Miles on car- 481,096
Miles on oil-7,747
Amsoil AZO 0W-30 oil
Amsoil Eao36 oil filter
Twin Filtermag CT3.2 oil filter magnet arrays
Golden Eagle magnetic oil drain plug
5 ozs Liquimoly
Blackstone Labs; This 4-cylinder looks great as you approach 500,000 miles. Aluminum
went up after a shorter run, but that's okay. 6 ppm is a perfectly normal amount of
piston/bearing wear for a D15B7, and we'd wager a little more stop/go traffic or short trips
caused the increase. The other metals are nice and low next to the averages, so it doesn't look
like any mechanical problems are looming. The TBN read 4.0, slightly stronger than last time. The
particle count is 19/17/15, fairly close to other samples youv'e sent in. Nice report.
Code:
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Aluminum-----------6 ppm------------------------------4 universal average based on a 3,500 mile OCI
Chromium-----------0----------------------------------1
Iron---------------11---------------------------------9
Copper-------------2----------------------------------3
Lead---------------0----------------------------------2
Tin----------------0----------------------------------1
Molybdenum---------316--------------------------------85
Nickel-------------0----------------------------------0
Titanium-----------0----------------------------------0
Manganese----------0----------------------------------0
Silver-------------0----------------------------------0
Potassium----------9----------------------------------4
Boron--------------49---------------------------------49
Silicon------------19---------------------------------11
Calcium------------3411-------------------------------2151
Magnesium----------21---------------------------------142
Phosphorus---------718--------------------------------712
Zinc---------------790--------------------------------833
Barium-------------0----------------------------------0
Code:
SUS Viscosity @ 210 F-----62.6------------------57-67 (should be)
cSt Viscosity @ 100 C-----10.94-----------------9.4-12.4
Flashpoint in F-----------390------------------->385
Fuel%--------------------- Antifreeze%---------------0---------------------0
Water%--------------------0--------------------- Insolubles%---------------0.3------------------- TBN-----------------------4.0------------------->1.0
Particle counts for ISO Code 19/17/15;
>=4 Microns--------------2979
>=6----------------------1103
>=14---------------------305
>=21---------------------118
>=38---------------------28
>=70---------------------2
The next oil change should be interesting, I just used the new formula AZO-2 OW-30 (ILSAC GF6, Dexos 1, Gen 2, API SP).
I also switched the Golden Eagle magnetic oil drain plug for the much stronger Dimple plug.
Stay tuned...