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Discussion Starter · #1 ·
I have found the TSB relating to the change of 2016 eco models from 530 to 540
Mopar is recommending AMSoil Premium 5W-40 Synthetic Diesel Oil
However I have read a lot about just going to Shell Rotella T6 5W40 CJ-4/SM vs CK-4

Which one are you using?
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