Here are the results of Delo 15W-40 in a 2000 4Runner. Total Km to date are 162,000 (about 100,000 miles). 7050 km on oil.
Iron 8
chron 1
lead 1
copper 1
tin 0
aluminum 3
nickel 0
Silver 0
Silicon 2
Sodium 12 (too much engine washing)
Mag 10
Calcium 3300
Barium 0
Phos 1054
Zinc 1470
Moly 0
titan 0
Van 0
Potasium 0
fuel visc 13.89
water 0
solids 0.1
glycol neg
tbn 14
Iron 8
chron 1
lead 1
copper 1
tin 0
aluminum 3
nickel 0
Silver 0
Silicon 2
Sodium 12 (too much engine washing)
Mag 10
Calcium 3300
Barium 0
Phos 1054
Zinc 1470
Moly 0
titan 0
Van 0
Potasium 0
fuel visc 13.89
water 0
solids 0.1
glycol neg
tbn 14