Probably run it out to 45k this time.
Html:
OIL AMSOIL MTF
MILES IN USE 30,000
MILES ON UNIT 163,600
SAMPLE TAKEN 4/20/10
IRON 16
ALUMINUM 4
CHROMIUM 0
COPPER 7
LEAD 1
TIN 0
NICKEL 0
SILVER 0
MANGANESE 1
TITANIUM 0
MOLYBDENUM 0
BORON 2
POTASSIUM 0
SILICON 11
SODIUM 2
CALCIUM 80
MAGNESIUM 4076
PHOSPHORUS 1254
ZINC 911
BARIUM 0
WATER 0
Soot 0
Fuel 0
cSt @ 212ºF 7.7
TBN Not tested
TAN 2.15
Html:
OIL AMSOIL MTF
MILES IN USE 30,000
MILES ON UNIT 163,600
SAMPLE TAKEN 4/20/10
IRON 16
ALUMINUM 4
CHROMIUM 0
COPPER 7
LEAD 1
TIN 0
NICKEL 0
SILVER 0
MANGANESE 1
TITANIUM 0
MOLYBDENUM 0
BORON 2
POTASSIUM 0
SILICON 11
SODIUM 2
CALCIUM 80
MAGNESIUM 4076
PHOSPHORUS 1254
ZINC 911
BARIUM 0
WATER 0
Soot 0
Fuel 0
cSt @ 212ºF 7.7
TBN Not tested
TAN 2.15