quiet

  1. Rod Knock

    0W-40 in 5.7 HEMI and 6.4 HEMI

    How many of you guys are running Castrol EDGE Euro 0W-40 or Mobil 1 FS 0W-40 in your HEMI 5.7? And how many of you are running one of these two fine motor oils in your 6.4 HEMI. Please comment and spare no details. How do you like it, did any of the two quiet your engine, and for how many miles...
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