Below is the latest UOA along with the previous 2.

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Oil Brand: Amsoil 5W-30 HDD
Oil Filter: Fleetguard Stratapore
Sample Miles: 7695---6564---6972
Vehicle Miles: 34291---26396---20032
Sample Period: 10/02/08 to 10/05/09
Make Up oil: None, None, None,
Oill Filter Used: Fleetguard Stratapore

IRON: 77 37 41
CHROMIUM: 2 2 1
LEAD: 5 6 6
COPPER: 6 7 7
TIN: 0 0 0
ALUMINUM: 2 3 6
NICKEL: 0 0 0
SILVER: 1 2 2
SILICON: 5 6 10
BORON: 2 2 4
SODIUM: 2 6 0
MAGNESIUM: 8 14 29
CALCIUM: 3558 3620 4009
BARIUM: 0 0 0
PHOSPHORUS: 1173 1236 1328
ZINC: 1334 1238 1533
MOLYBDENUM: 0 1 3
TITANIUM: 0 0 0
VANADIUM: 0 0 0
POTASSIUM: 16 0 0
FUEL (%VOL): 0.5 0.9 0.5
VIS @ 40C, cSt: NA NA NA
VIC @ 100C, cSt: 11.2 11.37 11.19
WATER: <.1 <.1 <.1
SOOT: 1.0 0.7 0.5
TBN: 9.24 10.39 10.03
OXID: 36 5.0 4.0
NITR: 15 8.0 6.0