5w-20

  1. Alkali

    5w-30 in a MDS hemi?

    Hi all, I've seen many people say good things about switching to 5w-30 oil in their hemi. However, I've also seen people say it will throw a code for incorrect oil viscosity. My question is, is it okay for me to run 5w-30 in my 2017 Hemi with MDS? I also own a 2006 2500 that takes 5w-30 and...
  2. PE7EY

    Pennzoil Ultra Platinum vs Platinum 5W-20 Oil Analysis

    For anyone interested, I found this Pennzoil oil analysis video which shows the additives that make up the difference between PP and PUP. After seeing the analysis, which would you choose for overall engine health, Hemi tick, etc? Can any experts or oil aficionados chime in if the additives...
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