Boron & Calcium question.

Joined
Dec 8, 2006
Messages
13
Location
Worden, Illinois
I have a 2003 GMC Sierra w/5.3L V-8,running Amsoil ASL. I sent an oil sample to Blackstone, all the numbers are below universal averages except Boron 187 & Calcium 3077. Blackstone said all looked good. Oil was changed at 5095 miles. What do these numbers mean? TIA
 
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