Different combinations of detergents were compared in LSPI testing, new and for used oil over the duration of the OCI. They found the Ca + Mg to be the best. High moly negates it initially, but over time it goes up a bit. Results are on page 36.
How common is LSPI? I don't know of anyone personally that has had this issue.
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How common is LSPI? I don't know of anyone personally that has had this issue.
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