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Old 08-13-2003, 09:59 AM   #1
Scooby Guru
Member#: 767
Join Date: Jan 2000
Chapter/Region: Tri-State
Location: N.J.
04 FXT

Default Oil analysis on WRX /M1 10W30

Equipment make: Subaru
Equipment model: 2.0L Turbo
Oil use interval: 5,427
Oil type & Grade: Mobil 1 10W30 SS
Make-up oil added: 0
Miles on unit: 13,375
Air filter: Amsoil
Oil filter: OEM (Purolator)

Mine / [Avg. at 4K]:
Aluminum 4 [5]
Chromium 1 [1]
Iron 12 [10]
Copper 16 [6]
Lead 3 [3]
Tin 2 [0]
Molybdenum 76 [50]
Nickel 0 [0]
Maganese 1 [1]
Silver 0 [0]
Titanium 0 [0]
Potassium 0 [2]
Boron 136 [102]
Silicon 14 [9]
Sodium 9 [26]
Calcium 3015 [2290]
Magnesium 13 [292]
Phosphorous 784 [783]
Zinc [956] 913
Barium 0 [0]

SUS Viscosity @ 210F: 59.1 (Should be 58-64)
Flashpoint: 415F (>370)
Fuel %: .5 (<1.0)
Antifreeze: 0 (0)
Water: 0 (0)
Insolubules: .5 (<.5)

Dennis: ..Copper and Silicon both read high in this sample, though neither are high enough to worry about. ..silicon may show some dirt getting past the air filter, and this could be causing some of the copper Ö
TBN 3.3, so the oil still has some life left.
After the report, I cleaned the air filter at 11 months/15,000 miles and it was filthy. Even found a cigarette butt in the airbox.

Weekday driving is 5 miles to the bus stop. Weekend driving varies from errands, driving to the beach in the summer, and fun drives in the hills and twisties. April trip to Myrtle Beach and June trip to Cape Cod (with loaded down cargo box). No track time.

TBN was only out of curiosity. Donít plan on extended drain intervals.

Also posted on Bobistheoilguy.com

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Old 08-13-2003, 10:04 AM   #2
Scooby Guru
Member#: 767
Join Date: Jan 2000
Chapter/Region: Tri-State
Location: N.J.
04 FXT


Doh! Wrong forum. Mods please move to Service & Maint.

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