We searched the web for other people with oil analysis results from LS1-powered vehicles and gathered their copper data in this table to the right. Now we were really alarmed at this situation, so we started to do some research. The copper may be coming from a poorly wearing bronze or brass part."
The copper level is causing the wear to be too abrasive for further use. Finally, the third analysis included, "If you're not, it's time to change out this oil. We sent an e-mail asking for a clarification on this evaluation, but never got a response. This copper level is either from an additive or a poorly wearing bronze or brass part." Of course, we're not using an additive, so we started to grow concerned. Since the oil itself has no copper additive, it's all coming from the engine somewhere.īlackstone Labs has been increasingly concerned with the levels of our copper the first report, they noted "Copper tends to read high in new GM engines until quite a few miles have been accumulated - we've seen it linger past 30,000 miles." So we started out fairly relaxed about the situation this changed with the second report, which read "We don't think copper should have increased as much as it has. If one thing has been abundantly clear in our oil life study, it's that our engine is chewing through copper at an unusually high pace. We recommend Internet Explorer set to 1024x768.
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