Well I've never seen Amsoil around here in Advance or Auto Zone, unless CarQuest or NAPA has it.
I might try the Super Tech on the wife's Grand Caravan since its on a hard lived 114,000 miles. But if Synthetic cleans it out like it's supposed to then I might be adding alot more oil alot more often in that case.
I guess I could try Mobil 1 once and check the oil every week and see how good it looks and if the oil retains well.
