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Evo X Engine (4B11T) Discussion for engine systems that are unique to the Evo X. IF THE TOPIC IS COMMON WITH OTHER LANCERS, PLEASE POST IT IN: '08+ Lancer Common.

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Old 11-04-2018, 04:28 PM   #1
onyx1121
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Oil analysis shows high copper - source?

My last two oil analysis reports showed higher levels of copper than prior reports. Any ideas of what copper parts might be wearing that could explain the recent jump in copper shown in the report below?

The only other explanation I can think of is the liberal use of copper anti-seize when I removed and re-installed the turbo, including swapping the hard oil supply and drain lines for flexible ones. This happened sometime in late 2014, and the next oil analysis I did came back high in copper.

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Old 11-04-2018, 05:03 PM   #2
Yxd68
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If you used the copper anti-seize in 2014 that would account for the increase in Cu then. But if you have changed your engine oil since then, it's lone gone.


The major place to find Cu in current engines is bearing shells.Along with tin & aluminum.
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Old 11-04-2018, 07:16 PM   #3
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Quote:
Originally Posted by Yxd68 View Post
If you used the copper anti-seize in 2014 that would account for the increase in Cu then. But if you have changed your engine oil since then, it's lone gone.


The major place to find Cu in current engines is bearing shells.Along with tin & aluminum.
So you think within 3,000 miles the copper anti-seize would fully be out of the system?

If it is my bearing shells, is this normal or does it point to some problem I need to investigate further? And anything I can do to prevent further wear?
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A turbo: exhaust gasses go into the turbocharger and spin it, witchcraft happens and you go faster.
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