| First oil change on rebuild analysis results [message #149649] |
Mon, 14 November 2011 16:50  |
Keith V
Messages: 2337
Registered: March 2008
Location: Mounds View,MN
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here's the original thread;
http://gmc.mybirdfeeder.net/GMCforum/index.php?t=msg&goto=148792&rid=1431&srch=thin+oil#msg_148792
Got the Blackstone report today
here's what they said;
KEITH: It's not unusual to see high wear from a rebuilt engine. Universal averages show typical wear levels
for this type of engine after about 2,600 miles on the oil. We are a little concerned about potassium and
sodium. Potassium could be from the rebuild process and sodium could be harmless oil additive, but the two
can also show coolant. Lead, from the bearings, seems high, even for a new engine, and that's where
coolant tends to attack first. If you're not losing coolant, it's just something to monitor at this point. Check
back in 500 miles to monitor.
ALUMINUM 7
CHROMIUM 5
IRON 73
COPPER 45
LEAD 85
TIN 10
MOLYBDENUM 18
NICKEL 2
MANGANESE 5
SILVER 0
TITANIUM 0
POTASSIUM 18
BORON 5
SILICON 48
SODIUM 400
CALCIUM 1847
MAGNESIUM 11
PHOSPHORUS 788
ZINC 834
What do you guys think?
time to saddle up?
Keith Vasilakes
Mounds View. MN
75 ex Royale GMC
ask me about MicroLevel
Cell, 763-732-3419
My427v8@hotmail.com
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