My Blackstone results

From: Jon Steiger (stei0302@cs.fredonia.edu)
Date: Wed Jan 20 1999 - 20:42:57 EST


Here are the results I got from Blackstone labs. I used Mobil 10W30 up
until about 10,000 miles then switched to Mobil 1 10W30 (full synthetic).
I change my oil and filter every 3,000 miles. The engine is a 1996 318ci
(5.2L) with about 57,000 miles. I've used a 14x3" open element K&N filter
for the last 10 to 20 thousand miles. This is the first time I've had my
oil tested.
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COMMENTS:

JON: Universal averages are based on all engines of this type we have
analyzed oil from. Comparing metals to those found in your sample,
you can see how well your 318 is doing, after 3,000 miles use of the
oil. The only fault found in the sample, and it is a minor one, is
1.0% of the sample was gas. If this is 5W30 oil it was not enough to
lighten the viscosity. In-town driving may be the cause.
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ELEMENTS IN PARTS PER MILLION

ELEMENT ME UNIVERSAL AVERAGES
Aluminum 3 8
Chromium 4 4
Iron 26 80
Copper 3 14
Lead 6 27
Tin 2 3

Molybdenum 22 24
Nickel 0 1
Manganese 0 2
Silver 0 0
Titanium 0 0
Vanadium 0 0

Boron 72 16
Silicon 9 20
Sodium 4 93

Calcium 1649 1221
Magnesium 662 527
Phosphorus 819 960
Zinc 978 1100
Barium 0 0
----------------------------------------------------------------------
PROPERTIES

TEST Values Should be Values were
Sus viscosity @210F 59-68 58.5
Flashpoint in F >385 345
Fuel % <1.0 1.0
Antifreeze % 0 0
Water % <.05 0
Insolubles % <.6 .4
----------------------------------------------------------------------

                                               -Jon-

  .--- stei0302@cs.fredonia.edu ------------------------------------.
  | Affiliations: DoD, EAA, MP Race Team, NMA, SPA, USUA. RP-SEL |
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