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Old 11-30-2012, 04:45 PM   #1
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Join Date: Sep 2012
Location: Kansas
Posts: 68
1st Oil Analysis- 97 boxster- 26K miles

Just got the results back on my first oil analysis for the Boxster from Lube watch Maintenance Management System (Chevron) - Only concern noted was the lower than normal viscosity. Any expert opinion(s) on the data below? Should I try a different oil? (I know there are some opinions on that!)

M1 0W-40

3000 miles on the oil (Mixed driving, 1000 mile road trip) - 26k on the car, super clean oil filter.

Metals (ppm)
Iron (Fe) 11
Chromium (Cr) <1
Lead (Pb) <1
Copper (Cu) 1
Tin (Sn) 1
Aluminium (Al) 2
Nickel (Ni) <1
Silver (Ag) <1
Titanium (Ti) <1
Vanadium (V) <1
Contaminants (ppm)
Silicon (Si) 4
Sodium (Na) 4
Potassium (K) <5
Water (%) <0.05
Coolant No
Additives (ppm)
Magnesium (Mg) 239
Calcium (Ca) 2549
Barium (Ba) <1
Phosphorus (P) 892
Zinc (Zn) 966
Molybdenum (Mo) 85
Boron (B) 162
Physical Tests
Viscosity (cSt 100C) 11.8
SAE Rating Determination 40
Physical / Chemical
Base Number (mgKOH/g) 5.7

All wear levels appear within acceptable limits for first
sample. Silicon level (dirt/sealant material) satisfactory.
Water content acceptable. Fuel dilution satisfactory.
Viscosity slightly lower than typical.
Action: Resample at next recommended interval to
monitor and establish wear trend.

1997 Boxster- 28k, de-snorked, de-baffled, RSS UD, Dansk "hotdog" sport exhaust.
1985 BMW 635CSI- 30k, 5-speed, LSD
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