEM at time of oil change for future).
No engine work.
Located in Moncton NB Canada. We had an easy winter though - not very cold and hardly any snow at all. Still pretty often -20C in the winter and 30C+ in the summer (-4F to 90F)
Comments:
We'd hold off on stretching the oil change interval for now - there's a lot of iron in this oil. We
compared your data to averages we have for this type engine, which are shown on the far right at an oil use
of about 11,000 km, and steel wear (iron) is running about 4 times the normal rate. Steel is typically from
rotating shafts, cylinder liners, and valvetrain parts. Other metals were fine, so we're hesitant to call this a
problem now. The titanium is just additive in the Castrol, and the small amount of fuel is harmless. TBN was
fine, but drop back to 10,000 km and check back.