Engine oil VALVOLINE or AMSOIL

AMSOIL Engine oil

I decided to make the switch to Amsoil Signature Series because I see people switch to it and report no oil loss.

Pros: report no oil loss
Vehicle: Acura TL
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AMSOIL Engine oil
R32TEC
  • Engine noise:
Rating 5.0

I recently switched from Liqui Moly to Amsoil recently, my wife's Tiguan seems to run a little smoother and is noticeably quieter at idle with the 5-40 European car formula.

Pros: smoother run, quieter idle
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AMSOIL Engine oil

Amsoil is just an above average full synthetic oil. It's nothing magical. It has a higher than normal "Total Base Number", which is what allows it to go longer between changes without going acidic.

Pros: higher Total Base Number
Cons: nothing magical
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AMSOIL Engine oil

I use Amsoil 0w40 or Eneos 0w50 in mine. For sealing and shear resistance for metal to metal contact, thicker is better.

Pros: sealing and shear resistance
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