Recent content by Stewie1350

  1. S

    Amsoil 15w-40 at 5.2k mi; 6.0L PSD; 167k miles

    Is this the diesel oil or car oil im running amsoil sig series 5w30 and the additives in this oil is awesome.
  2. S

    First UOA for my 2013 F350 6.7l Powerstroke

    Guess im leaving rotella t6 for the amsoil max duty.
  3. S

    Old rotella t6 at an autozone store.

    Strange i keep seing the old formula everytime i go to autozone thats close to me.
  4. S

    Old rotella t6 at an autozone store.

    Is shell still making the old formula of rotella t6 cause i saw the old and new formula at an autozone store but know where else?
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